Axial Fan

• Area: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
  Check: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
• Area: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hour
  Check: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hours).
• Area: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
  Check: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
• Area: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epo
  Check: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epoxy) as needed.
• Area: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
  Check: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
• Area: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
  Check: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
• Area: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
  Check: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
• Area: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full
  Check: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full range without hunting or overload.

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
  Check: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
• Area: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hour
  Check: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hours).
• Area: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
  Check: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
• Area: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epo
  Check: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epoxy) as needed.
• Area: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
  Check: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
• Area: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
  Check: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
• Area: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
  Check: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
• Area: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full
  Check: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full range without hunting or overload.

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
  Check: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
• Area: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hour
  Check: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hours).
• Area: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
  Check: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
• Area: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epo
  Check: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epoxy) as needed.
• Area: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
  Check: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
• Area: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
  Check: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
• Area: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
  Check: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
• Area: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full
  Check: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full range without hunting or overload.

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
  Check: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
• Area: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hour
  Check: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hours).
• Area: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
  Check: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
• Area: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epo
  Check: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epoxy) as needed.
• Area: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
  Check: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
• Area: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
  Check: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
• Area: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
  Check: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
• Area: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full
  Check: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full range without hunting or overload.

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
  Check: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
• Area: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hour
  Check: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hours).
• Area: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
  Check: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
• Area: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epo
  Check: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epoxy) as needed.
• Area: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
  Check: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
• Area: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
  Check: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
• Area: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
  Check: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
• Area: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full
  Check: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full range without hunting or overload.

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
  Check: Inspect impeller blades for corrosion, erosion, or mechanical damage; re-balance dynamically if any material loss or deformation is detected.
• Area: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hour
  Check: Check motor bearings for abnormal noise, vibration, and temperature; lubricate or replace per manufacturer intervals (typically every 2,000–4,000 operating hours).
• Area: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
  Check: Verify motor insulation resistance (megger test) and check terminal connections for tightness and absence of moisture ingress.
• Area: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epo
  Check: Inspect casing, flanges, and mounting bolts for corrosion, cracks, or loosening; re-torque fasteners and touch up protective coating (hot-dip galvanizing or epoxy) as needed.
• Area: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
  Check: Check shaft seals and labyrinth rings for wear; ensure no ingress of seawater or condensate into the motor housing.
• Area: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
  Check: Test ATEX integrity on explosion-proof variants: verify flame-proof enclosure gaps, cable gland integrity, and earth bonding continuity.
• Area: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
  Check: Clean air inlet and outlet screens/grilles; remove accumulated dust, salt deposits, and biological fouling to prevent reduced airflow and overheating.
• Area: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full
  Check: Functional test under load: verify airflow direction, measure current draw against nameplate rating, and confirm speed control (if fitted) operates across full range without hunting or overload.

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Impeller blade cracking
• Motor bearing failure
• Vibration from imbalance
• Blade pitch mechanism failure

• Area: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for
  Check: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for adjustable-pitch types)
• Area: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
  Check: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
• Area: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHG
  Check: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHGP/HHGC types)
• Area: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check alum
  Check: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check aluminium alloy impeller for cracks or deformation
• Area: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibrat
  Check: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibration mounts are intact
• Area: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
  Check: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
• Area: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
  Check: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
• Area: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for revers
  Check: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for reverse rotation capability (ZerAx) if emergency smoke mode is required

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for
  Check: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for adjustable-pitch types)
• Area: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
  Check: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
• Area: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHG
  Check: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHGP/HHGC types)
• Area: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check alum
  Check: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check aluminium alloy impeller for cracks or deformation
• Area: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibrat
  Check: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibration mounts are intact
• Area: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
  Check: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
• Area: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
  Check: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
• Area: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for revers
  Check: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for reverse rotation capability (ZerAx) if emergency smoke mode is required

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for
  Check: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for adjustable-pitch types)
• Area: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
  Check: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
• Area: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHG
  Check: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHGP/HHGC types)
• Area: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check alum
  Check: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check aluminium alloy impeller for cracks or deformation
• Area: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibrat
  Check: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibration mounts are intact
• Area: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
  Check: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
• Area: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
  Check: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
• Area: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for revers
  Check: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for reverse rotation capability (ZerAx) if emergency smoke mode is required

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for
  Check: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for adjustable-pitch types)
• Area: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
  Check: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
• Area: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHG
  Check: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHGP/HHGC types)
• Area: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check alum
  Check: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check aluminium alloy impeller for cracks or deformation
• Area: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibrat
  Check: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibration mounts are intact
• Area: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
  Check: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
• Area: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
  Check: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
• Area: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for revers
  Check: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for reverse rotation capability (ZerAx) if emergency smoke mode is required

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for
  Check: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for adjustable-pitch types)
• Area: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
  Check: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
• Area: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHG
  Check: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHGP/HHGC types)
• Area: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check alum
  Check: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check aluminium alloy impeller for cracks or deformation
• Area: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibrat
  Check: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibration mounts are intact
• Area: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
  Check: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
• Area: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
  Check: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
• Area: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for revers
  Check: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for reverse rotation capability (ZerAx) if emergency smoke mode is required

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for
  Check: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for adjustable-pitch types)
• Area: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
  Check: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
• Area: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHG
  Check: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHGP/HHGC types)
• Area: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check alum
  Check: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check aluminium alloy impeller for cracks or deformation
• Area: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibrat
  Check: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibration mounts are intact
• Area: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
  Check: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
• Area: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
  Check: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
• Area: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for revers
  Check: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for reverse rotation capability (ZerAx) if emergency smoke mode is required

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for
  Check: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for adjustable-pitch types)
• Area: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
  Check: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
• Area: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHG
  Check: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHGP/HHGC types)
• Area: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check alum
  Check: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check aluminium alloy impeller for cracks or deformation
• Area: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibrat
  Check: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibration mounts are intact
• Area: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
  Check: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
• Area: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
  Check: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
• Area: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for revers
  Check: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for reverse rotation capability (ZerAx) if emergency smoke mode is required

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for
  Check: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for adjustable-pitch types)
• Area: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
  Check: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
• Area: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHG
  Check: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHGP/HHGC types)
• Area: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check alum
  Check: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check aluminium alloy impeller for cracks or deformation
• Area: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibrat
  Check: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibration mounts are intact
• Area: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
  Check: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
• Area: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
  Check: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
• Area: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for revers
  Check: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for reverse rotation capability (ZerAx) if emergency smoke mode is required

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for
  Check: Impeller blade condition: check for corrosion, erosion, pitting, or mechanical damage to aluminium alloy blades; verify blade pitch setting has not shifted (for adjustable-pitch types)
• Area: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
  Check: Bearing inspection: lubrication level and condition, bearing temperature under load, check for unusual noise or vibration indicating wear
• Area: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHG
  Check: Motor condition: insulation resistance (Megger test), winding temperature, terminal connections for tightness and corrosion, flameproof enclosure integrity (HHGP/HHGC types)
• Area: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check alum
  Check: Non-sparking integrity (hazardous-area fans HHGP/HHGC): verify running clearance between impeller and casing, confirm no metal-to-metal contact risk, check aluminium alloy impeller for cracks or deformation
• Area: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibrat
  Check: Casing and ductwork: inspect for corrosion (especially 10 mm marine-grade casings), check flexible connections and gaskets for deterioration, verify anti-vibration mounts are intact
• Area: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
  Check: Guide vanes and diffuser: inspect for fouling, scale build-up, or structural damage; clean as required to maintain aerodynamic performance
• Area: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
  Check: Drive arrangement: check motor-to-shaft coupling alignment, tighten any loose fasteners, inspect for oil or grease ingress into the airstream
• Area: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for revers
  Check: Performance check: measure actual airflow against design duty (anemometer or Pitot tube), verify motor current draw is within nameplate rating, check for reverse rotation capability (ZerAx) if emergency smoke mode is required

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
  Check: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
• Area: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
  Check: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
• Area: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integri
  Check: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integrity
• Area: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
  Check: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
• Area: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
  Check: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
• Area: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
  Check: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
• Area: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
  Check: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
• Area: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones
  Check: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
  Check: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
• Area: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
  Check: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
• Area: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integri
  Check: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integrity
• Area: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
  Check: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
• Area: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
  Check: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
• Area: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
  Check: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
• Area: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
  Check: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
• Area: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones
  Check: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
  Check: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
• Area: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
  Check: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
• Area: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integri
  Check: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integrity
• Area: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
  Check: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
• Area: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
  Check: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
• Area: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
  Check: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
• Area: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
  Check: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
• Area: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones
  Check: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
  Check: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
• Area: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
  Check: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
• Area: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integri
  Check: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integrity
• Area: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
  Check: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
• Area: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
  Check: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
• Area: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
  Check: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
• Area: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
  Check: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
• Area: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones
  Check: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
  Check: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
• Area: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
  Check: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
• Area: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integri
  Check: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integrity
• Area: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
  Check: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
• Area: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
  Check: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
• Area: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
  Check: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
• Area: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
  Check: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
• Area: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones
  Check: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
  Check: Inspect impeller blades for corrosion, erosion, cracks, and fouling deposits; verify variable pitch angle setting matches design specification
• Area: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
  Check: Check motor bearings for unusual noise, vibration, and temperature; re-lubricate or replace per manufacturer schedule
• Area: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integri
  Check: Inspect casing, frame, and bolted joints for corrosion pitting, especially in way of salt-water spray zones; verify anti-corrosion coating (C5M / SS316) integrity
• Area: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
  Check: Verify motor insulation resistance (megger test) and check IP55 seal condition on cable glands and terminal box
• Area: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
  Check: Confirm airflow volume and direction (check for reversed impeller rotation or blade pitch drift); compare against commissioning baseline
• Area: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
  Check: Inspect and clean drainage holes and condensate paths within the casing to prevent water accumulation
• Area: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
  Check: Check vibration levels against ISO 14694 limits; inspect anti-vibration mounts for deterioration or fatigue
• Area: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones
  Check: Test any ATEX certification label, earthing continuity, and explosion-proof enclosure integrity where fitted in hazardous zones

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
  Check: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
• Area: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
  Check: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
• Area: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
  Check: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
• Area: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
  Check: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
• Area: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
  Check: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
• Area: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
  Check: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
• Area: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
  Check: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
• Area: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hul
  Check: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hull structure

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
  Check: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
• Area: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
  Check: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
• Area: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
  Check: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
• Area: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
  Check: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
• Area: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
  Check: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
• Area: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
  Check: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
• Area: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
  Check: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
• Area: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hul
  Check: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hull structure

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
  Check: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
• Area: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
  Check: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
• Area: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
  Check: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
• Area: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
  Check: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
• Area: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
  Check: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
• Area: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
  Check: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
• Area: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
  Check: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
• Area: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hul
  Check: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hull structure

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
  Check: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
• Area: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
  Check: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
• Area: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
  Check: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
• Area: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
  Check: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
• Area: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
  Check: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
• Area: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
  Check: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
• Area: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
  Check: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
• Area: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hul
  Check: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hull structure

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
  Check: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
• Area: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
  Check: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
• Area: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
  Check: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
• Area: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
  Check: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
• Area: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
  Check: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
• Area: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
  Check: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
• Area: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
  Check: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
• Area: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hul
  Check: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hull structure

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
  Check: Visually inspect the impeller (fan blade) for cracks, chips, erosion, or deposits; replace if any blade damage is found to avoid imbalance and vibration
• Area: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
  Check: Check motor bearings for abnormal noise (grinding, squealing) and excessive vibration; lubricate sealed bearings per manufacturer schedule or replace if worn
• Area: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
  Check: Verify motor electrical connections and cable insulation for corrosion, moisture ingress, and tightness, especially in the salt-air marine environment
• Area: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
  Check: Test motor insulation resistance (megger test) periodically to detect winding degradation caused by humidity and salt contamination
• Area: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
  Check: Inspect casing (painted steel for VE, stainless steel for VEX) for corrosion, paint blistering, mechanical damage, and integrity of all fixing bolts and clamps
• Area: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
  Check: Check and clean protective safety guard (impeller-side protection net) to ensure it is unobstructed and securely fastened; blocked guards restrict airflow
• Area: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
  Check: Verify ATEX certification integrity on VE-ex/VEX-ex models: inspect flameproof enclosures for damage, check that all cable glands and seals are rated and intact
• Area: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hul
  Check: Confirm anti-vibration mounts (ANV ring) and duct connections (QT fitting) are not cracked or deformed, and that no abnormal vibration is transmitted to the hull structure

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade p
  Check: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade pitch angle matches commissioning setting
• Area: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal
  Check: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal box seals are intact
• Area: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural in
  Check: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural integrity of 6mm plate casing
• Area: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurem
  Check: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurements
• Area: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
  Check: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
• Area: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check
  Check: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check Ex labelling and certificate validity
• Area: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and preven
  Check: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and prevent vibration
• Area: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links a
  Check: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links and fire detection interfaces are within service life

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade p
  Check: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade pitch angle matches commissioning setting
• Area: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal
  Check: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal box seals are intact
• Area: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural in
  Check: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural integrity of 6mm plate casing
• Area: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurem
  Check: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurements
• Area: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
  Check: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
• Area: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check
  Check: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check Ex labelling and certificate validity
• Area: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and preven
  Check: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and prevent vibration
• Area: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links a
  Check: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links and fire detection interfaces are within service life

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade p
  Check: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade pitch angle matches commissioning setting
• Area: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal
  Check: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal box seals are intact
• Area: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural in
  Check: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural integrity of 6mm plate casing
• Area: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurem
  Check: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurements
• Area: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
  Check: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
• Area: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check
  Check: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check Ex labelling and certificate validity
• Area: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and preven
  Check: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and prevent vibration
• Area: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links a
  Check: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links and fire detection interfaces are within service life

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade p
  Check: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade pitch angle matches commissioning setting
• Area: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal
  Check: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal box seals are intact
• Area: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural in
  Check: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural integrity of 6mm plate casing
• Area: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurem
  Check: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurements
• Area: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
  Check: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
• Area: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check
  Check: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check Ex labelling and certificate validity
• Area: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and preven
  Check: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and prevent vibration
• Area: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links a
  Check: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links and fire detection interfaces are within service life

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade p
  Check: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade pitch angle matches commissioning setting
• Area: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal
  Check: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal box seals are intact
• Area: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural in
  Check: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural integrity of 6mm plate casing
• Area: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurem
  Check: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurements
• Area: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
  Check: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
• Area: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check
  Check: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check Ex labelling and certificate validity
• Area: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and preven
  Check: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and prevent vibration
• Area: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links a
  Check: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links and fire detection interfaces are within service life

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade p
  Check: Inspect impeller blades for corrosion, erosion, cracks, or salt-induced pitting — marine environments accelerate aluminium and steel degradation; verify blade pitch angle matches commissioning setting
• Area: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal
  Check: Check motor insulation resistance and IP55/IP56 integrity: test with a megohmmeter, inspect motor housing for moisture ingress, verify cable glands and terminal box seals are intact
• Area: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural in
  Check: Examine casing and inlet/outlet flanges for corrosion, paint delamination (verify C5-M coating condition per ISO 12944 for marine atmospheres) and structural integrity of 6mm plate casing
• Area: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurem
  Check: Inspect anti-vibration mounts and foundation bolts for looseness, corrosion, or rubber degradation — verify vibration levels against ISO 14694 baseline measurements
• Area: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
  Check: Check belt drives or direct couplings (where applicable): inspect for belt wear, tension, and alignment; verify coupling flexible elements are undamaged
• Area: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check
  Check: Test ATEX certification integrity if fitted: verify earthing continuity, confirm no unapproved modifications have been made to hazardous-area components, check Ex labelling and certificate validity
• Area: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and preven
  Check: Inspect casing access hatch operation, door seals, and internal surfaces for fouling or salt build-up — clean impeller to restore aerodynamic balance and prevent vibration
• Area: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links a
  Check: Verify fire-rated variants (HT/high-temperature): confirm thermal fuse/fusible link condition, test damper actuator response, and check that all fusible links and fire detection interfaces are within service life

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
  Check: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
• Area: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
  Check: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
• Area: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
  Check: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
• Area: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at
  Check: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at joints
• Area: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact a
  Check: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact and uncompressed
• Area: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); che
  Check: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); check cable glands for tightness
• Area: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or we
  Check: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or wear indicator
• Area: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restar
  Check: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restarting in service

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
  Check: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
• Area: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
  Check: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
• Area: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
  Check: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
• Area: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at
  Check: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at joints
• Area: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact a
  Check: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact and uncompressed
• Area: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); che
  Check: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); check cable glands for tightness
• Area: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or we
  Check: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or wear indicator
• Area: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restar
  Check: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restarting in service

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
  Check: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
• Area: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
  Check: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
• Area: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
  Check: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
• Area: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at
  Check: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at joints
• Area: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact a
  Check: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact and uncompressed
• Area: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); che
  Check: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); check cable glands for tightness
• Area: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or we
  Check: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or wear indicator
• Area: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restar
  Check: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restarting in service

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
  Check: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
• Area: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
  Check: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
• Area: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
  Check: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
• Area: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at
  Check: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at joints
• Area: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact a
  Check: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact and uncompressed
• Area: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); che
  Check: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); check cable glands for tightness
• Area: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or we
  Check: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or wear indicator
• Area: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restar
  Check: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restarting in service

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
  Check: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
• Area: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
  Check: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
• Area: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
  Check: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
• Area: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at
  Check: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at joints
• Area: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact a
  Check: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact and uncompressed
• Area: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); che
  Check: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); check cable glands for tightness
• Area: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or we
  Check: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or wear indicator
• Area: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restar
  Check: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restarting in service

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
  Check: Inspect impeller blades for corrosion, erosion, pitting, and surface fouling caused by salt-laden marine air; clean and treat as needed
• Area: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
  Check: Check blade pitch angle (on adjustable-pitch models) and torque fasteners to manufacturer specification; verify no blade looseness or vibration signatures
• Area: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
  Check: Inspect all bearing housings for grease contamination, abnormal wear, overheating marks, and moisture ingress; re-grease or replace per maintenance schedule
• Area: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at
  Check: Verify integrity of hot-dip galvanized drum casing and stainless steel fasteners (A2/A4); look for rust bleed, delamination of coating, or crevice corrosion at joints
• Area: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact a
  Check: Test swing-out mechanism (where fitted): confirm pivot hinges move freely, locking latches engage positively, and sealing gaskets on the duct joint are intact and uncompressed
• Area: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); che
  Check: Inspect motor insulation resistance (Megger test) and terminal box sealing (IP rating integrity), especially critical for ATEX-certified units (Exd IIC T4); check cable glands for tightness
• Area: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or we
  Check: Measure and record vibration levels at bearing housings against ISO 14694 / ISO 1940 baseline; investigate any step-change increase as potential imbalance or wear indicator
• Area: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restar
  Check: Verify correct rotation direction after any electrical maintenance; confirm airflow direction matches the designed supply or exhaust configuration before restarting in service

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, fouling (salt deposits, biological growth) and mechanical damage; check blade pitch if adjustable
  Check: Inspect impeller blades for corrosion, erosion, fouling (salt deposits, biological growth) and mechanical damage; check blade pitch if adjustable
• Area: Check motor insulation resistance (megger test) and winding condition; verify dual impregnation integrity and insulation class F rating
  Check: Check motor insulation resistance (megger test) and winding condition; verify dual impregnation integrity and insulation class F rating
• Area: Verify bearing condition (noise, vibration, temperature); lubricate or replace rolling-element bearings per manufacturer intervals
  Check: Verify bearing condition (noise, vibration, temperature); lubricate or replace rolling-element bearings per manufacturer intervals
• Area: Inspect housing and flanges for corrosion, cracks, and integrity of protective coating (epoxy, galvanising or anodising as applicable)
  Check: Inspect housing and flanges for corrosion, cracks, and integrity of protective coating (epoxy, galvanising or anodising as applicable)
• Area: Check shaft seal / shaft gland condition and IP55 enclosure integrity; inspect cable glands and terminal box for moisture ingress
  Check: Check shaft seal / shaft gland condition and IP55 enclosure integrity; inspect cable glands and terminal box for moisture ingress
• Area: Test motor current draw under load and compare with nameplate rating; check for overheating or unusual vibration/noise indicating imbalance
  Check: Test motor current draw under load and compare with nameplate rating; check for overheating or unusual vibration/noise indicating imbalance
• Area: Verify proper operation of safety accessories: fire/smoke dampers, thermostats, speed controllers, and remote start/stop circuits
  Check: Verify proper operation of safety accessories: fire/smoke dampers, thermostats, speed controllers, and remote start/stop circuits
• Area: Confirm classification-society approval documentation (BV / DNV certificate) is current and that any spare-parts or modifications are approved
  Check: Confirm classification-society approval documentation (BV / DNV certificate) is current and that any spare-parts or modifications are approved

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, fouling (salt deposits, biological growth) and mechanical damage; check blade pitch if adjustable
  Check: Inspect impeller blades for corrosion, erosion, fouling (salt deposits, biological growth) and mechanical damage; check blade pitch if adjustable
• Area: Check motor insulation resistance (megger test) and winding condition; verify dual impregnation integrity and insulation class F rating
  Check: Check motor insulation resistance (megger test) and winding condition; verify dual impregnation integrity and insulation class F rating
• Area: Verify bearing condition (noise, vibration, temperature); lubricate or replace rolling-element bearings per manufacturer intervals
  Check: Verify bearing condition (noise, vibration, temperature); lubricate or replace rolling-element bearings per manufacturer intervals
• Area: Inspect housing and flanges for corrosion, cracks, and integrity of protective coating (epoxy, galvanising or anodising as applicable)
  Check: Inspect housing and flanges for corrosion, cracks, and integrity of protective coating (epoxy, galvanising or anodising as applicable)
• Area: Check shaft seal / shaft gland condition and IP55 enclosure integrity; inspect cable glands and terminal box for moisture ingress
  Check: Check shaft seal / shaft gland condition and IP55 enclosure integrity; inspect cable glands and terminal box for moisture ingress
• Area: Test motor current draw under load and compare with nameplate rating; check for overheating or unusual vibration/noise indicating imbalance
  Check: Test motor current draw under load and compare with nameplate rating; check for overheating or unusual vibration/noise indicating imbalance
• Area: Verify proper operation of safety accessories: fire/smoke dampers, thermostats, speed controllers, and remote start/stop circuits
  Check: Verify proper operation of safety accessories: fire/smoke dampers, thermostats, speed controllers, and remote start/stop circuits
• Area: Confirm classification-society approval documentation (BV / DNV certificate) is current and that any spare-parts or modifications are approved
  Check: Confirm classification-society approval documentation (BV / DNV certificate) is current and that any spare-parts or modifications are approved

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, fouling (salt deposits, biological growth) and mechanical damage; check blade pitch if adjustable
  Check: Inspect impeller blades for corrosion, erosion, fouling (salt deposits, biological growth) and mechanical damage; check blade pitch if adjustable
• Area: Check motor insulation resistance (megger test) and winding condition; verify dual impregnation integrity and insulation class F rating
  Check: Check motor insulation resistance (megger test) and winding condition; verify dual impregnation integrity and insulation class F rating
• Area: Verify bearing condition (noise, vibration, temperature); lubricate or replace rolling-element bearings per manufacturer intervals
  Check: Verify bearing condition (noise, vibration, temperature); lubricate or replace rolling-element bearings per manufacturer intervals
• Area: Inspect housing and flanges for corrosion, cracks, and integrity of protective coating (epoxy, galvanising or anodising as applicable)
  Check: Inspect housing and flanges for corrosion, cracks, and integrity of protective coating (epoxy, galvanising or anodising as applicable)
• Area: Check shaft seal / shaft gland condition and IP55 enclosure integrity; inspect cable glands and terminal box for moisture ingress
  Check: Check shaft seal / shaft gland condition and IP55 enclosure integrity; inspect cable glands and terminal box for moisture ingress
• Area: Test motor current draw under load and compare with nameplate rating; check for overheating or unusual vibration/noise indicating imbalance
  Check: Test motor current draw under load and compare with nameplate rating; check for overheating or unusual vibration/noise indicating imbalance
• Area: Verify proper operation of safety accessories: fire/smoke dampers, thermostats, speed controllers, and remote start/stop circuits
  Check: Verify proper operation of safety accessories: fire/smoke dampers, thermostats, speed controllers, and remote start/stop circuits
• Area: Confirm classification-society approval documentation (BV / DNV certificate) is current and that any spare-parts or modifications are approved
  Check: Confirm classification-society approval documentation (BV / DNV certificate) is current and that any spare-parts or modifications are approved

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, fouling (salt deposits, biological growth) and mechanical damage; check blade pitch if adjustable
  Check: Inspect impeller blades for corrosion, erosion, fouling (salt deposits, biological growth) and mechanical damage; check blade pitch if adjustable
• Area: Check motor insulation resistance (megger test) and winding condition; verify dual impregnation integrity and insulation class F rating
  Check: Check motor insulation resistance (megger test) and winding condition; verify dual impregnation integrity and insulation class F rating
• Area: Verify bearing condition (noise, vibration, temperature); lubricate or replace rolling-element bearings per manufacturer intervals
  Check: Verify bearing condition (noise, vibration, temperature); lubricate or replace rolling-element bearings per manufacturer intervals
• Area: Inspect housing and flanges for corrosion, cracks, and integrity of protective coating (epoxy, galvanising or anodising as applicable)
  Check: Inspect housing and flanges for corrosion, cracks, and integrity of protective coating (epoxy, galvanising or anodising as applicable)
• Area: Check shaft seal / shaft gland condition and IP55 enclosure integrity; inspect cable glands and terminal box for moisture ingress
  Check: Check shaft seal / shaft gland condition and IP55 enclosure integrity; inspect cable glands and terminal box for moisture ingress
• Area: Test motor current draw under load and compare with nameplate rating; check for overheating or unusual vibration/noise indicating imbalance
  Check: Test motor current draw under load and compare with nameplate rating; check for overheating or unusual vibration/noise indicating imbalance
• Area: Verify proper operation of safety accessories: fire/smoke dampers, thermostats, speed controllers, and remote start/stop circuits
  Check: Verify proper operation of safety accessories: fire/smoke dampers, thermostats, speed controllers, and remote start/stop circuits
• Area: Confirm classification-society approval documentation (BV / DNV certificate) is current and that any spare-parts or modifications are approved
  Check: Confirm classification-society approval documentation (BV / DNV certificate) is current and that any spare-parts or modifications are approved

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, and fouling buildup; verify bronze impeller integrity
  Check: Inspect impeller blades for corrosion, erosion, cracks, and fouling buildup; verify bronze impeller integrity
• Area: Check motor insulation resistance and windings for moisture ingress or salt contamination; verify IP rating compliance
  Check: Check motor insulation resistance and windings for moisture ingress or salt contamination; verify IP rating compliance
• Area: Inspect and clean motor-side protection grid for blockages, deformation, or corrosion
  Check: Inspect and clean motor-side protection grid for blockages, deformation, or corrosion
• Area: Verify vibration damping ring condition; check for deterioration, hardening, or mechanical looseness in mountings
  Check: Verify vibration damping ring condition; check for deterioration, hardening, or mechanical looseness in mountings
• Area: Measure actual airflow output and compare against rated capacity; check for performance degradation
  Check: Measure actual airflow output and compare against rated capacity; check for performance degradation
• Area: Inspect bearing condition for noise, play, and lubrication; replace per manufacturer interval
  Check: Inspect bearing condition for noise, play, and lubrication; replace per manufacturer interval
• Area: Check electrical connections, cable glands, and terminal blocks for corrosion, chafing, and watertight integrity
  Check: Check electrical connections, cable glands, and terminal blocks for corrosion, chafing, and watertight integrity
• Area: Verify flux orientation (suction vs. discharge direction) is correct as specified at order and matches installation requirement
  Check: Verify flux orientation (suction vs. discharge direction) is correct as specified at order and matches installation requirement

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Inspect impeller blades for corrosion, erosion, cracks, and fouling buildup; verify bronze impeller integrity
  Check: Inspect impeller blades for corrosion, erosion, cracks, and fouling buildup; verify bronze impeller integrity
• Area: Check motor insulation resistance and windings for moisture ingress or salt contamination; verify IP rating compliance
  Check: Check motor insulation resistance and windings for moisture ingress or salt contamination; verify IP rating compliance
• Area: Inspect and clean motor-side protection grid for blockages, deformation, or corrosion
  Check: Inspect and clean motor-side protection grid for blockages, deformation, or corrosion
• Area: Verify vibration damping ring condition; check for deterioration, hardening, or mechanical looseness in mountings
  Check: Verify vibration damping ring condition; check for deterioration, hardening, or mechanical looseness in mountings
• Area: Measure actual airflow output and compare against rated capacity; check for performance degradation
  Check: Measure actual airflow output and compare against rated capacity; check for performance degradation
• Area: Inspect bearing condition for noise, play, and lubrication; replace per manufacturer interval
  Check: Inspect bearing condition for noise, play, and lubrication; replace per manufacturer interval
• Area: Check electrical connections, cable glands, and terminal blocks for corrosion, chafing, and watertight integrity
  Check: Check electrical connections, cable glands, and terminal blocks for corrosion, chafing, and watertight integrity
• Area: Verify flux orientation (suction vs. discharge direction) is correct as specified at order and matches installation requirement
  Check: Verify flux orientation (suction vs. discharge direction) is correct as specified at order and matches installation requirement

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).

• Area: Impeller condition: inspect cast aluminium impeller blades for corrosion, erosion, deposits, and mechanical damage; check blade angle and balance
  Check: Impeller condition: inspect cast aluminium impeller blades for corrosion, erosion, deposits, and mechanical damage; check blade angle and balance
• Area: Motor and bearings: check Class F motor insulation resistance (Megger test), bearing condition (temperature, vibration, noise), and IP55 seal integrity
  Check: Motor and bearings: check Class F motor insulation resistance (Megger test), bearing condition (temperature, vibration, noise), and IP55 seal integrity
• Area: Casing and corrosion protection: inspect hot-dip galvanised sheet steel casing for corrosion breakthrough, paint delamination, or mechanical damage; re-treat as
  Check: Casing and corrosion protection: inspect hot-dip galvanised sheet steel casing for corrosion breakthrough, paint delamination, or mechanical damage; re-treat as required
• Area: Inspection hatch: verify hatch seal and locking mechanism are intact and watertight; check hinge and fastener condition
  Check: Inspection hatch: verify hatch seal and locking mechanism are intact and watertight; check hinge and fastener condition
• Area: Electrical connections and terminals: inspect terminal box for moisture ingress, verify cable gland integrity, check connection tightness and insulation
  Check: Electrical connections and terminals: inspect terminal box for moisture ingress, verify cable gland integrity, check connection tightness and insulation
• Area: Vibration and noise levels: measure vibration amplitude and compare to baseline; unusual noise may indicate bearing wear, imbalance, or loose fasteners
  Check: Vibration and noise levels: measure vibration amplitude and compare to baseline; unusual noise may indicate bearing wear, imbalance, or loose fasteners
• Area: Airflow performance: verify actual airflow (m3/h) against commissioning values using a flow measurement instrument; excessive deviation indicates fouling or mec
  Check: Airflow performance: verify actual airflow (m3/h) against commissioning values using a flow measurement instrument; excessive deviation indicates fouling or mechanical fault
• Area: Lubrication: check and replenish bearing grease per manufacturer schedule; verify lubricant type is compatible with marine environment and operating temperature
  Check: Lubrication: check and replenish bearing grease per manufacturer schedule; verify lubricant type is compatible with marine environment and operating temperature range

Typ-universelle Inspektionspunkte fuer Ventilation (verifiziert, 2026-06).