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Mitsubishi MET

WB 33WB

Turbocharger · Turbochargers

Technical data from manufacturer or class sources · not yet verified by a person​‍​‍⁠‍⁠‍‍‌‌‍‍‍​​⁠‌‌​

The MET‑WB 33WB is a water‑cooled turbocharger from Mitsubishi MET designed for four‑stroke medium‑speed diesel engines up to about 8 MW, providing high pressure ratio and compact packaging.

Specifications

Technical data.reference — unverified

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Frame Size33WB
Power max (kW)8000
Inspection

Inspector Detail

Common issues

  • Turbocharger blade erosion due to fouling or foreign object damage
  • Bearing wear or failure from inadequate lubrication or misalignment
  • Compressor wheel or diffuser damage from surge or over-speed conditions
  • Seal failure from wear or improper installation
  • Lubrication system contamination or blockages
  • Inlet filter clogging or restriction
  • Turbocharger rotor imbalance or vibration

Inspection checklist

  • Visual inspection of turbocharger blades and compressor wheel for damage or wear
  • Check bearing condition and lubrication levels
  • Verify proper alignment and mounting of turbocharger
  • Inspect inlet and outlet ducting for restrictions or damage
  • Check compressor and turbine housing for signs of overheating or damage
  • Verify proper function of lubrication and cooling systems
  • Check for signs of oil or fuel leaks
  • Verify turbocharger performance and efficiency

Service intervals

routine_inspection1000-2000 hours
bearing_lubrication500-1000 hours
filter_replacement250-500 hours
major_overhaul20000-30000 hours

Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.

Typical wear limits

blade_tip_clearance1.5-2.5 mm
bearing_clearance0.05-0.15 mm
rotor_runout0.1-0.3 mm
shaft_seal_clearance0.5-1.5 mm

Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.

Critical spares

  • Turbocharger blades
  • Bearing sets
  • Seal kits
  • Compressor wheel
  • Turbine shaft
  • Lubrication system components

Safety

  • High-speed rotating components
  • Hot surfaces and exhaust gases
  • Oil or fuel leaks and potential fire hazards
  • Electrical shock from faulty wiring or components

Class survey

Class surveyor will typically check turbocharger performance, vibration levels, and condition of rotating components, as well as verify proper maintenance and record-keeping

Estimated lifetime: 25000-35000 hours

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