ZLK 040
Sterling SIHI ZLK 040 — Cooling water pump - compact industrial design.
Components & Design
Component data being added…
Technical Data
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Common failures & inspection points
Inspect sealing surfaces for weeping or spray; verify seal cooling/quench system operational; check packing gland for proper compression and water drips
Check oil level in bearing reservoirs; inspect for water ingress or discoloration; verify oil ring/paddle wheel rotation; measure bearing temperature and noise signature
Monitor suction gauge readings; check inlet screens and strainers for blockage; inspect impeller for pitting/erosion patterns; verify NPSH requirements are met
Measure clearances between impeller and casing wear-rings with feeler gauge; inspect for erosion grooves; verify pressure test integrity; check for internal leakage indicators
Verify water cooling system flow and temperature differential across jacket; inspect for salt deposits or corrosion in cooling passages; flush cooling circuits if operation in seawater
Type-general inspection and maintenance points for this equipment category — not model-specific.
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