Turbocharger · Turbochargers
The Napier (Wabtec) TPS44 is a high‑efficiency turbocharger built for four‑stroke medium‑speed marine diesel engines up to roughly 4 500 kW, offering a compact TPS frame and robust bearing design.
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| routine_inspection | 1000-2000 hours |
|---|---|
| major_overhaul | 20000-30000 hours |
| bearing_replacement | 10000-15000 hours |
| compressor_wheel | 10-15% reduction in diameter |
|---|---|
| turbine_blades | 5-10% reduction in length |
| bearings | 0.1-0.5 mm increase in clearance |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Class surveyor typically checks turbocharger performance, compressor and turbine blade condition, bearing condition, and control system functionality to ensure compliance with regulatory requirements and manufacturer's recommendations
Estimated lifetime: 40000-60000 hours
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