Turbocharger · Turbochargers
The Napier TPS‑D (TPS44‑D) is a high‑capacity turbocharger designed for large 4‑stroke marine diesel engines to meet IMO Tier II emission standards.
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| major_overhaul | 25000 to 30000 hours |
|---|---|
| bearing_replacement | 10000 to 15000 hours |
| seal_replacement | 5000 to 10000 hours |
| control_system_calibration | 1000 to 5000 hours |
| blade_tip_clearance | 1.5 to 2.5 mm |
|---|---|
| bearing_clearance | 0.05 to 0.15 mm |
| seal_wear | 0.5 to 1.5 mm |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
The class surveyor will typically check the turbocharger's performance, vibration levels, and condition of components, as well as verify compliance with regulatory requirements and manufacturer's recommendations
Estimated lifetime: 40000 to 50000 hours
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