Turbocharger · Turbochargers
Marine engineers and operators rely on reliable exhaust gas and charge air systems to ensure the efficient operation of ship engines. Everllence’s TCR10, formerly part of MAN’s series, is a radial turbine designed to handle these critical functions. With a small frame, the TCR10 is often exchanged as a cartridge unit, simplifying maintenance and replacement processes. Common issues faced include compressor wheel fouling, bearing wear, oil leakage, and turbine housing fouling, all of which can be mitigated through regular servicing as per the manufacturer’s guidelines and classification society requirements. Annual inspections during class surveys are mandatory, and it is crucial to stock spare parts as specified by the manufacturer to ensure continuous operation and minimize downtime.
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What our service work and the manufacturer documentation say about keeping this model running.
Servicing per the manufacturer's manual and classification society requirements. Annual inspection at class survey. Stock spare parts as specified by the manufacturer.
| Daily/Watch | Visual check for leaks, abnormal noise/vibration, parameter monitoring |
|---|---|
| Every 250-500 hours | Air filter cleaning/replacement (depending on engine room environment) |
| Every 2000-4000 hours | Compressor washing (water/chemical) |
| Every 4000-8000 hours | Turbine washing (water/granules), inspection of nozzle ring and turbine blades (if accessible) |
| Every 8000-16000 hours | Bearing inspection/replacement, rotor dynamic balancing check, full internal cleaning |
| Every 16000-24000 hours | Major overhaul (rotor removal, full inspection, replacement of worn parts, dynamic balancing) |
| Annually | Class Survey inspection |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Bearings (Journal & Thrust) | Radial clearance: New 0.15-0.30 mm, Wear Limit +0.05 to +0.10 mm from new. Axial clearance: New 0.10-0.20 mm, Wear Limit +0.05 to +0.10 mm from new. No scoring, pitting, or discoloration on bearing surfaces. |
|---|---|
| Compressor Wheel | Blade tip clearance (radial): New 0.4-0.8 mm, Wear Limit +0.2 mm. No cracks, severe erosion, or bending of blades. No signs of rubbing on casing. |
| Turbine Wheel | Blade tip clearance (radial): New 0.5-1.0 mm, Wear Limit +0.3 mm. No cracks, severe erosion, or foreign object damage. No signs of rubbing on casing. |
| Shaft | Runout at bearing journals: Typically <0.02 mm. No scoring, pitting, or excessive wear on bearing surfaces. |
| Casing (Turbine/Compressor) | No cracks, severe erosion, or corrosion. Gasket surfaces clean and flat. No signs of internal rubbing. |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Class surveyor will typically review maintenance records, running hours, and previous survey reports. An external visual inspection for oil/exhaust gas leaks, security of mounting, and condition of insulation/guarding is standard. Operational parameters (boost pressure, exhaust gas temperatures, bearing temperatures) will be verified against normal values. The functionality of the overspeed trip device (if applicable and testable during survey) will be confirmed. Inspection of air filter condition and verification of spare parts availability as per maker's recommendations and class requirements are also key points. Overall cleanliness and accessibility for maintenance are assessed.
Estimated lifetime: 80,000 - 120,000 hours (with regular maintenance and major overhauls every 16,000-24,000 hours)
Small-frame TCR units are often exchanged as cartridges; verify OEM engine application before ordering.
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