Turbocharger · Turbochargers
Radial turbine technology forms the core of Everllence's TCR16 model, which continues the legacy of MAN's TCR series. Designed to handle exhaust gas and charge air, this unit operates with precision in medium-duty applications. Common issues include surging due to fouled air paths or inappropriate operating conditions, along with bearing wear, compressor fouling, and turbine nozzle contamination. Proper maintenance involves adhering to manufacturer guidelines and classification society requirements; an annual inspection at class survey is recommended. For effective operation, use OEM-approved repair kits for critical components like the compressor or turbine wheel, ensuring they are balanced afterward. Stocking spare parts as specified by Everllence ensures minimal downtime in case of unexpected failures.
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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/Weekly | Visual inspection for leaks, abnormal noise/vibration, oil level check |
|---|---|
| Monthly/Quarterly | Air filter check/cleaning, oil sample analysis, water washing (if fitted) |
| 3,000 - 4,000 hours | Bearing inspection (visual, play check), detailed cleaning of compressor/turbine |
| 8,000 - 12,000 hours | Bearing replacement (cartridge), detailed inspection of rotor, nozzle ring, diffuser |
| 16,000 - 24,000 hours | Major overhaul (full disassembly, rotor balancing, replacement of wear parts, NDT checks) |
Typical intervals for this design class, not the manufacturer’s figures for your model. The manufacturer’s manual is binding.
| Axial bearing play | Max. 0.40 - 0.50 mm (new typically 0.15 - 0.30 mm) |
|---|---|
| Radial bearing play | Max. 0.20 - 0.25 mm (new typically 0.05 - 0.15 mm) |
| Compressor/Turbine blade tip clearance | Manufacturer specific, typically 0.3 - 0.6 mm, check for rubbing marks |
| Rotor imbalance | Vibration levels exceeding ISO 10816-3 Zone C (e.g., > 7.1 mm/s RMS for small machines) |
| Blade erosion/damage | Visible cracks, material loss > 10% of blade thickness, or significant leading/trailing edge damage |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Class surveyors typically verify the general condition, cleanliness, and security of the turbocharger mounting. They will check for any visible leaks (oil, exhaust gas, charge air) and the integrity of insulation. Documentation of maintenance, running hours, and previous inspection reports (especially bearing play checks and overhaul records) is crucial. Functionality of safety devices like overspeed trip and associated alarms will be checked. If opened for maintenance, the surveyor may request to witness bearing play measurements and visual inspection of rotor/casings.
Estimated lifetime: 16,000 - 24,000 hours before major overhaul (assuming regular maintenance and normal operating conditions)
Use OEM-approved repair kits; balance rotating assembly after compressor or turbine wheel replacement.
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