Turbocharger · Turbochargers
The TPS-D employs a sophisticated design to optimize exhaust gas and charge air handling in four-stroke diesel engines, thereby enhancing engine performance and efficiency. This device is part of Accelleron's TPS family, tailored specifically for integration with four-stroke engines. The TPS-D does not specify a particular turbine type, focusing instead on seamless compatibility with various engine models. Common issues encountered with the TPS-D include fouling of the compressor wheel and diffuser, oil seal leakage, bearing wear, and turbine blade erosion. Regular maintenance, particularly for bearing and seal kits, is crucial to prevent these failures. It is imperative to verify the exact frame size before ordering spare parts, as TPS variants are customized for specific engine models. Maintenance and service should strictly follow the guidelines set forth by Accelleron and the relevant classification society. Annual inspections during class surveys are mandatory to ensure continued operational reliability.
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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.
| Minor Inspection/Bearing Check | 8,000 - 12,000 running hours or annually |
|---|---|
| Major Overhaul (Rotor removal, cleaning, inspection) | 16,000 - 24,000 running hours |
| Bearing Replacement | 8,000 - 12,000 running hours |
| Rotor Balancing | During major overhaul or if excessive vibration is detected |
| Axial Bearing Play (new) | 0.15 - 0.30 mm |
|---|---|
| Axial Bearing Play (max allowed) | 0.60 - 0.80 mm |
| Radial Bearing Play (new) | 0.05 - 0.12 mm |
| Radial Bearing Play (max allowed) | 0.20 - 0.30 mm |
| Turbine Blade Erosion | No cracks, no more than 10-15% reduction in blade thickness (consult manual for specific limits). |
| Compressor Wheel | No cracks, no significant bending of blades, no deep scoring or foreign object damage. |
| Oil Consumption | Monitor for excessive consumption (e.g., >0.5 L/24h for a single unit), indicating seal wear. |
Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.
Class surveyors typically verify maintenance records (logbooks, service reports, spare parts inventory). They conduct a visual inspection for external leaks (oil, exhaust gas, cooling water), check for excessive vibration, and confirm the general condition and cleanliness of the unit. If the turbocharger has been opened for maintenance, the surveyor will verify the condition of internal components (bearings, rotor, casings) and proper reassembly, often requiring witness of bearing play measurements.
Estimated lifetime: 24,000 - 36,000 running hours before major overhaul/refurbishment of core components (rotor, casings), with proper intermediate maintenance.
Maintain bearing and seal kits; verify exact frame size before ordering because TPS variants are engine-specific.
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