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TPL-C 69-C

Turbocharger · Turbochargers

Technical data from manufacturer or class sources · not yet verified by a person​‍​‍⁠‍‍‌​‍​⁠‍‍​​⁠‌‍​

The ABB Turbocharging TPL‑C 69‑C is a high‑capacity turbocharger designed for two‑stroke common‑rail marine diesel engines, delivering up to 55 MW of boost power with optimized efficiency and emissions performance.

Specifications

Technical data.reference — unverified

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Frame Size69-C
Power max (kW)55000
Inspection

Inspector Detail ✓ verified

Common issues

  • Compressor wheel fouling due to poor air filtration
  • Turbine blade erosion from high-temperature exhaust gases
  • Bearing wear and vibration caused by misalignment or imbalance
  • Overspeed protection system malfunction
  • Lubrication system contamination or leakage
  • Cooling system inefficiencies leading to overheating
  • Seal wear and leakage around the turbine and compressor

Inspection checklist

  • Visual inspection of compressor and turbine blades for damage or fouling
  • Check bearing temperatures and vibration levels
  • Verify proper lubrication system function and oil quality
  • Inspect cooling system performance and cleanliness
  • Check for signs of overheating or excessive wear on critical components
  • Verify overspeed protection system function and settings
  • Check for proper alignment and balance of rotating components
  • Inspect seal condition and replace as needed

Service intervals

routine_maintenanceevery 4000-8000 hours
major_overhaulevery 40000-60000 hours

Typical wear limits

compressor_blades10-20% of original blade height
turbine_blades5-15% of original blade height
bearings0.1-0.5 mm of radial clearance

Ranges are typical for this design class. Always confirm against the manufacturer documentation for your serial number.

Critical spares

  • Compressor and turbine blades
  • Bearings and seals
  • Lubrication system components (pumps, filters, etc.)
  • Cooling system components (heat exchangers, pumps, etc.)
  • Overspeed protection system components
  • Control system components (sensors, actuators, etc.)

Safety

  • High-temperature exhaust gases and potential fire hazards
  • Rotating equipment and entanglement hazards
  • Electrical shock from control system components
  • Compressed air and gas leak hazards

Class survey

Verify proper installation, maintenance, and operation of the turbocharger, including checks of compressor and turbine blades, bearings, and lubrication and cooling systems

Estimated lifetime: 60000-80000 hours

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