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MAN ES Turbocharging
NR-V NR24/V
MAN ES Turbocharging NR-V NR24/V — NR-V, 6500 kW max.
Inspector Detail
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Common issues
- Compressor wheel fouling due to dirty or salty air intake
- Turbine blade erosion from high-temperature exhaust gases
- Bearing wear and vibration caused by misalignment or imbalance
- Oil leakage from seals or gaskets
- Variable-geometry mechanism malfunction due to worn or damaged components
- Lack of proper cooling leading to overheating and reduced performance
Inspection checklist
- Compressor and turbine blade condition
- Bearing and seal condition
- Variable-geometry mechanism operation and adjustment
- Oil system condition and leakage
- Cooling system condition and performance
- Vibration and balance checks
- Exhaust gas temperature monitoring
- Compressor inlet and outlet pressure checks
Service intervals
| item | every 2000-4000 operating hours or as recommended by manufacturer |
Typical wear limits
| compressor_blades | 10-20% of original thickness |
| turbine_blades | 5-15% of original thickness |
| bearings | 0.1-0.5 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
- Bearing sets
- Seal kits
- Variable-geometry mechanism components
- Oil pumps and filters
- Cooling system components
Safety
- High-temperature exhaust gases and risk of fire
- Rotating components and risk of injury
- Oil leakage and risk of slip or fire
Class survey
Surveyor typically checks for proper installation, maintenance records, and compliance with manufacturer's recommendations and classification society rules
Estimated lifetime:
20000-40000 hours before major overhaul
Components & Design
Component data being added…
Technical Data
frame size
NR24/V
power max kw
6500
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Equipment Model #143147
· ✓ still in production