ABB HT841995 Operation Manual page 85

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Troubleshooting
Malfunctions during operation
Charge-air pressure too high
Engine performance and engine speed unchanged, suction condition
normal
Possible causes
Engine Malfunction in the injection
system
Injection misaligned
Engine performance higher than
expected
Turbo- Manometer display defective
charger
Fouling of the compressor due to the feeding in of ventilation gases
Reduced compressor performance/efficiency, hence engine performance
losses
Possible causes
Turbo- Heavy fouling of the compressor
charger components
Increased vibrations, compressor
blade damage
Reduced fatigue strength of the compressor wheel, compressor blade
failure.
Possible causes
Turbo- Material of compressor wheel
charger corroded
Operation Manual / TPS48-D/E.. - TPS61-D/E..
6
6.3
Remedy
Repair or contact manufacturer
Set correctly
Check engine performance
Replace manometer
Remedy
Clean compressor
Optimize oil separation
Correct the feed of ventilation
gases according to instructions
of enginebuilder.
Remedy
Check the fuel and its corrosive
components, and change fuel if
necessary.
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