Malfunctions When Stopping - ABB TPS44-F Series Operation Manual

Operation Manual / TPS44-F.. - TPS61-F..
6 Troubleshooting / 6.4 Malfunctions when stopping

6.4 Malfunctions when stopping

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Contamination of the compressor due to the feeding in of
ventilation gases
Reduced compressor performance / efficiency and therefore engine per-
formance losses
Possible causes
Turbochar- Heavily contaminated com-
ger pressor components
Increased vibration, compressor
blade damage
Reduced fatigue strength of the compressor wheel, compressor blade
breakage.
Possible causes
Turbochar- Corroded compressor wheel
ger material
Noises during run-down
Possible causes
Turbochar- Turbocharger contaminated
ger
Damaged bearing
Rubbing rotor
Foreign object in turbocharger
Run-down time too short
Possible causes
Turbochar- Turbocharger contaminated
ger
Damaged bearing
Rubbing rotor
Foreign object in turbocharger
HZTL2412_EN
Elimination
Clean the compressor
Optimise oil separation
Correct the feed of ventilation
gases according to instructions
of enginebuilder.
Elimination
Check fuel and its corrosive con-
stituents and, if necessary,
change fuel.
Elimination
Clean it
Contact an ABB Turbocharging
Service Station
Elimination
Clean it
Contact an ABB Turbocharging
Service Station
Rev.G March 2020