Operation Manual / Power2 845-M / High-pressure stage
8 Troubleshooting / 8.2 Malfunctions during operation
© Copyright 2022 ABB. All rights reserved.
HZTL4069_EN
Rev.F
March 2022
Contamination of the compressor
Reduced compressor performance/efficiency and therefore engine performance losses
Possible causes
Remedy
Low-pressure
or
high-pressure
stage
Heavy contamination of the com-
pressor components due to the in-
flux of ventilation gases
Clean the compressor
Optimize oil separation
Increased vibration, compressor
blade damage due to the influx of
ventilation gases
Correct the influx of ventilation gases in
accordance with the enginebuilder's in-
structions.
Table 34: Malfunctions during operation – Compressor 1 contamination
Reduced fatigue strength of the compressor wheel, compressor blade breakage.
Possible causes
Remedy
Low-pressure
or
high-pressure
stage
Material of the compressor wheel
corroded due to the influx of ventila-
tion gases containing corrosive com-
ponents
Correct the influx of ventilation gases in
accordance with the enginebuilder's in-
structions.
Material of the compressor wheel
corroded due to intake air containing
exhaust gases or salt
Prevent exhaust gas leakages in the en-
gine space
Clean the compressor
Table 35: Malfunctions during operation – Compressor 2 contamination
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Summary of Contents for PT004161
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