ABB HT571908 Operation Manual page 83

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Troubleshooting
Malfunctions during operation
Charge air pressure too low
Engine performance and engine speed unchanged, air intake condition
normal
Possible causes
Engine Air receiver leaking
Gas piping between the engine
and the turbine leaking
Poorly adjusted injection system
Poorly adjusted valve control
Turbocharger Manometer display wrong
Line to manometer leaking
Contaminated filter silencer caus-
ing excessive loss of pressure
Compressor / turbine contamina-
ted
Damaged compressor / turbine
Exhaust counterpressure too high Clean or repair the boiler or
Charge air pressure too high
Engine performance and engine speed unchanged, air intake condition
normal
Possible causes
Engine Malfunctioning injection system
Poorly adjusted injection system
Engine performance higher than
expected
Turbocharger Manometer display wrong
Operation Manual / TPS44-F.. - TPS61-F..
6
6.3
Elimination
Make repairs
Correct it
Replace the manometer
Repair the leak
Clean it
Contact an ABB Turbocharg-
ing Service Station
exhaust silencer
Elimination
Repair it or contact the man-
ufacturer
Correct it
Check engine performance
Replace the manometer
Page 81