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