Operation Manual / TPS44-F.. - TPS61-F..
6 Troubleshooting / 6.3 Malfunctions during operation
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HZTL2412_EN
Rev.G
March 2020
6.3 Malfunctions during operation
Lubricating oil pressure too low
Possible causes
Elimination
Engine
Oil filter heavily contaminated Clean it
Defective oil pump in lubricat-
ing system
Check / replace it
Manometer display wrong
Replace the manometer
Turbochar-
ger
Rotor axial clearance too large Contact an ABB Turbocharging
Service Station
Reduction in speed
Possible causes
Elimination
Engine
Defects of connected cylinders
when pulse charging
Contact the enginebuilder
Turbochar-
ger
Heavy contamination of the
turbine
Clean it
Damaged rotor components or
bearing
Contact an ABB Turbocharging
Service Station
Pipes
Defects such as leaks in the ex-
haust gas pipes or charge air
ducts
Make repairs
Increase in speed
Possible causes
Elimination
Turbochar-
ger
Heavily contaminated nozzle
ring (with 4-stroke application)
Contact an ABB Turbocharging
Service Station
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