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6.3
6.3
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Troubleshooting
Malfunctions during operation
Malfunctions during operation
Lubricating oil pressure too low
Possible causes
Engine
Oil filter heavily contaminated
Defective oil pump in lubricat-
ing system
Manometer display wrong
Turbocharger
Rotor axial clearance too large Contact an ABB Turbocharging
Reduction in speed
Possible causes
Engine
Defects of connected cylin-
ders when pulse charging
Turbocharger
Heavy contamination of the
turbine
Damaged rotor components or
bearing
Pipes
Defects such as leaks in the
exhaust gas pipes or charge
air ducts
Increase in speed
Possible causes
Turbocharger
Heavily contaminated nozzle
ring (with 4-stroke application)
Operation Manual / TPS44-F.. - TPS61-F..
6
6.3
Elimination
Clean it
Check / replace it
Replace the manometer
Service Station
Elimination
Contact the enginebuilder
Clean it
Contact an ABB Turbocharging
Service Station
Make repairs
Elimination
Contact an ABB Turbocharging
Service Station
Page 79
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