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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 lubricating
system
Manometer display wrong
Turbo-
Rotor axial clearance too large
charger
Reduction in speed
Possible causes
Engine
Defects of connected cylinders
when pulse charging
Turbo-
Heavy contamination of the
charger
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
Turbo-
Heavily contaminated nozzle ring
charger
(with 4-stroke application)
Operation Manual / TPS44-F.. - TPS61-F..
6
6.3
Elimination
Clean it
Check / replace it
Replace the manometer
Contact an ABB Turbocharging
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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