Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
Troubleshooting
6
Malfunctions during operation
6.3
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Malfunctions during operation
6.3
Lubricating oil pressure too low
Possible causes
Elimination
Engine
Very dirty oil filter
Clean it.
Defective oil pump in
lubricating system
Check / replace it.
Manometer display wrong.
Replace manometer.
Turbocharger Rotor axial clearance too large Contact ABB Turbocharging
service station.
Drop in speed
Possible causes
Elimination
Engine
Defects of connected
cylinders when pulse charging
Contact engine builder.
Turbocharger Very dirty turbine
Clean it.
Damaged rotor components or
bearing
Contact ABB Turbocharging
service station.
Lines
Defective exhaust gas lines or
charge air lines, such as leaky
Repair them.
Increase in speed
Possible causes
Elimination
Turbocharger Very dirty nozzle ring (with 4-
stroke application)
Contact ABB Turbocharging
service station.
6.3
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