ABB HT563830 Operation Manual page 71

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Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
Troubleshooting
Malfunctions during operation
Charge air pressure too low
Engine output and engine speed unchanged, air intake condition normal
Possible causes
Engine Air receiver leaky
Gas line between engine and
turbine leaky
Maladjusted injection system Correct it.
Maladjusted valve control
Turbocharger Manometer display wrong
Line to manometer leaky
Dirty filter silencer, causing
excessive loss of pressure
Dirty compressor / turbine
Damaged compressor /
turbine
Exhaust counterpressure too
high
Charge-air pressure too high
Engine performance and engine speed unchanged, suction condition
normal
Possible causes
Engine Malfunction in the injection
system
Injection misaligned
Engine performance higher
than expected
Turbocharger Manometer display defective Replace manometer
6
6.3
Elimination
Repair it.
Replace manometer.
Repair it.
Clean it.
Contact ABB Turbocharging
service station.
Clean or repair boiler or exhaust
silencer.
Remedy
Repair or contact manufacturer
Set correctly
Check engine performance
Page 69