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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
Maladjusted valve control
Turbo-
Manometer display wrong
charger
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
Turbo-
Manometer display defective
charger
Operation Manual / TPS44-F.. - TPS61-F..
6
6.3
Elimination
Repair it.
Correct 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
Replace manometer
Page 81
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