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Troubleshooting
Malfunctions during operation
Charge air pressure too low
Engine performance and engine speed unchanged, air intake condition
normal
Possible causes
Engine
Air receiver leaking
Gas piping between the engine
and the turbine leaking
Poorly adjusted injection system Correct it
Poorly adjusted valve control
Turbo-
Manometer display wrong
charger
Line to manometer leaking
Contaminated filter silencer
causing excessive loss of pres-
sure
Compressor / turbine
contaminated
Damaged compressor / turbine
Exhaust counterpressure too
high
Charge air pressure too high
Engine performance and engine speed unchanged, air intake condition
normal
Possible causes
Engine
Malfunctioning injection system
Poorly adjusted injection system Correct it
Engine performance higher than
expected
Turbo-
Manometer display wrong
charger
Operation Manual / TPL67-C.. - TPL71-C..
6
6.3
Elimination
Make repairs
Replace the manometer
Repair the leak
Clean it
Contact an ABB Turbocharging
Service Station
Clean or repair the boiler or ex-
haust silencer
Elimination
Repair it or contact the manufac-
turer
Check engine performance
Replace the manometer
Page 81
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