ABB HT611169 Operation Manual page 73

Operation Manual / TPL65-A32 / -A33 / -A36 + TPL69-A32 / -A33
6 Troubleshooting / 6.3 Malfunctions during operation
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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 sys-
tem
Poorly adjusted valve control
Turbochar- Manometer display wrong
ger
Line to manometer leaking
Contaminated filter silencer
causing excessive loss of pres-
sure
Compressor / turbine contam-
inated
Damaged compressor / tur-
bine
Exhaust counterpressure too
high
Charge air pressure too high
Engine performance and engine speed unchanged, air intake condition
normal
Possible causes
Engine Malfunctioning injection sys-
tem
Poorly adjusted injection sys-
tem
Engine performance higher
than expected
Turbochar- Manometer display wrong
ger
HZTL2498_EN
Elimination
Make repairs
Correct it
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 manu-
facturer
Correct it
Check engine performance
Replace the manometer
Rev.F December 2020