Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
6 Troubleshooting / 6.3 Malfunctions during operation
© Copyright 2018 . All rights reserved. HZTL2481_EN Revision C May 2018
Charge air pressure too low
Engine performance and engine speed unchanged, air intake condition
normal
Possible causes Elimination
Engine Air receiver leaking Make repairs
Gas piping between the engine
and the turbine leaking
Poorly adjusted injection sys-
tem
Correct it
Poorly adjusted valve control
Turbochar-
ger
Manometer display wrong Replace the manometer
Line to manometer leaking Repair the leak
Contaminated filter silencer
causing excessive loss of pres-
sure
Clean it
Compressor / turbine contam-
inated
Damaged compressor / tur-
bine
Contact an ABB Turbocharging
Service Station
Exhaust counterpressure too
high
Clean or repair the boiler or ex-
haust silencer
Charge air pressure too high
Engine performance and engine speed unchanged, air intake condition
normal
Possible causes Elimination
Engine Malfunctioning injection sys-
tem
Repair it or contact the manu-
facturer
Poorly adjusted injection sys-
tem
Correct it
Engine performance higher
than expected
Check engine performance
Turbochar-
ger
Manometer display wrong Replace the manometer
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