ABB TPL73-A30 - Page 81

Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A30
T
roubleshooting
6
Malfunctions during operation
6.3
Page 79
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December 2016 HZTL2481_EN Revision B
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 system Correct it
Poorly adjusted valve control
Turbo-
charger
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 contami-
nated
Damaged compressor / turbine 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 system Repair it or contact the manufac-
turer
Poorly adjusted injection system Correct it
Engine performance higher than
expected
Check engine performance
Turbo-
charger
Manometer display wrong Replace the manometer