ABB A140-H56 Operation Manual page 79

Operation Manual / A130-H.. - A140-H..
9 Troubleshooting
Exhaust gas temperature too high
Engine performance and engine speed unchanged
Possible causes
Engine Malfunction in the injection system
Turbocharger Insufficient air, for example, when filter
silencer is blocked by dirt
Compressor/turbine contaminated
Exhaust gas back pressure too high
Turbine damaged or eroded
Charge air coo- Cooler contaminated
ler
Cooling water volume too low
Inlet temperature of cooling water too
high
Insufficient ventilation
Table 19
Charge air pressure too low
Engine performance and engine speed unchanged, suction condition normal
Possible causes
Engine Air receiver not sealed
Gas pipe between engine and turbine not
sealed
Injection mistimed
Valve controller misadjusted
Turbocharger Manometer display not correct
Supply pipe to manometer not sealed
Filter silencer contaminated, therefore
pressure drop too high
Compressor end and/or turbine end
contaminated
Compressor/turbine damaged
Exhaust gas back pressure too high
Table 20
© Copyright 2013 ABB. All rights reserved.
Remedy
Repair or contact manufacturer
Clean (Periodic maintenance [➙ 61])
Clean or repair boiler or exhaust gas
silencer
Contact ABB Turbocharging Service Stati-
on
Clean
Fill
Check/clean cooling system
Improve ventilation
Remedy
Repair
Set correctly
Replace manometer
Repair leak
Clean (Periodic maintenance [➙ 61])
Contact ABB Turbocharging Service Stati-
on
Clean or repair boiler or exhaust gas
silencer
HZTL2414_EN
Page 77 / 115
Revision B
March 2013