Surging Of The Turbocharger; Table 22 Malfunctions During Operation - ABB HT568964 Operation Manual

Operation Manual / 4 Product description / A100-M axial
7 Troubleshooting
Charge air pressure too high
Engine performance and engine speed unchanged, suction condition normal
Possible causes
Engine Malfunction in the injection system
Injection mistimed
Engine performance higher than indicated Check engine performance
Turbocharger Manometer display not correct
Table 22: Malfunctions during operation – Charge air pressure too high
7.3

Surging of the turbocharger

Prolonged or periodic surging
If the turbocharger surges continuously or periodically, parts of it can be
damaged.
CAUTION
Slowly reduce the engine load.

Have the cause clarified immediately by an ABB Turbocharging service

station and rectified.
Have components inspected for damage and, if necessary, replaced by

an ABB Turbocharging service station.
Surging of the turbocharger
Possible causes
Engine Protective grating in front of the turbo-
charger contaminated or damaged
Turbocharger Filter silencer or diffuser contaminated Clean (Periodic maintenance [➙ 37])
Heavy dirt deposits in the turbine or in
the nozzle ring
Charge air cooler Cooler contaminated
Charge air duct blocked
Table 23: Surging of the turbocharger
© Copyright 2016 ABB. All rights reserved.
Remedy
Repair or contact manufacturer
Set correctly
Replace manometer
Remedy
Clean/replace
Clean
HZTL4033_EN
Page 54 / 113
Revision A July 2016