Surging Of The Turbocharger; Table 23: Malfunctions During Operation - Charge Air Pressure Too High; Table 24: Surging Of The Turbocharger - ABB HT592578 Operation Manual

Operation Manual / 4 Product description / A100-M axial
7 Troubleshooting / 7.3 Surging of the turbocharger
Charge air pressure too high
Engine performance and engine speed unchanged, suction condition normal
Possible causes
Turbocharger Manometer display not correct
Engine Malfunction in the injection system
Injection mistimed
Engine performance higher than indic-
ated
Table 23: Malfunctions during operation – Charge air pressure too high
7.3

Surging of the turbocharger

CAUTION
Continuous or periodic surging
If the turbocharger surges continuously or periodically, parts of the tur-
bocharger may be damaged.
Gradually reduce the engine load.
u
Have the cause clarified and remedied immediately by an ABB Turbochar-
u
ging Service Station.
Have parts assessed for damage and, if necessary, replaced by an ABB
u
Turbocharging Service Station.
Surging of the turbocharger
Possible causes
Turbocharger Filter silencer or diffuser contamin-
ated
Heavy dirt deposits in the turbine or in
the nozzle ring
Engine Protective grating in front of the tur-
bocharger contaminated or damaged
Charge air Cooler contaminated
cooler
Charge air duct blocked
Table 24: Surging of the turbocharger
© Copyright 2019 ABB. All rights reserved.
Remedy
Replace manometer
Repair or contact manufacturer
Set correctly
Check engine performance
Remedy
Clean (Periodic maintenance
Clean/replace
Clean
HZTL4033_DE
→33)
Revision C February 2019