ABB A170-M Series Original Operation Manual

Operation Manual / 4 Product description / A100-M axial
7 Troubleshooting / 7.3 Surging of the turbocharger
© Copyright 2019 ABB. All rights reserved. HZTL4033_DE Revision C February 2019
Charge air pressure too high
Engine performance and engine speed unchanged, suction condition normal
Possible causes Remedy
Turbocharger Manometer display not correct Replace manometer
Engine Malfunction in the injection system Repair or contact manufacturer
Injection mistimed Set correctly
Engine performance higher than indic-
ated
Check engine performance
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.
u Gradually reduce the engine load.
u Have the cause clarified and remedied immediately by an ABB Turbochar-
ging Service Station.
u Have parts assessed for damage and, if necessary, replaced by an ABB
Turbocharging Service Station.
Surging of the turbocharger
Possible causes Remedy
Turbocharger Filter silencer or diffuser contamin-
ated
Clean (Periodic maintenance →33)
Heavy dirt deposits in the turbine or in
the nozzle ring
Engine Protective grating in front of the tur-
bocharger contaminated or damaged
Clean/replace
Charge air
cooler
Cooler contaminated Clean
Charge air duct blocked
Table24: Surging of the turbocharger
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ABB A170-M Series Specifications

General

Brand	ABB
Model	A170-M Series
Category	Industrial Equipment
Language	English