Operation Manual / 4 Product description / A200-L
7 Troubleshooting / 7.3 Surging of the turbocharger
© Copyright 2018 ABB. All rights reserved.
HZTL4036_EN
Revision M
August 2018
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 22: Malfunctions during operation – Charge air pressure too high
7.3
Surging of the turbocharger
Surging of the turbocharger
Possible causes
Remedy
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
Clean/replace
Charge air
cooler
Cooler contaminated
Clean
Charge air duct blocked
Table 23: 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.
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