ABB A130-H57 Operation Manual - 7.3
Operation Manual / 4 Product description / A130-H.. - A140-H
7 Eliminating malfunctions / 7.3 Turbocharger is surging
© Copyright 2017 ABB. All rights reserved.
HZTL4030_EN
Revision D
May 2017
7.3
Turbocharger is surging
WARNING
Hot air escapes from the filter silencer
A surge blow is accompanied by a loud bang and escape of hot air from the
filter silencer. Personal injury can result.
u
Keep distance from the filter silencer while the turbocharger is surging.
Turbocharger surges continuously or periodically
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.
Possible causes
Remedy
Turbocharger
Filter silencer or diffuser contamin-
ated
Heavy contamination deposits in
the turbine or in the nozzle ring
Engine
Protective grating in front of the tur-
bocharger contaminated or dam-
aged
Clean/replace
Charge air
cooler
Cooler contaminated
Clean
Charge air duct blocked
Table 22: Malfunction – Turbocharger pumping
Sporadic surge blows
Possible causes
Remedy
Engine
Engine load reduced quickly when
manoeuvring.
When this happens, the flow direc-
tion in the compressor is momentar-
ily reversed. Such sporadic surge
blows do not impair the safe opera-
tion of the turbocharger.
- -
Table 23: Malfunction – Sporadic surge blows
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