ABB XAC22682 - Surging of the Turbocharger; Table 22: Malfunctions During Operation - Charge Air Pressure too High; Table 23: Surging of the Turbocharger

Operation Manual / 4 Product description / A200-L
7 Troubleshooting / 7.3 Surging of the turbocharger
© Copyright 2020 ABB. All rights reserved. HZTL4036_EN Rev.Q July 2020
Charge air pressure too high
Engine performance and engine speed unchanged, suction condition normal
Possible causes Remedy
Turbochar-
ger
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
Clean (Periodic maintenance →31)
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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