Surging Of The Turbocharger; Table 22: Malfunctions During Operation - Charge Air Pressure Too High; Table 23: Surging Of The Turbocharger - ABB XAC22175 Operation Manual

Operation Manual / 4 Product description / A100-L
7 Troubleshooting / 7.3 Surging of the turbocharger
Charge air pressure too high
Engine performance and engine speed unchanged, suction condition normal
Possible causes
Turbochar- Manometer display not correct
ger
Engine Malfunction in the injection system
Injection mistimed
Engine performance higher than indic-
ated
Table 22: Malfunctions during operation – Charge air pressure too high
7.3

Surging of the turbocharger

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 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.
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.
© Copyright 2020 ABB. All rights reserved.
Remedy
Replace manometer
Repair or contact manufacturer
Set correctly
Check engine performance
Remedy
Clean (Periodic maintenance
Clean/replace
Clean
HZTL4034_EN
→31)
Rev.P January 2020