Surging Of The Turbocharger; Table 23: Malfunctions During Operation - Charge Air Pressure Too High; Table 24: Surging Of The Turbocharger - ABB A165-L Series Operation Manual

Operation Manual / A100-L
8 Troubleshooting / 8.3 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 23: Malfunctions during operation – Charge air pressure too high
8.3

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 24: 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 2021 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
→48)
Rev.T December 2021