Operation Manual / 4 Product description / A100-L
7 Troubleshooting / 7.4 Malfunctions when stopping
© Copyright 2018 ABB. All rights reserved. HZTL4034_EN Revision N November 2018
Sporadic surge blows
Surging of the turbocharger can occur during certain operating states, such as when redu-
cing the engine load quickly when manoeuvring. When this happens, the flow direction in the
compressor is momentarily reversed. Such sporadic surge blows do not impair the safe op-
eration of the turbocharger.
¡ A surge blow is accompanied by a loud bang and escape of hot air from the filter silencer.
7.4 Malfunctions when stopping
Runout noises
Possible causes Remedy
Turbocharger Turbocharger contaminated Clean
Bearing damaged Contact an ABB Turbocharging
Service Station
Rotor rubbing
Foreign object in the turbocharger
Table24: Malfunctions when stopping – Runout noises
Shortened runout time
Possible causes Remedy
Turbocharger Turbocharger contaminated Clean
Bearing damaged Contact an ABB Turbocharging
Service Station
Rotor rubbing
Foreign object in the turbocharger
Table25: Malfunctions when stopping – Shortened runout time
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