Removing The Turbocharger; Fig. 12: Turbine Cleaning Nozzle; Fig. 13: Removing The Turbocharger - ABB A155-M Series Operation Manual

Operation Manual / A150-M56/66/57/67 - A155-M..
3 Removing and Installing / 3.2 Removing the turbocharger
3.2

Removing the turbocharger

Disconnect all pipes according to the instructions of the enginebuilder.
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Fig. 12: Turbine cleaning nozzle
If present: Loosen the turbine cleaning connection.
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The cleaning nozzle (51301) must be replaced after each removal procedure. If the clean-
ing nozzle is not to be replaced, the screw connection (01) must not be loosened during
disassembly.
The gas outlet casing (61001) can remain fitted in the exhaust gas pipe if the locking nuts
are accessible. Otherwise the complete turbocharger unit including gas outlet casing must
be removed.
Fig. 13: Removing the turbocharger
Secure the lifting gear to the turbocharger (see illustration).
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If present: Loosen and remove the compressor wheel cooling connection. Close the com-
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pressor wheel cooling opening with a screw plug (01).
If present: Disconnect the plug to the speed sensor (86505) and secure the rolled-up
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cable on the turbocharger. This protects the plug from being crushed.
If present: Detach the support (61301) from the engine support.
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© Copyright 2021 ABB. All rights reserved. HZTL4032_EN Rev.Q January 2021