Operation Manual / A150-M56/66/57/67 - A155-M..
3 Removing and Installing / 3.2 Removing the turbocharger
© Copyright 2021 ABB. All rights reserved.
HZTL4032_EN
Rev.R
August 2021
Fig. 13: Removing the turbocharger
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Secure the lifting gear to the turbocharger (see illustration).
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If present: Loosen and remove the compressor wheel cooling connection.
Seal the compressor wheel cooling connection (01).
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If present: Disconnect the plug to the speed sensor (86505) and secure the rolled-up
cable on the turbocharger. This protects the plug from being crushed.
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If present: Detach the support (61301) from the engine support.
3.2.1
Loosening the clamping nut
CAUTION
Incorrect procedure can make loosening impossible
If individual pressure screws are fully relieved, the pressure screws can be-
come compressed, making it impossible to loosen them.
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Comply with the following steps for loosening the pressure screws.
CAUTION
Do not clean pressure screws
The pressure screws are equipped with a permanent sliding layer that must
not be removed. In case of non-compliance, it cannot be ensured that the
necessary tension force is reached.
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Do not clean pressure screws.
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Do not lubricate pressure screws.
If a screw jams, the previously loosened screw must be tightened again a little.
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Summary of Contents for HT608521
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