ABB A155-M57 Operation Manual page 48

Operation Manual / 4 Product description / A150-M.. - A155-M..
2 Removing and Installing
2.3.2 Placing the turbocharger on the bracket
Figure 10: Fitting the turbocharger 1
Step A – Preparing the fixing screws
1. Insert expansion bush (42190) into bearing casing.
2. Screw the clamping nut (42201) flush onto the threaded rod (42191). The hexagon of the
thread screw is at the top.
3. Place the thrust washer (01) of the clamping nut on the expansion bush and, with the
clamping nut screwed on, guide the threaded rod through the thrust washer, expansion
bush and bearing casing.
Step B – Preparing the positioning
Screw the centering bush (42193) flush onto the threaded rod from below.

Clean the surface of the bracket, the bearing casing, the centering bush and the centering

holes in the bracket.
Make sure that the covers of the oil connections are removed.

Make sure that the position of the oil inlet of the bracket matches the oil inlet hole in the

bearing casing.
Make sure that the O-rings are placed correctly in the slots.

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Revision F January 2017