ABB A155-M57 Operation Manual page 100

Operation Manual / 4 Product description / A150-M.. - A155-M..
8 Dismantling and fitting
Identification of the assembly devices
Not all assembly devices are marked with a part number. Identification is guaranteed by the
tool list. This list is enclosed in the toolbox.
Servicing the assembly devices
Assembly devices must be checked for damage before and after use.
Visually inspect for corrosion, cracks, deformation and wear.

WARNING
Damaged assembly devices must no longer be used and must be re-

placed.
Customer spare part set
Before starting operations, make sure the required customer spare part sets are available.
See chapter Spare parts [➙ 113].

Oil orifice
When disassembling the turbocharger, an oil orifice fitted in the oil inlet must not be re-

moved (see also chapter Removing the cartridge group [➙ 80]).
Tightening torques for components of the turbocharger
The specified tightening torques of the screw fittings must be observed (Table of tightening
torques [➙ 101]).
Tightening torques for assembly devices
Unless described otherwise, the screws and nuts of the assembly devices supplied by ABB
must be tightened so they rest firmly against the surface.
© Copyright 2017 ABB. All rights reserved. HZTL4032_EN
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Revision F January 2017