Removing / Installing Compressor Casing - ABB A140-H56 Operation Manual

Operation Manual / A130-H.. - A140-H..
10 Disassembly and assembly
10.4

Removing / Installing compressor casing

Removing the compressor casing
Figure 29
Loosen screws (72011) and remove together with fastening strips (72012).

Attach swivel lifting eyes (a) to the compressor casing and lifting gear.

Remove the compressor casing (72000) and turn it 180°.

Remove O-ring (42012).

Loosen screws (79041) and remove from the compressor casing (72000) with fixing discs

(79040) and diffuser (79000).
Loosening the compressor casing with press-off tool
If the compressor casing cannot be loosened, it can be pressed off against
the turbine casing with the press-off tool (90042).
NOTICE
Axial force of the press-off tool
A high axial force can be generated with the press-off tool. If this tool is
handled improperly (pressing off with too much force on one side), this may
CAUTION
result in damage to the rotor.
Use the tool on both sides alternatingly and make sure not to press off too

hard on either side.
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Revision B
March 2013