ABB A155-M57 Operation Manual page 110

Operation Manual / 4 Product description / A150-M.. - A155-M..
8 Dismantling and fitting
Dismantling the diffuser and the wall insert
Figure 33: Dismantling the diffuser and the wall insert
1. Loosen the screws (79041) and remove with fixing discs (79040).
2. Remove diffuser (79000).
3. Fit the swivel lifting eye (S) to the wall insert (77000). Secure lifting gear to the swivel lifting
eye.
4. Remove the wall insert (77000). When doing this, make sure that the wall insert does not
"stick" to the compressor casing (72000).
5. Remove and dispose of the O-ring (77005).
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Revision F January 2017