ABB A140-H56 Operation Manual page 91

Operation Manual / A130-H.. - A140-H..
10 Disassembly and assembly
Fitting the wall insert and the diffuser
Figure 31
Always replace the O-ring (77005) (see section Spare parts [➙ 113]).

Install the wall insert (77000) in the compressor casing.

Secure the diffuser (79000) with fixing discs (79040) and screws (79041).

(Table of tightening torques [➙ 103])
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Revision B
March 2013