ABB Power2 850-M16 - Removing Wall Insert

Operation Manual / Power2 850-M / 4.1 Low-pressure stage
4
Disassembly and assembly
Page 17 /
49
© Copyright 2015 ABB. All rights reserved.
HZTL4062_EN
Revision -
December 2015
4.6 Removing wall insert
CAUTION
Clearance between compressor wheel and wall insert
Serious damage to machinery or property can result from rubbing or
jamming of the compressor wheel at the wall insert.
 Check that the compressor wheel does not rub against the wall insert
during disassembly/assembly by rotating the rotor.
Figure 7: Removing wall insert 1
1. Screw nut (72004) onto end of bolt thread as protection.
2. Use three press-off screws (90920) to press off the wall insert (77000) until the lifting
device can be fitted.
3. Remove the press-off screws (90920).
4. Remove two studs (72002) in the upper area.