Operation Manual / Power2 850-M / 4.1 Low-pressure stage
4
Disassembly and assembly
Page 30 / 49
© Copyright 2015 ABB. All rights reserved.
HZTL4062_EN
Revision -
December 2015
4.13
Installing the 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 26: Installing the wall insert 1
Part number
Thread and tightening torque
77016
M5
5 Nm
Table 12: Tightening torque (77016)
1. Coat thread of screws (77016) with Loctite® 542 and secure diffuser (79000) with
screws (77016).
2. Install new O-rings (77040 / 79020 / 79021).
3. Fit lifting gear to swivel lifting eye (90231).
4. Fit four plates (90031) and secure with plate (90032), screw (90656) and nut (90432).
5. Lift the wall insert and remove the support angle (90480).
6. Carefully insert the wall insert.
7. Fix the wall insert in place with two opposing nuts (72004) and washers (72003).
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