Operation Manual / Power2 650-M / 4.1 Low-pressure stage
4 Disassembly and assembly / 4.13 Installing the wall insert
© Copyright 2020 ABB. All rights reserved.
HZTL4065_EN
Rev.C
March 2020
1. Secure lifting gear to swivel lifting eye (90231) and insert compressor casing.
(For installation of bracket and plates, see
Removing the compressor casing
).
2. Fit nuts (61037). Observe tightening torque.
3. Remove plates (90031) and bracket (90030).
4. Fit screw (72021). Observe tightening torque.
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 jam-
ming of the compressor wheel at the wall insert.
u
Check that the compressor wheel does not rub against the wall insert
during disassembly/assembly by rotating the rotor.
Fig. 26: Installing the wall insert 1
Part number
Thread and tightening torque
77016
M5x35
5 Nm
Table 12: Tightening torque (77016)
1. Coat the threads of screws (77016) with Loctite® 243 and secure diffuser (79000) with
screws (77016). Observe tightening torque.
2. Install new O-rings (77040 / 79020 / 79021).
3. Secure lifting gear to swivel lifting eye (90231).
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