![background image](http://html.mh-extra.com/html/abb/a170-m66/a170-m66_operation-manual_3437106.webp)
Operation Manual / A170-M.. - A175-M..
9 Disassembly and assembly / 9.11 Installing the compressor casing
© Copyright 2021 ABB. All rights reserved.
HZTL4033_EN
Rev.H
July 2021
9.11
Installing the compressor casing
Installing the compressor casing
Fig. 60: Installing the compressor casing
Product
Size
Tightening torque [Nm]
A170-M
M22
400
A175-M
M24
490
Table 44: Tightening torque (61037)
Product
Pre-tightening torque [Nm]
Tightening angle [°]
A170-M
30
45° ±5°
A175-M
40
45° ±5°
Table 45: Tightening torque, nuts that are difficult to access (61037)
Product
Size
Tightening torque [Nm]
A170-M
M22
50
A175-M
M24
50
Table 46: Tightening torque (61090)
1. Distributed evenly around the circumference, screw the press-off nuts (61090) onto the
studs of the bearing casing and turn them by hand until they are at the end of the thread.
2. Grease the new O-ring (42012) and fit it.
Page
104
/
147