Installing The Compressor Casing; Table 37 Tightening Torque - ABB HT574400 Operation Manual

Operation Manual / 4 Product description / A100-M axial
8 Disassembly and assembly
8.10

Installing the compressor casing

Installing the compressor casing external part
Figure 49: Installing the compressor casing
Part number
61037
61037 (nuts that are difficult to
access)
61090
Table 37: Tightening torque (61037 / 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.
3. Fasten lifting device (90190 / 90195) to compressor casing (72000) and secure to crane.
4. Position compressor casing (72000).
Tighten nuts (61037) crosswise.
5. Remove lifting device (90190 / 90195).
6. Tighten the three press-off nuts (61090) against compressor casing (72000) by applying
the corresponding tightening torque.
© Copyright 2016 ABB. All rights reserved.
A170-M
M22
415 Nm
Pre-tightening torque 30 Nm
Tightening angle 45° ±5°
M22
50 Nm
HZTL4033_EN
Page 80 / 113
A175-M
M24
490 Nm
Pre-tightening torque 40 Nm
Tightening angle 45° ±5°
M24
50 Nm
Revision A July 2016