Fig. 55: Installing Diffuser; Table 45: Tightening Torque (77015) - ABB HT596239 Operation Manual

Operation Manual / 4 Product description / A100-M axial
8 Disassembly and assembly / 8.11 Installing the compressor casing
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 the 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.
Installing diffuser
Fig. 55: Installing diffuser
Product
A170-M
A175-M
Table 45: Tightening torque (77015)
1. Loop around diffuser (79000) with lifting gear and position it on the wall insert (77000).
2. Attach diffuser with screws (77015).
3. Grease the new O-ring (77040) and fit it.
© Copyright 2020 ABB. All rights reserved.
Size Tightening torque [Nm]
M5
M6
HZTL4033_EN
6
10
Rev.E May 2020