ABB HT596622 - Fig. 55: Installing Diffuser; Table 45: Tightening Torque (77015)

Operation Manual / 4 Product description / A100-M axial
8 Disassembly and assembly / 8.11 Installing the compressor casing
© Copyright 2020 ABB. All rights reserved. HZTL4033_EN Rev.E May 2020
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 Size Tightening torque [Nm]
A170-M M5 6
A175-M M6 10
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.
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