ABB HT606839 - Fig. 61: Installing Diffuser; Table 47: Tightening Torque (77015)

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
3. Using screws (90196) and washers (90198), fasten lifting device (90190 / 90195) to com-
pressor 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.61: Installing diffuser
Product Size Tightening torque [Nm]
A170-M M5 6
A175-M M6 10
Table47: 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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