ABB A175-M52 - Installing the Compressor Casing; Fig. 60: Installing the Compressor Casing; Table 44: Tightening Torque (61037); Table 45: Tightening Torque, Nuts that Are Difficult

Operation Manual / A170-M.. - A175-M..
9 Disassembly and assembly / 9.11 Installing the compressor casing
© Copyright 2020 ABB. All rights reserved. HZTL4033_EN Rev.G December 2020
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.
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