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Operation Manual / Power2 850-M / 4.1 Low-pressure stage
4 Disassembly and assembly / 4.12 Installing the compressor casing
© Copyright 2019 ABB. All rights reserved.
HZTL4062_EN
Revision A
March 2019
4.12
Installing the compressor casing
Fig. 25: Installing the compressor casing
Part number
Thread and tightening torque
61037
M16
250 Nm
61037 (nuts that are difficult to access)
Pre-tightening torque 60 Nm
Tightening torque angle 90° ±5°
72021
M10x20
70 Nm
Table 11: Tightening torque (61037 / 72021)
1. Secure lifting gear to swivel lifting eye (90231) and insert compressor casing.
(Installation of bracket and plates
(see Fig. 10: Removing the compressor casing 1
).
2. Fit nuts (61037). Observe the tightening torque.
3. Remove plates (90031) and bracket (90030).
4. Fit screw (72021). Observe the tightening torque.
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