Installing The Compressor Casing; Fig. 38: Installing The Compressor Casing; Table 45: Tightening Torque (61090) - ABB Power2 850-M16 Operation Manual

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Operation Manual / Power2 850-M / High-pressure stage
9 Disassembly and assembly / 9.12 Installing the compressor casing
9.12

Installing the compressor casing

Fig. 38: Installing the compressor casing
Part number
61090
61090 (nuts that are difficult to access)
61090* (press-off nuts)
Table 45: Tightening torque (61090)
1) Application with adapter 90249 and special key 90250, see below
1. Fit a new O-ring (42012).
2. Secure lifting gear to swivel lifting eye (90657) and insert compressor casing.
(Installation of bracket and plates
3. Fit nuts (61090). Observe tightening torque.
4. Tighten press-off nuts (61090*) with ring spanner (90426). Observe tightening torque.
5. Remove plates (90031) and bracket (90030).
Application of special key for nuts that are difficult to access
Attach the special key (90250 / 91250 / 90251 / 91251) to the torque spanner by using the
u
adapter (90249 / 91249).
Use the special key in an angle range between 30° and 90°.
u
© Copyright 2022 ABB. All rights reserved.
Thread and tightening torque
Pre-tightening torque 50 Nm
Tightening angle 30° ±5°
(see Fig. 26: Removing the compressor casing
HZTL4063_EN
M12
120 Nm
1)
90 Nm
10 Nm
→72)).
Rev.F
March 2022

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