Operation Manual / Power2 850-M / 4.2 High-pressure stage
4 Disassembly and assembly / 4.13 Installing the air suction branch to-
gether with bellows
© Copyright 2017 ABB. All rights reserved. HZTL4063_EN Revision A August 2017
4.13 Installing the air suction branch together with
bellows
Fig.22: Installing the air suction branch
Part number Thread and tightening torque
72004 M12
120 Nm
Table12: Tightening torque (72004)
1. Remove lock nut (72004).
2. Loop around air suction branch and secure to air line in such a way that the bellows is not
radially pre-tensioned.
3. Fit washers (72003) and nuts (72004) and tighten.
4. Remove the lifting gear.
u Fit all air lines in accordance with the enginebuilder's instructions.
u If present: Connect supply line for compressor cleaning to air suction branch.
u Fit insulation, wherever it has been removed.
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