ABB PT003901 - Installing the Compressor Casing; Fig. 37: Installing the Compressor Casing; Table 45: Tightening Torques (42007, 72011, 77022)

Operation Manual / Power2 340-H / High-pressure stage
9 Disassembly and assembly / 9.9 Installing the compressor casing
© Copyright 2022 ABB. All rights reserved. HZTL4054_EN Rev.F March 2022
9.9 Installing the compressor casing
u Always replace the O-rings(42012 and 77005) with new ones (see Ordering spare parts
→97).
Fig.37: Installing the compressor casing
Part number Tightening torque
42007 M8
25Nm
72011 M10
75Nm
77022 M8
40Nm
Table45: Tightening torques (42007, 72011, 77022)
1. Fit new O-ring(77005) into wall insert(77000).
2. Screw two swivel lifting eyes(01) into compressor casing(72000) and secure lifting gear.
3. Lower compressor casing(72000) onto wall insert(77000) and fit with washer(77021)
and nuts(77022).
4. Thoroughly clean the fastening strips(72012) before assembly.
5. Fit the diffuser(79000) with screw(42007).
6. Insert new O-ring(42012).
7. Position compressor casing(72000) on cartridge group(10900).
8. Fit the fastening strips(72012) with screws(72011) and tighten.
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