Operation Manual / Power2 550-M / High-pressure stage
9 Disassembly and assembly / 9.9 Installing the compressor casing
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HZTL4058_EN
Rev.F
March 2022
9.9
Installing the compressor casing
u
Always replace the O-rings (42012 and 77005) with new ones (see
).
Fig. 39: Installing the compressor casing
Part number
Tightening torque
42007
M10
50 Nm
72011
M12
130 Nm
77022
M10
75 Nm
Table 47: 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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