Operation Manual / Power2 850-M / 4.1 Low-pressure stage
4 Disassembly and assembly / 4.17 Installing the filter silencer
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HZTL4062_EN
Rev.C
July 2020
4.17
Installing the filter silencer
Fig. 30: Installing the filter silencer
Part number
Thread and tightening torque
72004
M16
200 Nm
72004 (nuts that are difficult to access)
Pre-tightening torque 60 Nm
Tightening angle 60° ±5°
150 Nm
1)
77022
M16
200 Nm
Table 16: Tightening torque (72004 / 77022)
1) Application with adapter 90249 and special key 90250/90251, see below
1. Fit sleeves (77023) and nuts (77022) in accordance with position of filter silencer and
tighten nuts (77022).
2. Remove the two opposing nuts (72004) and washers (72003) that were used to secure
the wall insert.
3. Fit the swivel lifting eye (90231) to the filter silencer (81000). Attach the lifting gear to
the swivel lifting eye (90231) and loop through the eyelets at the rear of the filter silen-
cer (81000).
4. Fit the filter silencer.
5. Fit nuts (72004) and washers (72003) and tighten nuts (72004).
u
If present: Fit supply line for compressor cleaning to filter silencer.
u
Reinstall dismantled insulation.
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