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Operation Manual / A170-M.. - A175-M..
7 Periodic maintenance / 7.2 Cleaning the filter silencer
© Copyright 2021 ABB. All rights reserved.
HZTL4033_EN
Rev.H
July 2021
Fig. 27: Cleaning the filter silencer (2)
u
Push the connecting rods (81269) through the lugs of the cover grids (81266).
u
Connect the connecting rods (81269) with the screws (81272). While tightening the
screws (81272), make sure that the connecting rods (81269) lie correctly in the slots on the
filter silencer body (81135). Now alternately tighten the screws (81272) up to the following
maximum tightening torque:
Screw
Tightening torque [Nm]
81272
20
Table 15: Tightening torque (81272)
u
Fit lock nuts (81273) on screws (81272) and tighten with the following tightening torque:
Lock nut
Tightening torque [Nm]
81273
40
Table 16: Tightening torque (81273)
u
If present, fit filter ring (81265).
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