ABB A175-M52 - Fig. 27: Cleaning the Filter Silencer (2); Table 15: Tightening Torque (81272); Table 16: Tightening Torque (81273)

Operation Manual / A170-M.. - A175-M..
7 Periodic maintenance / 7.2 Cleaning the filter silencer
© Copyright 2020 ABB. All rights reserved. HZTL4033_EN Rev.G December 2020
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 max-
imum 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 Fit the filter ring (81265), if present.
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