Fig. 27: Cleaning The Filter Silencer (2); Table 15: Tightening Torque (81272); Table 16: Tightening Torque (81273) - ABB HT612273 Operation Manual

Operation Manual / A170-M.. - A175-M..
7 Periodic maintenance / 7.2 Cleaning the filter silencer
CAUTION
Penetration of dirt and foreign particles
Any penetration of dirt and foreign particles into the compressor can dam-
age it.
Fit the connecting rods (81269) correctly in the slots on the filter silencer
u
body (81135).
It must not be possible to rotate or move the cover grid (81266) after as-
u
sembly.
Check the position and alignment of the connecting rods during and after
u
assembly.
Fig. 27: Cleaning the filter silencer (2)
Place cover grids (81266) evenly and in the correct position.
u
Push connecting rods (81269) through the lugs of the cover grids (81266).
u
Connect the connecting rods (81269) with the screws (81272). When tightening the
u
screws (81272), make sure that the flattened ends of the connecting rods (81269) are cor-
rectly positioned on the edge of the filter silencer body (81135).
Tighten screws (81272) alternately and evenly. Observe tightening torque
u
Screw
81272
Table 15: Tightening torque (81272)
Fit the lock nuts (81273) on the screw (81272). Observe tightening torque.
u
Lock nut
81273
Table 16: Tightening torque (81273)
If present: Fit the filter ring (81265)
u
© Copyright 2022 ABB. All rights reserved.
Tightening torque [Nm]
Tightening torque [Nm]
Cleaning the filter silencer
HZTL4033_EN
20
40
→54.
Rev.K January 2022