Fig. 33: Cleaning The Filter Silencer (2); Table 17: Tightening Torque (81272); Table 18: Tightening Torque (81273) - ABB HT611076 Operation Manual

Operation Manual / A150-M56/66/57/67 - A155-M..
7 Periodic maintenance work / 7.4 Cleaning components mechanically
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
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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. 33: Cleaning the filter silencer (2)
Place cover grids (81266) evenly and in the correct position.
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Push connecting rods (81269) through the lugs of the cover grids (81266).
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Connect the connecting rods (81269) with the screws (81272). When tightening the
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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
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Screw
81272
Table 17: Tightening torque (81272)
Fit the lock nuts (81273) on the screw (81272). Observe tightening torque.
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Lock nut
81273
Table 18: Tightening torque (81273)
If present: Fit the filter ring (81265)
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© Copyright 2022 ABB. All rights reserved.
Tightening torque [Nm]
Tightening torque [Nm]
(see Fig. 32: Cleaning the filter silencer
HZTL4032_EN
20
40
→70).
Rev.S February 2022