ABB HT611364 Operation Manual page 71

Operation Manual / A150-M56/66/57/67 - A155-M..
7 Periodic maintenance work / 7.4 Cleaning components mechanically
(see Fig. 31: Cleaning the filter silencer →68)
Dismantling and cleaning the cover grid (81266)
Loosen the tension bands (81270).
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Remove and clean cover grid (81266).
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Cleaning the absorption segments (81136)
Pull out and bend up the sheet-metal coverings (81137), and remove the absorption seg-
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ments (81136).
Clean the absorption segments.
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When cleaning, note that the absorption segments may only be cleaned lightly with pres-
surized air, a soft brush or a moist cleaning cloth.
Have any heavily contaminated absorption segment replaced by a Turbo Systems service
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station.
Fitting the filter silencer
Insert the absorption segments (81136) into the sheet-metal coverings (81137).
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Bend the sheet-metal coverings (81137) back to their original shape and insert into the
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slotted guides in the filter silencer body (81135).
Fit the cover grid (81266).
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Fit the tension bands (81270) and tighten them at the locks (81271).
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Any tension bands that have become damaged must be replaced.
Fit the filter ring (81265), if present.
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© Copyright 2022 ABB. All rights reserved. HZTL4032_EN Rev.S February 2022