ABB A155-M57 Operation Manual page 79

Operation Manual / 4 Product description / A150-M56/66/57/67 -
A155-M..
6 Periodic maintenance work / 6.4 Cleaning components mechanically
Cleaning the absorption segments
(see Fig. 25: Cleaning the filter silencer →48)
Loosen the tension bands (81270).
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Remove the cover grid (81266).
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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 (81136).
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When cleaning, note that the absorption segments (81136) must only be cleaned lightly
with compressed air, a soft brush or a moist cleaning cloth.
Have any heavily contaminated absorption segments replaced by an ABB Turbocharging
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Service Station.
Fitting the filter silencer
(see Fig. 25: Cleaning the filter silencer →48)
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.
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Fit the filter ring (81265), if present.
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© Copyright 2020 ABB. All rights reserved. HZTL4032_EN Rev.P March 2020