ABB HT843525 Operation Manual page 61

Operation Manual / 4 Product description / A100-L
6 Periodic maintenance / 6.2 Cleaning the filter silencer
Cleaning the filter ring (if present)
Remove filter ring (81265).
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Clean filter ring (81265) as required or every 500 hours of operation and replace after the
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fifth cleaning process at the latest.
Contamination of the filter ring depends on the degree of purity of the sucked-in air.
Rinse the filter ring (81265) with water and mild detergent or, in the case of heavy con-
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tamination, soak and carefully push through. Rinse in cold water. Avoid high mechanical
loads (water jet).
Let the filter ring dry completely before assembling.
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Dirty water and mild detergent must be disposed of in compliance with locally applicable
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regulations.
Cleaning the absorption segments
Loosen the tension bands (81270) at the locks (81271) and remove them along with the
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cover grid (81266) and connecting strips (81268)
ter silencer →32).
Pull out insert units (E).
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Bend up the sheet-metal coverings (81137) and remove the absorption segments (81136).
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Clean the absorption segments (81136).
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When cleaning, note that the absorption segments may only be cleaned lightly with pres-
surized air, with a soft brush or a moist cleaning cloth. Otherwise there is a danger of
damage or changing of the shape.
Replace heavily contaminated absorption segments (81136) and any damaged connecting
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strips (81268) with original parts from ABB.
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 into the original shape.
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Insert the insert units (E) into the slotted guides in the filter silencer body (81135).
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Fit the cover grid (81266) and connecting strips (81268) on the filter silencer body (81135).
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Guide the tension bands (81270) through the eyelets of the connecting strips (81268).
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Tighten the tension bands (81270) at the locks (81271).
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Any damaged tension bands must be replaced.
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Fit filter ring (81265), if present.
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(see Fig. 12: Layout and overview of fil-
HZTL4034_EN Revision K June 2017