Operation Manual / A130-H.. - A140-H..
7 Periodic maintenance work / 7.2 Cleaning components mechanically
© Copyright 2021 ABB. All rights reserved. HZTL4030_EN Rev.G July 2021
Cleaning the absorption segments
(see Fig.28: Cleaning the filter silencer →62)
u Loosen the tension bands (81270).
u Remove the cover grid (81266).
u Pull out and bend up the sheet-metal coverings (81137), and remove the absorption seg-
ments (81136).
u Clean the absorption segments (81136).
When cleaning, note that the absorption segments (81136) must only be cleaned lightly
with compressed air, a soft brush or a moist cleaning cloth.
u Have any heavily contaminated absorption segments replaced by an ABB Turbocharging
Service Station.
Fitting the filter silencer
(see Fig.28: Cleaning the filter silencer →62)
u Insert the absorption segments (81136) into the sheet-metal coverings (81137).
u Bend the sheet-metal coverings (81137) back to their original shape and insert into the
slotted guides in the filter silencer body (81135).
u Fit the cover grid (81266).
u Fit the tension bands (81270) and tighten them at the locks (81271).
u Any tension bands that have become damaged must be replaced.
u Fit the filter ring (81265), if present.
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