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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)

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.25: Cleaning the filter silencer →48)

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.

Page 49 / 171

ABB HT604877 Instruction Manual

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