ABB HT562624 Operation Manual page 83

Operation Manual / 4 Product description / A150-M.. - A155-M..
6 Periodic maintenance work
Cleaning the absorption segments
(see Figure 22)
Loosen the tension bands (81270).

Remove the cover grid (81266).

Pull out and bend up the sheet-metal coverings (81137), and remove the absorption seg-

ments (81136).
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.
Have any heavily contaminated absorption segments replaced by an ABB Turbocharging

Service Station.
Fitting the filter silencer
(see Figure 22)
Insert the absorption segments (81136) into the sheet-metal coverings (81137).

Bend the sheet-metal coverings (81137) back to their original shape and insert into the

slotted guides in the filter silencer body (81135).
Fit the cover grid (81266).

Fit the tension bands (81270) and tighten them at the locks (81271).

Any tension bands that have become damaged must be replaced.

Fit the filter ring (81265), if present.

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Revision F January 2017