Operation Manual / Power2 850-M / 4 Product description
6 Periodic maintenance / 6.4 Cleaning the filter silencer
© Copyright 2020 ABB. All rights reserved.
HZTL4061_EN
Rev.D
March 2020
81136
Absorption segment
81270
Tension band
81137
Sheet-metal covering
81271
Lock
81265
Filter ring
Cleaning the filter ring (if present)
u
Remove filter ring (81265).
u
Clean filter ring (81265) as required or every 500 hours of operation and replace after the
fifth cleaning process at the latest.
Contamination of the filter ring depends on the degree of purity of the sucked-in air.
u
Rinse the filter ring (81265) with water and mild detergent or, in the case of heavy con-
tamination, soak and carefully push through. Rinse in cold water. Avoid high mechanical
loads (water jet).
u
Let the filter ring dry completely before assembling.
u
Dirty water and mild detergent must be disposed of in compliance with locally applicable
regulations.
Cleaning the absorption segments
(see Fig. 23: Cleaning the filter silencer
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. 23: Cleaning the filter silencer
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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