Operation Manual / A170-M.. - A175-M..
7 Periodic maintenance / 7.2 Cleaning the filter silencer
© Copyright 2021 ABB. All rights reserved. HZTL4033_EN Rev.I November 2021
Cleaning the absorption segments(81136)
u Pull out and bend up the sheet-metal coverings(81137), and remove the absorption seg-
ments(81136).
u Clean the absorption segments.
When cleaning, note that the absorption segments may only be cleaned lightly with pres-
surized 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
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 If the cleaning container is present on the filter silencer: Reinstall the water injection pipe.
CAUTION
Penetration of dirt and foreign particles
Any penetration of dirt and foreign particles into the compressor can dam-
age it.
u Fit the connecting rods (81269) correctly in the slots on the filter silencer
body (81135).
u It must not be possible to rotate or move the cover grid (81266) after as-
sembly.
u Check the position and alignment of the connecting rods during and after
assembly.
Fig.27: Cleaning the filter silencer (2)
u Place cover grids(81266) evenly and in the correct position.
u Push connecting rods(81269) through the lugs of the cover grids(81266).
u Connect the connecting rods(81269) with the screws(81272). When tightening the
screws(81272), make sure that the flattened ends of the connecting rods(81269) are cor-
rectly positioned on the edge of the filter silencer body(81135).
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