Operation Manual / A170-M.. - A175-M..
7 Periodic maintenance / 7.2 Cleaning the filter silencer
© Copyright 2022 ABB. All rights reserved. HZTL4033_EN Rev.K January 2022
7.2 Cleaning the filter silencer
Fig.26: Cleaning the filter silencer
81135 Filter silencer body 81266 Cover grid
81136 Absorption segment 81269 Connecting rods
81137 Sheet-metal covering 81272 Screw
81265 Filter ring (if present) 81273 Lock nut
If present: Clean the filter ring(81265)
u Remove the filter ring.
u Clean the filter ring as required or every 500 hours of operation, and replace it 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 with water and mild detergent or, in the case of heavy contamination,
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.
Dismantling and cleaning the cover grid(81266)
u Loosen and remove lock nuts (81273).
u Loosen and remove screws (81272) to the connecting rods (81269).
Have damaged connecting rods replaced by an ABB Turbocharging Service Station.
u Remove connecting rods (81269).
u Remove and clean cover grid (81266).
Page 54 / 146
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