ABB HT597611 - Changing the Absorption Element; Fig. 29: Disassembling the Absorption Element

Operation Manual / 4 Product description / A150-M56/66/57/67 -
A155-M..
6 Periodic maintenance work / 6.5 Changing the absorption element
© Copyright 2020 ABB. All rights reserved. HZTL4032_EN Rev.P March 2020
6.5 Changing the absorption element
The absorption element(81148) in uncoupled filter silencers must be replaced every 12000
hours of operation.
Disassembling the absorption element
Fig.29: Disassembling the absorption element
1. Remove the filter silencer (see Fig.41: Removing the uncoupled filter silencer →78).
2. Dismantle the hexagon-head screws(81152) with washers(81153) and mounting
plate(81149).
3. Remove the socket screws(81154), roll pins(81151), flanges(81145 / 81146) and absorp-
tion element(81148).
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