ABB A150-M67 Operation Manual page 87

Operation Manual / 4 Product description / A150-M56/66/57/67 -
A155-M..
6 Periodic maintenance work / 6.5 Changing the absorption element
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
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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(see Fig. 41: Removing the uncoupled filter silencer
HZTL4032_EN
→78).
Rev.P March 2020