Operation Manual / A150-M56/66/57/67 - A155-M..
7 Periodic maintenance work / 7.5 Changing the absorption element
© Copyright 2021 ABB. All rights reserved. HZTL4032_EN Rev.Q January 2021
Installing the absorption element
Fig.36: Installing the absorption element
Product 81152 [Nm] 81154 [Nm]
A155-M 50 10
Table18: Tightening torque (81152 / 81154)
1. Fit the new absorption element(81148) and flanges(81145 / 81146) with roll pins(81151)
and socket screws(81154).
Tighten socket screws(81154) crosswise. Observe the tightening torque.
2. Check value X = 15 mm +/- 0.1 mm along the circumference at four points (0°, 90°, 180°
and 270°).
If value X is not satisfied, unscrew the socket screws(81154) and repeat step one.
3. Fit the mounting plate(81149) with washers(81153) and hexagon-head screws(81152).
Observe the tightening torque.
4. Remove the filter silencer (see Fig.82: Installing the uncoupled filter silencer (see
Table55: Tightening torque (72054) →129).
Page 77 / 194
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