2 BAR 70 en 19
10.8 Replacing wearing parts
Proceed as follows for replacing wearing parts (see Figure
28 up to Figure 36) :
1. Then dismantle the actuator (600) and the bracket (501)
by loosening the screws (502).
2. Swivel the on/off disc by 180°, so that the sealing ele-
ment is set free. Secure the on/off disc, for example
using wooden wedges to exclude risks of a crushing
hazard. Pay attention to the fact that you do not dam-
age the sealing surface of the on/off disc as a result. It is
recommended to dismantle the sealing element as
described in chapter 12.5 to avoid unintentional dam-
age to the sealing element.
Figure 28
Figure 29 Valve in 0° position
Figure 30 Valve swiveled by 180°
3. Loosen the screws (434) and remove the covers (430
and 437).
Drive side:
Figure 31 Cover is mounted
Figure 32 Cover removed
Rear side:
Figure 33 Cover is mounted
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