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17 Inspection/maintenance
3. Loosen the spindle nut 13 and remove.
4. Remove the screw locking device 12.
5. Remove the spring washers 11.
6. Remove the stainless steel sleeve 10.
KM
18
7. Loosen the nuts 19 of the flange bolts 18 of the ball valve
and remove with washers 20.
8. Remove the flange bolts 18.
9. Remove the centre section KM.
GEMÜ B52
13
12
11
10
10. Remove the sealing washers 5 and the seat seal 4 on both
11. Move the ball to the closed position b.
12. Remove the ball c.
20
19
13. Carefully press the spindle 7 into the body and remove.
46 / 55
4
5
sides of the ball valve.
b
5
4
c
7
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