GEM B56 Operating Instructions Manual page 42

17 Inspection/maintenance
SN M
8. Loosen bolts SN with nuts M and remove with seals D.
9. Remove the ball valve from the piping.
4 6 5 2
10. Remove screwed in side piece 2 of the ball valve:
- Insert a suitable tool into the holes 2a.
- Unscrew the side piece 2.
▶ DN 100: Seal 4 non existent.
11. Remove seals 4, 5 and front seat seal 6 from main part of
ball valve.
GEMÜ B56
D SN
M
Side view
2
NOTICE
12. Move the ball to the closed position.
13. Remove the ball 3 and the rear seat seal 6.
2a
14. Press shaft carefully into the body and remove it.
9
15. Remove seals 9 upwards from the ball valve.
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