Replacement Of Spare Parts; Removal From Piping; Disposal - GEM B24 Operating Instructions Manual

15 Removal from piping

14.2 Replacement of spare parts

If a spare part must be replaced, it is recommended to
●
likewise replace all spare parts included in the wearing
parts kit.
12
11
10
7
3
8
6
2 4 1 4
1. Unscrew the upper spindle nut 12.
2. Lifting upwards, remove the hand lever A and washer 11.
3. Bend the tab of the lock washer 7.
4. Unscrew the lower spindle nut 10.
5. Remove the spring washers (2 x) 3 and the stainless steel
sleeve 13.
6. Unscrew the nuts 16 from the flange connecting bolts.
7. Remove the lock washers, pull out the bolts, and carefully
remove the flange 2 from the ball valve body 1.
8. Remove the flange seals 5 and seat seals 4 from the ball
valve body.
9. Turn the ball 15 with the spindle 14 to the "closed" posi-
tion and remove the ball from the ball valve body with a
slight rotating movement.
10. From outside, carefully press the spindle into the ball valve
body and remove.
11. Remove the V-ring spindle packing 8 and 9.
12. Replace the conical spindle seal 6 and reinsert the spindle
into the ball valve body.
13. Push the new V-ring spindle packing 8 and 9, the stainless
steel sleeve 13, the spring washers 3 and the lock washer
7 onto the spindle and tighten the lower spindle nut 10 un-
til hand-tight.
14. Bend the tab of lock washer 7 upwards.
15. Turn the spindle so that the ball actuator runs alongside
the direction of piping, and push the ball 15 onto the ball
actuator with a slight rotating movement.
16. Insert the seat seals 4 and flange seals 5 from both sides.
GEMÜ B24
NOTICE
A
13
9
14
15
16
2
17. Position the flange 2 on both sides, push the flange con-
necting bolts through the flange holes, attach the lock
washers and tighten the nuts evenly (diagonally in several
cycles).
18. To disassemble, re-attach the hand lever A in reverse or-
der.
19. When doing so, ensure that the ball position and actuator
position are in correct alignment with the initial position
before disassembly.
Tightening torques for upper spindle nut item 12
Nominal size
DN8
DN10
DN15
DN20
4
DN25
5
DN32
DN40
DN50
DN65
DN80
DN100
15 Removal from piping
1. Remove the clamp or screw connections in reverse order
to installation.
2. Remove welded or solvent cemented connections using a
suitable cutting tool.
3. Observe the safety information and accident prevention
regulations.

16 Disposal

1. Pay attention to adhered residual material and gas diffu-
sion from penetrated media.
2. Dispose of all parts in accordance with the disposal regu-
lations/environmental protection laws.
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Torque
9
9
9
9
15
15
25
25
30
30
40
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