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10
7
3
8
6
1
2
4
4
1. Remove the actuator (see chapter "Removing the actuator
from the ball valve body").
2. Bend the tab of the lock washer 7.
3. Unscrew the spindle nut 10.
4. Remove the spring washers (2 x) 3 and the stainless steel
sleeve 11.
5. Unscrew the nuts 14 from the flange connecting bolts.
6. Remove the lock washers, pull out the bolts, and carefully
remove the flange 2 from the ball valve body 1.
7. Remove the flange seals 5 and seat seals 4 from the ball
valve body.
8. Turn the ball 13 with the spindle 12 to the "closed" posi-
tion and remove the ball from the ball valve body with a
slight rotating movement.
9. Press spindle 12 carefully from outside into ball valve
body and remove it.
10. Remove the V-ring spindle packings 8 (2x) and 9.
11. Replace the conical spindle seal 6 and reinsert the spindle
12 into the ball valve body.
12. Place the new V-ring spindle packings 8 (2x) and 9, the
stainless steel sleeve 11, the spring washers 3 and the
lock washer 7 on the spindle 12 and hand-tighten the
spindle nut 10.
13. Bend the tab of lock washer 7 upwards.
14. Turn the spindle so that the ball actuator runs alongside
the direction of piping, and push the ball 13 onto the ball
actuator with a slight rotating movement.
15. Insert the seat seals 4 and flange seals 5 from both sides.
16. 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).
17. Mount actuator A (see chapter "Actuator mounting on the
ball valve body"). When doing so, ensure that the ball posi-
tion and actuator position are in correct alignment with the
initial position before disassembly.
17.2.4 Installing the ball valve body
▶ Installation is performed in reverse order as for disas-
sembly (see chapter "Disassembling the ball valve body").
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11
9
14
12
13
2
NOTICE
17.2.5 Mounting the actuator on the ball valve body
4
5
1. Ensure that the groove at the square 2 of the ball valve is
in correct alignment with the marking 1 of the position in-
dicator, if necessary rotate the square to the correct posi-
tion.
2. Place the actuator A on the square and align, if necessary.
3. Hand-tighten the screws 4 with their washers 3.
4. Diagonally hand-tighten the screws 4 evenly.
39 / 43
17 Inspection/maintenance
A
1
2
3
4
GEMÜ B54
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