5 Maintenance
Study the instructions carefully. The items refer to the parts list and service kits section.
Handle scrap correctly.
LKB UltraPure: For ISO, DIN and ASME tubes.
5.2
Dismantling the valve
Step 1
Valve with actuator:
1. Remove screws and nuts (6).
2. Remove the bracket with the actuator.
TD 403-093
Step 2
Valve with handle:
1. Remove the complete handle.
2. Remove screws and nuts (6).
TD 403-094
Step 3
Remove seal ring (5) together with valve disc (2).
TD 403-096
Step 4
Remove bushes (3, 4) from the disc stems.
TD 403-096
Step 5
Remove valve disc (2) from seal ring (5).
NOTE!
For the valve sizes 25-38 mm and DN25-40 it is recommended
to remove the valve disc by using a special service tool (item no.
9611981090)
TD 403-097
17
