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5 Maintenance
Read the instructions carefully.
The items refer to the parts list and service kits section.
Handle scrap correctly.
LKB-F: with flange connection.
5.4 Dismantling of valve - LKB-F
S
Stteepp 11
1. Loosen the two upper screws and nuts (6).
2. Loosen and remove the two lower screws and nuts (6).
3. Remove the valve unit from flanges (7).
S
Stteepp 22
1. Remove the two upper screws and nuts (6), (4 nuts).
2. If supplied, remove the actuator from the valve body unit.
3. If supplied, loosen the screw and remove the handle from the
valve body unit.
S
Stteepp 33
1. Loosen and remove the two centre screws and nuts (6).
2. Remove seal ring (5) together with valve disc (2).
3. Remove flange seal rings (8).
S
Stteepp 44
Remove bushes (3,4) from the disc stems.
TD 403-096
S
Stteepp 55
Remove valve disc (2) from seal ring (5).
N
NO
OTTE
E!!
For 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
22