5 Maintenance
Study the instructions carefully.
The items refer to the parts list and service kits section.
5.8
Dismantling of change-over (NO) maintainable actuator
If the actuator is marked with a danger warning, do NOT attempt to cut the actuator open.
See also section
DO NOT DISASSEMBLE
kg
!
SPRING UNDER LOAD
Do not attempt to cut open
kg
!
Do NOT attempt to disassemble the actuator due to spring
under load danger!
Do NOT attempt to cut the actuator open due to spring
under load danger!
Changing of wear parts
1. Rotate cylinder (1).
2. Remove lock wire (10) and pull away cylinder (1). This can be done by careful using air on fitting (12).
3. Remove O-ring (11) from bottom (15).
4. Remove piston (2) together with support disk (16), thrust plate (53) and O-ring (3) .
5. Remove spring assembly (14).
6. Unscrew nuts (18) and remove yoke (13).
7. Unscrew bottom bushing (6) and remove O-ring (8).
8. Remove seegering lock ring (57) using a seegering-tang tool.
9. Push piston (52) out of cylinder (1) using air on fitting (12) and remove O-rings (3+60) together with spacer ring (56).
Spacer ring (56) are only mounted on GR.3 actuator (diameter = ø154) type normally open.
10. Remove guide ring (58) and O-ring (7).
11. Guide (54) is screwed on top of cylinder (1) and should only be dismantled if guide (54) is broken.
If guide (54) has to be dismantled loosen nut (55). With a special tool it now is possible to dismantle guide (54).
This is shown in 4.8.
Rotate cylinder with service tool!
2200-0083
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