5 Maintenance
Study the instructions carefully. The items refer to the parts list and service kits section.
Handle scrap correctly.
NC = Normally closed. NO = Normally open. A/A = Air/air activated.
5.4
Dismantling of actuator
Step 1
1. Press end cap (5) into air cylinder (1).
2. Remove retaining ring (6).
Use a press or special tool (item no. 9611416791).
TD 403-099
Step 2
NC/NO actuator:
Release the pressure on end cap (5) carefully and remove the end
cap.
Pay special attention to the warning!
TD 403-100
Step 3
A/A actuator:
Remove end cap (5) by hand.
Pay special attention to the warning!
TD 403-101
Step 4
Remove piston (3) and the springs.
NOTE!
-
The actuator size ø133 mm has a caged spring assembly.
-
The air/air actuator has no springs.
TD 403-271
Step 5
Remove connex pin (16) and coupling (17) from rotating cylinder
stem (2).
TD 403-119
Step 6
Remove rotating cylinder (2) and the remaining internal parts from
air cylinder (1).
TD 403-120
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