GEM 4242 Operating Instructions Manual page 19

9.4 Assembling the stroke limiter (linear actuator)
7.1
1
2
3
4
7.2
5
Option1
9
8
6
1 Stroke limiter
2 Nut
1)
3 Seal
1)
4 Disc
2)
5 Distance piece
6 Actuator spindle
1) Only available for valves with the NO and DA control functions.
2) Only included in required mounting kits. The design depends on the valve.
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1. Screw distance piece 5 onto/into actuator spindle
6.
2. Move the actuator to the closed position.
3. Insert the O-ring 7.1 in the stroke limiter 1.
4. Insert the O-ring 7.2 in the washer 4.
5. Screw stroke limiter 1 with nut 2, seal 3 and washer
4 into the actuator opening.
6. Set stroke limiter 1 to the required stroke.
5
7. Make sure that the minimum stroke is reached.
8. Secure stroke limiter 1 with nut 2.
Option2
Key
1)
7.1 O-ring
1)
7.2
8 Protective cap
9 Position indicator
10 Operating bush
11 Spindle
12 Travel sensor
19 / 36
9 Assembly and installation
GEMÜ 4242
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