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10 Assembly and installation
10.4 Assembling the adapter (linear actuator)
With some mounting kits it is necessary to install an adapter as well. This adapter is enclosed with the required mounting kits.
Valves with a normally open and double acting control function (code 2+3) also include additional O-rings (1+2).
1. Move the actuator to the closed position.
2. Place O-rings 1 and 2 into adapter 3.
3. Screw adapter 3 into the actuator opening as far as it will go and tighten.
10.5 Assembling the stroke limiter (linear actuator)
7.1
1
2
3
4
7.2
5
Option 1
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.
GEMÜ 4241
1
3
2
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.
5
4. Insert the O-ring 7.2 in the washer 4.
Option 2
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.
7. Make sure that the minimum stroke is reached.
8. Secure stroke limiter 1 with nut 2.
Key
1)
7.1
O-ring
1)
7.2
8
Protective cap
9
Position indicator
10
Operating bush
11
Spindle
12
Travel sensor
16 / 27
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