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10 Assembly and installation
10.2.3 Assembling the stroke limiter (linear actuator)
7.1
1
2
3
4
7.2
5
Option2
Option1
9
8
6
1
Stroke limiter
2
Nut
3
1)
Seal
4
1)
Washer
5
2)
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 1242
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
5. Screw stroke limiter 1 with
nut 2, seal 3 and washer 4
into the actuator opening.
6. Set stroke limiter 1 to the re-
quired stroke.
7. Make sure that the minimum
stroke is reached.
8. Secure stroke limiter 1 with
nut 2.
Key
7.1
1)
O-ring
1)
7.2
8
Protective cap
9
Position indicator
10
Operating bush
11
Spindle
12
Travel sensor
10.2.4 Assembling and installing the electrical position
indicator (linear actuator)
Danger of explosion
▶ Risk of death or severe injury.
●
●
1. Move the actuator to the OPEN position.
2. Guide the product as far as it will go into the actuator
opening, the adapter 3 (see "Assembling the adapter (lin-
ear actuator)", page 15) or the stroke limiter 1 (see "As-
sembling the stroke limiter (linear actuator)", page 16),
and screw it in clockwise against the initial spring tension.
3. Use the spanner flat of the travel sensor to tighten the
product.
4. Turn the housing clockwise to align the pneumatic or elec-
trical connections.
5. Initialize the product.
Incorrect installation of the product.
▶ Damage to the housing.
Only tighten the product using the spanner flats provided
●
for this purpose.
16 / 41
DANGER
Do not use the product as a step or
foothold.
Prior to commissioning, ensure that
the cover is fully closed and that the
housing and the O-ring are not dam-
aged.
CAUTION
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