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10.3 Mounting kit assembly
Item
Name
1
Spindle
2
Spring
3
Operating bush
4
Distance piece
5
O-ring
6
Adapter
* Included depending on version.
Pretensioned spring!
▶ Damage to the device.
Slowly release the tension in the spring.
●
Do not scratch the spindle!
▶ A damaged spindle surface may cause failure of the
travel sensor.
1
1. Pull out the spindle
2. Align the indentation of the distance
1.
piece 4 to the spring and push it over
the spindle 1 using the spring 2 and fix
it in place using the operating bush 3.
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Item
Name
7
Flange plate
8
Screws
9
Pressure disc*
10
O-ring*
11
O-ring*
CAUTION
CAUTION
1
4
2
3
3. Tighten the operat-
ing bush 3 by turning
it clockwise.
7
5. Attach the flange
plate 7
- Push in the spindle until it pushes against the spring and
then slowly release the pressure on the spring.
▶ For some valves (e.g. GEMÜ 650 and GEMÜ 687) it is ne-
cessary to fit a pressure disc between the threaded ad-
apter and the actuator head. This is included in the re-
quired mounting kits, sometimes with an additional O-ring
(only GEMÜ 650 with normally open and double-acting
control function – code 2+3).
▶ If the pressure disc does not have a groove for a seal, this
will already be inserted in the groove provided at the ad-
apter opening of the actuator head (e.g. GEMÜ 687 with
normally open control function – code 2).
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10 Assembly and installation
5
6
4. Affix the O-ring 5 and the adapter 6.
8
6. Screw the flange plate on tight using
screws 8 (1 – 1.5 Nm).
NOTICE
GEMÜ 4241
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