GEM F60 Operating Instructions Manual page 20

13 Inspection/servicing
7. Tighten the motor on the cover with a wrench.
ð If the valve is firmly welded into the plant, the motor
can be tightened with the wrench.
ð If it is not installed, the valve must be clamped in a
vice (with aluminium jaws) before the motor can be
tightened.
8. Tighten the grub screw in the opening protection.
9. Connect the controller.
10. The valve can be commissioned.
13.3 Replacing the plug diaphragm
13.3.1 Removing the plug diaphragm
Use of incorrect spare parts!
▶ Damage to the GEMÜ product.
▶ Manufacturer liability and guarantee will be void.
Use only genuine parts from GEMÜ.
●
1. De-energize the actuator (unplug it from the controller).
2. Remove the actuator from the valve body.
ð If the valve is firmly welded into the plant, the actuator
can be unscrewed with a hook wrench.
ð If it is not installed, the valve must be clamped in a
vice (with aluminium jaws) before the actuator can be
unscrewed.
3. Carefully remove the unscrewed actuator from the valve
body.
4. Unscrew the plug diaphragm from the cartridge by hand
by turning it anticlockwise and dispose of it in line with
regulations.
GEMÜ F60
CAUTION
13.3.2 Mounting the plug diaphragm
1. Screw the plug diaphragm onto the male thread of the
cartridge by turning it clockwise and tighten it until it is
hand tight.
2. Mount the actuator on the valve body.
ð If the valve is firmly welded into the plant, tighten the
actuator with a hook wrench.
ð If it is not installed, the valve must be clamped in a
vice (with aluminium jaws) before the actuator can be
tightened.
3. Connect the controller.
4. The valve can be commissioned.
13.4 Cleaning the product
– Clean the product with a damp cloth.
Do not clean the product with a high pressure clean-
–
ing device.
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