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16.2 General information regarding actuator
replacement
The following tools are required for actuator replacement:
Open-end wrench
●
Ring wrench
●
● Check the position of the ball indicated by the groove SZ
and compare with position indicator, rotate ball valve to
correct position if necessary.
ð Groove transverse to piping direction:
Ball valve closed.
ð Groove in piping direction:
Ball valve open.
▶ For flanged bodies, the actuator is fitted offset by 90°.
16.3 Replacing the actuator
Risk of electric shock
▶ Risk of injury or death (if operating
voltage is higher than safe extra low
voltage).
▶ Adjustments are made with the actu-
ator cover removed.
▶ Electric shock can cause severe burns
and fatal injury.
Always disconnect the product from
●
power supply!
Therefore, have all work performed
●
only by qualified electricians.
www.gemu-group.com
NOTICE
SZ
NOTICE
DANGER
16.3.1 Removing the actuator
Attention!
Only
actuate when
power is switched off
1. Disconnect the actuator from the power supply.
2. Remove the protective caps 30.
3. Unscrew the hexagon screws 32.
4. Do not lose the washers 31.
5. The actuator A can be removed from the ball valve body.
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16 Inspection/maintenance
Manual override
A
SW3
31
32
GEMÜ 768
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