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17 Inspection/maintenance
17.2 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.
17.2.1 Removing the actuator from the ball valve body
1. Disconnect the actuator A from power supply .
2. Unscrew the hexagon screws 3.
3. Do not lose the washers 2.
4. Remove the actuator A from the ball valve body 1.
GEMÜ B54
DANGER
17.2.2 Disassembling the ball valve body
1
1. Use appropriate protective gear as specified in plant oper-
ator's guidelines.
2. Shut off plant or plant component.
3. Secure against recommissioning.
A
4. Depressurize the plant or plant component.
5. Fully unscrew the nuts 1.
6. Pull out the bolts 3.
7. Remove the ball valve 2.
Important:
▶ Clean all parts of contamination (do not damage the
parts during cleaning) following removal. Check parts for
potential damage; replace if necessary (only use genuine
parts from GEMÜ).
1
17.2.3 Replacement of spare parts
If a spare part must be replaced, it is recommended to
●
2
likewise replace all spare parts included in the wearing
parts kit.
3
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3
2
NOTICE
NOTICE
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