Section 4: Manual Actuator Operation Under Maintenance; Manual Operation - Emerson Bettis RTS Service Manual

Service Manual
VCIOM-16909-EN Rev. 0
Section 4: Manual Actuator Operation
4.1

Manual Operation

The manual operation is only possible if the actuator is delivered with the optional handwheel. This
option allows an adjustment of the valve in de-energized state.
CAUTION
!
•
•
NOTE:
The manual mode can be activated only when the drive is in the fail-safe position.
Figure 3
9. Handwheel
10. Coupling Rod
11. Padlock
Manual Actuator Operation Under Maintenance

Section 4: Manual Actuator Operation Under Maintenance

Under Maintenance
By activating the manual drive, the fail-safe function is disabled.
By activating the manual drive, the electrical function of the drive is disabled.
In normal operation, the handwheel (9) has no effect, it rotates idly by.
Manual handwheel operation
October 2021
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