Calibration steps MOV AUMA SA/SAR 07.2-16.2
1. Position the selector switch to position '0'.
2. Open the cover of the MOV switch, then remove the disc indicator.
3. Full close the valve manually using the handwheel, if it is full close, turn the handwheel back 1 turn.
4. Mark the stem valve / gearbox by using a marker.
5. Set the limit switch close.
6. Press and rotate the spindle close setting according to the direction of the switch close, observe the pointer on the switch, until the pointer turns 90°.
7. If the pointer has changed 90°, continue to rotate the spindle setting slowly until the pointer is in accordance with the mark point, then the limit switch close setting is complete.
8. Full open the valve manually using the handwheel, if it is fully open, turn the handwheel back 1 turn.
9. Mark the stem valve / gearbox by using a marker.
10. Set the limit switch open.
11. Press and rotate the spindle open setting according to the direction of the switch open, observe the pointer on the switch, until the pointer turns 90°.
12. If the pointer has changed 90°, continue to rotate the spindle setting slowly until the pointer is in accordance with the mark point, then the limit switch open setting is complete.
13. Check whether the rotation of the motor is correct by manually positioning the valve using the handwheel until the middle, do open / close with the motor and observe the movement of the valve.
14. If the motor rotation is correct, perform a local open-close test using the motor.
15. Perform open-close remotely from the Control Room.
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