NIBCO Circuit Balancing Valve 1710 - Manual (Page 3)

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CLOSED POSITION 0-0 SETTING
If for any reason the valve closed position reads other than 0-0, the following procedure should
be followed:
1. Operate the valve to the closed position.
2. Remove the access screw.
3. Remove the handwheel.
4. Twist the handwheel baseplate and handwheel grip until the decimal indicator displays
0-0, then refit the complete handwheel assembly onto the valve stem.
5. Refit the access screw.
6. Open and close the valve to confirm that the valve indicates 0-0 at the closed position.