Installation Instructions
WTR Installation & Maintenance Manual 330-15000 • Revision A • August
4. Re-tighten Locking Nut (piece #14/#23) to secure the Mechanical Stop Screw.
Set OPEN Mechanical Stop:
1. Setscrew (piece #13/#22): loosen the Locking Nut (piece #14/#22, 23); back off the
Mechanical Stop Setscrew (piece #13/#22) to allow the valve to travel to the fully OPEN
position.
2. Using the Handwheel, turn the valve to the OPEN position. The valve must be fully
seated in the OPEN position before setting the OPEN mechanical stop.
NOTE: If the actuator is motor-operated, engage the Declutch Lever to put the electric
actuator in the manual mode. Use the electric actuator Handwheel for manual operation.
3. Rotate the Mechanical Stop Setscrew (piece #13/#22) in the clockwise direction until
contact is made with the Worm Gear Quadrant.
4. Retighten Locking Nut (piece #14/#23) to secure the Mechanical Stop Screw.
4-7
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