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This is an instructional manual which provides general installation, operation, and maintenance for Diamond Gear manual worm gear operators. Diamond Gear worm operators are designed to be used on ball, butterfly, plug, and damper applications; generally for 90 degree applications. Diamond Gear operators are designed to transmit the rated output torque by transmitting input force through the input shaft by the handwheel or other input device.
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Installation, Maintenance, & Operation Manual ETTING DJUSTMENT CREWS 1. Rotate the handwheel to move the valve to the fully closed position. Set the adjustment screw by turning it clockwise until you feel it hit the segment inside the gear then lock the adjustment screw by using the lock nut provided.
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& Operation Manual TORAGE Diamond Gear operators don’t have a “shelf life” but ensure that the gears are ready when you are DGC recommends they be stored in a clean, dry area protecting the input shafts and output bores from getting damaged.
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