BobsCNC REVOLUTION, Assembly Manual

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5b After placing a Bearing Retainer Washer on to the shaft of
the M4 x 40 Hex Cap Screw, slide the Screw through the
intersection of the helical grooves as shown below.
.
The Chuck is designed to allow the two Chuck Plates to
counter rotate. As the Plates rotate, the Grippers are
guided along the helical cutouts either inward toward
the shaft or outward to secure or release a workpiece.
If the Lock Nuts securing the Grippers are too tight the
Plates will not slide against each other.
TIP
T