Grizzly G0517g Installing Drill Chuck, Changing Speeds, To install the drill chuck

Installing Drill Chuck

The drill chuck fits on the arbor with a taper fit.

To install the drill chuck:

1.UNPLUG THE MILL/DRILL!

2.Prepare the mating surfaces on the arbor taper and the chuck by cleaning them thor- oughly.

3.Retract the chuck jaws all the way inside of the chuck.

4.Push the chuck onto the arbor taper, and using a wood block and hammer or mallet as shown in Figure 28, hit the chuck once with moderate force to secure it on the arbor.

Note: Hitting the chuck directly with a steel hammer may damage the chuck, making it unsafe to use.

Figure 28. Seating the chuck on the arbor.

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Changing Speeds

Belt positions on the pulleys govern the spindle speed. A chart under the belt cover shows the belt positions needed for each available speed.

To change speeds:

1.UNPLUG THE MILL/DRILL!

2.Loosen the lock knobs on each side of the headstock (Figure 29), and use the belt ten- sion lever to take tension off of the V-belts.

Belt Tension

Lever

Lock Knob

Figure 29. Loosening lock knob.

3.Find your desired speed on the speed chart (Figure 30) and move the V-belts to the indi- cated positions in the pulley grooves.

Figure 30. Speed chart.

4.Use the belt tension handle to tighten the V- belts, then tighten the lock knob and close the belt cover.

Model G0517 Mill/Drill