beautypg.com

Speed change – Grizzly G7946 User Manual

Page 14

background image

-12-

G7945/46 Radial Drill Press

SECTION 5: ADJUSTMENTS

Unplug the drill press before changing
speeds.

The drill press has 5 speeds ranging

from 550 to 3470 R.P.M. There is a speed chart
located under the belt guard. Refer to this chart
when setting a speed.

1.

Loosen the belt tension lock knob on the side
of the headstock. See

Figure 10

.

2.

Pivot the motor to take tension off the V-belt.

3.

Determine the desired speed on the chart
and move the V-belt to the desired V-
grooves on the motor and spindle pulleys.

4.

Pivot the motor toward the back of the head-
stock, the motor support rod is spring loaded
and will follow the motor. Tighten the lock
knob once the desired V-belt tension is
achieved.

5.

Close the cover.

Never operate drill press
with belt cover in the
open position. Your hand
may become trapped in a
belt and serious personal
injury will occur.

Speed Change

Figure 10.

Loosening the lock knob.

Disconnect power to the
machine when perform-
ing any maintenance,
assembly or adjust-
ments. Failure to do this
may result in serious
personal injury.

Wear safety glasses
during the entire adjust-
ment process. Failure to
comply may result in
serious personal injury.

Keep loose clothing
rolled up and out of the
way of machinery and
keep hair pulled back.