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G9969 Radial Drill Press
4. Locate the desired speed on the speed chart
under the belt cover and move the V-belts
to the desired V-grooves on the motor, idler,
and spindle pulleys.
For Example: As indicated in the speed
chart (Figure 22), a belt combination of A-2
creates 540 RPM
.
Note: Both belts may have to be removed
before certain speed changes can be made.
5. Slide the motor back into its original position
to place tension on the belts.
6. Tighten the belt tension lock knob.
7. Close the cover before plugging in the
machine.
Figure 22. A-2 pulley combination for 540 RPM.
Spindle
Pulley
Idler
Pulley
Motor
Pulley
A-2
Figure 20. Loosening lock knob (both sides).
Figure 21. Using the belt tension lever.
The belts in the head of the drill press must be
rearranged to change speeds. A chart under the
belt cover shows the belt positions needed to
make the drill press run at the desired speed.
To change speeds
:
1. UNPLUG THE DRILL PRESS!
2. Loosen the belt tension lock knobs (Figure
20), on both sides of the headstock, so the
motor is free to move.
Changing Speeds
3. Rotate the belt tension lever counterclock-
wise, as shown in Figure 21, to take tension
off the V-belts
.