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Changing Drill Speed
Before changing the speeds, make sure the
machine is switched OFF and UNPLUGGED.
1. Open the pulley cover.
2. Loosen the Motor Tension Knob (10) on the
Headstock (42), and move the Motor (14) towards
the Headstock to relieve tension on the Belt (59).
Lamp
(34)
Light Bulb (73)
Figure F: Motor Tension Knob location
760 RPM
Spindle
Motor
The table above shows the belt arrangements for given drill speeds.
A full chart is also located on the inside of the pulley cover.
Light Bulb Installation
1. To prevent injury, allow the old
Light Bulb (73) to cool completely first.
2. Remove the old Light Bulb (73) from the
Lamp (34) and dispose of it properly.
Drill Bit Installation
1. Insert the drill bit into the jaws of the Chuck
approximately 1", ensuring that the jaws
do not touch the flutes of the drill bit.
Item 60238
Motor Tension
Knob (10)
1150 RPM
Spindle
Motor
Spindle
Figure H: Drill Speed Table
For technical questions, please call 1-800-444-3353.
3. Consult the chart below and position
the Belt (59) on the Pulleys (16, 60)
according to the desired drill speed.
4. When the Belt has been correctly positioned, tighten
it by pushing the Motor away from the Headstock until
the belt deflects by approximately 1/2" at its center
when using reasonable thumb pressure. Lock this
position in with the Motor Tension Knob (10).
Deflection
Distance
Figure G: Belt Deflection
Note: If either belt is too long to be properly
tensioned, it must be replaced.
1630 RPM
2180 RPM
Motor
Spindle
3. Install a new Light Bulb of the same type and rating.
(E14 base, 120V, 15W)
WARNING! TO PREVENT SERIOUS INJURY
FROM FIRE: Do not install a different style Light Bulb
or a Light Bulb with a higher wattage rating.
2. Before tightening the Chuck, ensure that
the drill bit is centered within the jaws.
3. Tighten the Chuck securely with
the included Chuck Key.
3070 RPM
Motor
Spindle
Motor
Page 9
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