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SAFETYOPERATIONMAINTENANCE SETUP
Changing Drill Speed
Before changing drill speeds, make sure the
machine is switched OFF and UNPLUGGED.
1. Open the Pulley Cover.
2. Loosen the Motor Tension Knob (32) on the
Headstock, and move the Motor (26) towards the
Headstock to relieve tension on the Belt (42).
Motor Tension
Knob (32)
Motor (26)
Pulley
Cover (34)
3. Consult the chart below and position the
Belt on the Pulleys (37, 38) 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.
Deflection
Distance
Figure A: Belt Deflection
Note: If the belt is too long to be properly
tensioned, it must be replaced.
Speed Range
(RPM)
WOOD ALUMINUM / ZINC / BRASS IRON / STEEL
inch mm inch mm inch mm
2000-3500 3/8 9.5 7/32 5.6 3/32 2.4
1400-2000 5/8 16.0 11/32 8.75 5/32 4.0
1000-1400 7/8 22.0 15.32 12.0 1/4 6.4
800-1000 1-1/4 31.75 11/16 17.5 3/8 9.5
200-800 1-5/8 41.4 3/4 19.0 1/2 12.5
750 RPM
Spindle Motor
1100 RPM
Spindle Motor
1500 RPM
Spindle Motor
2100 RPM
Spindle Motor
3200 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.
Drill Bit Installation
1. Place Chuck Key into the side keyhole of the Chuck,
ensuring the key engages with the gear teeth.
2. Turn Chuck key counterclockwise
to open the chuck jaws.
3. 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.
4. Before tightening the Chuck, ensure that
the drill bit is centered within the jaws.
5. Tighten the Chuck securely with
the included Chuck Key.
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