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To change the drilling speed, do these steps:
1. UNPLUG THE DRILL PRESS!
2. Refer to the speed chart located under the
belt cover or refer to the “Drill Press RPM
Chart” on Page 18 and choose the desired
speed.
3. Loosen the v-belt tension lock. See Figure
27.
4. Pull the motor toward the front of the drill
press to remove tension from the V-belt.
5. Move the V-belt to the desired V-grooves
on the motor and spindle pulleys. See
Figure 28.
6. Push the motor toward the back of the
headstock, the motor pushrod rod is spring
loaded and will follow the motor. See
Figure 29.
7. Tighten the lock knob.
8. Tighten the lock screw, and make sure the
belt deflection is 1
1
⁄2" between both inner
sides when the belt is pinched together
between the pulleys. Refer to “Belt
Tension” in the ADJUSTMENTS section on
Page 13 for details.
9. Close the cover. The motor will not start
until the cover is closed.
Figure 27. Loosening the lock knob.
Figure 28. Adjusting belt to desired speed.
Figure 29. Motor support rod follows motor.
UNPLUG the drill press
before changing speeds
to avoid accidental start
up. Failure to do this
may result in serious
personal injury.
The Model W1667 8
1
⁄2'' Oscillating Drill Press
has 5 speeds ranging from 620 to 3100 RPM.
Refer to the speed charts located under the
belt guard while following the instructions
below.
Pushrod
ADJUSTMENTS
Drilling Speed