Harbor Freight Tools 03670 User Manual
Page 10
ASSEMBLY AND OPERATING INSTRUCTIONS
NOTE: For additional information regarding the parts listed in the following pages, refer
to the Assembly Diagram on page 14.
SKU 03670
PAGE 10
Chuck
Belt Hanger
Trigger
Tool Hanger Loop
Lock Button
Torque Adjustment
Power Cord
FIGURE 1
Directional Switch
Level
Refer to FIGURE 1 and 2.
Warning! Always unplug the unit when changing bits.
Warning! After drilling or driving screws, the bit will be extremely hot. Do not touch it
until it has had ample time to cool down.
1. To load a bit, hold the back end of the Chuck (#5)
with one hand, while turning the front end counter-
clockwise to open the jaws.
2. Insert the bit.
3. Hold the back end of the Chuck (#5) with one hand,
while turning the front end clockwise to close and
tighten the jaws around the bit shank.
4. With heavy leather gloves on, tug on the bit and
make sure it is securely attached. Check that it is
straight.
Note: Always use sharp bits. Dull or damaged bits may cause undue stress on the drill and
possibly break causing injury. Bits are available at Harbor Freight Tools.
Loading Bits
FIGURE 2
Back End
Front End