TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
SOLUTION
Noisy operation
Incorrect belt tension
Adjust the belt tension (See p. 17).
Dry spindle
Lubricate the spindle.
Loose spindle pulley
Tighten the set screws on the side of the spindle
pulley.
Loose motor pulley
Tighten the set screws on the side of the motor
pulley.
The drill bit burns
or smokes
Drilling at the incorrect speed
Change the speed (See Fig. 15 on p. 16).
The wood chips are not coming
out of the hole
Retract the drill bit frequently to clear the chips.
Dull drill bit
Resharpen or replace the drill bit.
Feeding the workpiece too slowly Feed fast enough to cut the workpiece
Not lubricated
Lubricate the drill bit with cutting oil or motor oil.
Excessive drill run
out or wobble;
drilled hole is not
round
Bent drill bit
Replace the drill bit.
Bit improperly installed in the
chuck
Reinstall the drill bit (p. 15).
Worn spindle bearings
Bearings may need replacement.
Lengths of cutting flutes or angles
not appropriate for the hardness
of the wood grain
Resharpen the drill bit correctly or replace with the
appropriate type.
Chuck not properly installed
Reinstall the chuck (p. 13).
Drill bit binds in the
workpiece
The workpiece is pinching the bit Support or clamp the workpiece (p. 18).
Excessive feed pressure
Feed more slowly.
Spindle returns
too slowly or too
quickly
Coil spring has improper tension
Adjust the coil spring tension.
Chuck falls off
spindle
Dirt, grease, or oil on the tapered
surface on the spindle or in the
chuck
Clean the tapered surface of both the chuck and
spindle with acetone or lacquer thinner.
Motor will not run
Defective or broken switch
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Defective or damaged power cord
Open circuit, loose connections,
or burned out motor
Low voltage
Check the power line for the proper voltage. Use
another circuit or have a qualified electrician up-
grade the service.
Motor stalls
Short circuit in motor
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Incorrect fuses or circuit breakers Replace with correct fuse or circuit breaker for the
circuit.
Overloaded circuit
Turn off other machines and retry.
Low voltage
Check the power line for the proper voltage. Use
another circuit or have a qualified electrician up-
grade the service.
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