13.0
Troubleshooting the JDP-15F/15B
Table 3
Symptom
Possible Cause
Correction*
Drill press will not start
(power light is OFF).
Not connected to power.
Check plug connection.
Fuse blown, or circuit breaker tripped.
Replace fuse, or reset circuit breaker.
Cord damaged.
Replace cord.
Drill press will not start
(power light is ON).
Safety key removed.
Install safety key.
Switch malfunction.
Have switch tested and replaced if
needed.
Drill press does not
come up to speed.
Extension cord too light or too long.
Replace with adequate size and length
cord.
Low current.
Contact a qualified electrician.
Motor or spindle pulley out of balance.
Contact JET technical service.
Motor malfunction.
Have motor tested by a qualified service
center. Repair or replace as necessary.
Motor stalls.
Overfeeding the bit.
Lower bit more slowly.
Dull bit.
Sharpen or replace bit.
Motor not reaching running speed.
Have motor tested by a qualified service
center.
Motor malfunction.
Have motor tested by a qualified service
center. Repair or replace as necessary.
Noisy Operation.
Excessive vibration.
Tighten any loose parts. Drill press
should sit evenly on level floor. Secure
drill press to floor or plywood base.
Dry spindle.
Lubricate spindle.
Loose pulleys or belts.
Make any needed corrections. Verify
that belts are properly tensioned.
Noisy motor.
Check motor bearings or for loose motor
fan.
Wood splinters on
underside of work
piece.
No backing board used.
Place scrap board beneath work piece to
prevent splintering.
Drill or tool heats up or
burns work piece.
Excessive speed.
Reduce speed.
Chips not clearing from hole or bit.
Retract drill bit frequently to remove
chips.
Dull drill bit.
Resharpen, or replace drill bit.
Feeding bit too slowly.
Increase feed rate.
Drill bit wanders.
Bit sharpened incorrectly.
Resharpen bit correctly.
Bent drill bit.
Replace bit.
Bit or chuck not installed properly.
Reinstall chuck or bit.
Drill bit binds in work
piece.
Work piece pinching the bit.
Support or clamp work piece.
Excessive feed rate.
Lower bit more slowly into workpiece.
Speed setting too low for workpiece.
Consult chart for recommended speed.
Chuck jaws not tight.
Tighten chuck jaws.
Chuck won’t remain in
spindle.
Grease or dirt on spindle or chuck
tapers.
Clean tapers thoroughly.
*
WARNING:
Some corrections may require a qualified electrician.
14.0
Replacement Parts
Replacement parts are listed on the following pages. Having the Model Number and Serial Number of
your
machine available when you call will allow us to serve you quickly and accurately.
