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Troubleshooting
Trouble Probable Cause Remedy
Drill press will not
start.
1. Drill press unplugged from wall or
motor.
2. Fuse blown or circuit breaker
tripped.
3. Cord damaged.
4. Starting capacitor bad.
1. Check all plug connections.
2. Replace fuse or reset circuit breaker.
3. Replace cord.
4. Replace starting capacitor.
Drill press does not
come up to speed.
1. Extension cord too light or too long.
2. Low current.
1. Replace with adequate size and length
cord.
2. Contact a qualified electrician.
Drill Press vibrates
excessively.
1. Stand on uneven surface.
2. Bad belt(s).
1. Adjust stand so that it rests evenly on
the floor.
2. Replace belts.
Noisy Operation.
1. Incorrect belt tension.
2. Dry spindle.
3. Loose spindle pulley.
4. Loose motor pulley.
1. Adjust belt tension. See Chang-ing
Spindle Speeds on page 12.
2. Lubricate spindle. See Lubrication on
page 15.
3. Check tightness of retaining nut on
pulley and tighten if necessary.
4. Tighten set screws in pulleys.
Workpiece Burns.
1. Incorrect Speed.
2. Chips not clearing from hole or bit.
3. Dull drill bit.
4. Feeding too slowly.
1. Change to appropriate speed – see
speed and pulley chart on page 13.
2. Retract drill bit frequently to remove
chips.
3. Resharpen, or replace drill bit.
4. Increase feed rate.
Drill bit wanders.
1. Bit sharpened incorrectly.
2. Bent drill bit.
3. Bit or chuck not installed properly.
1. Resharpen bit correctly.
2. Replace drill bit.
3. Reinstall the chuck, or bit properly.
Wood splinters on the
underside.
1. No backing board used.
1. Place a scrap board underneath the
workpiece to prevent splintering.
Drill bit binds in
workpiece.
1. Workpiece pinching the bit.
2. Excessive feed rate.
3. Chuck jaws not tight.
4. Improper belt tension.
1. Support or clamp workpiece.
2. Decrease feed rate.
3. Tighten chuck jaws.
4. Increase belt tension (page 12).
Excessive drill bit run
out, or wobble.
1. Bent drill bit.
2. Worn spindle bearings.
3. Bit or chuck not properly installed.
1. Replace drill bit.
2. Replace spindle bearings.
3. Reinstall the bit, or chuck properly.
Quill returns too slow,
or too fast.
1. Spring has improper tension.
1. Adjust “Return Spring Tension,” page
14.
Chuck or arbor do not
stay in place.
1. Dirt, grease, etc on arbor, chuck, or
spindle.
1. Clean all mating surfaces thoroughly
with a cleaner degreaser.