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