User manual

Troubleshooting
20
TROUBLE PROBABLE CAUSE REMEDY
Noisy operation 1. Incorrect belt tension
2. Dry Spindle
3. Loose spindle pulley
4. Loose motor pulley
1. Adjust the tension
2. Lubricate spindle
3. Checking tightness of
retaining nut on pulley,
and tighten if necessary
4. Tighten set screws in pulleys
Drill bit burns 1. Incorrect speed
2. Chips not coming out of hole
3. Dull Drill bit
4. Feeding too slow
5. Not lubricated
1. Change speed
2. Retract drill bit frequently
to clear chips
3. Resharpen drill bit
4. Feed fast enough-allow drill bit
to cut.
5. Lubricate drill bit
Drill bit leads off hole not round 1. Hard grain in wood or lengths
of cutting lips and/or angles not
equal
2. Bent drill bit
1. Resharpen drill bit correctly
2. Replace drill bit
Wood splinters on underside 1. No “back-up material” under
workpiece
1. Use “back-up material”
Workpiece torn loose from hand 1. Not supported or clamped
properly
1. Support workpiece or clamp it
Drill bit binds in workpiece 1. Work piece pinching drill bit
or excessive feed pressure
2. Improper belt tension
1. Support Work piece or clamp it
2. Adjust tension
Excessive drill bit runout or
wobble
1. Bent drill bit
2. Worn spindle bearings
3. Drill bit not properly
installed in chuck
4. Chuck not properly installed
1. Use a straight drill bit
2. Replace bearings
3. Install drill bit properly
4. Install chuck properly
Quill Returns too slow or too fast 1. Spring has improper tension 1. Adjust spring tension
Chuck will not stay attached to
spindle it falls off when trying to
install it
1. Dirty, grease, or oil on the
tapered inside, surface of chuck or
on the spindles tapered surface
1. Make sure all surfaces are free
of dust and grease