Use and Care Manual

11
TROUBLESHOOTING CHART
Symptom Possible Cause(s) Corrective Action
Noisy operation. 1. Incorrect belt tension.
2. Dry spindle.
3. Loose spindle.
4. Loose motor pulley.
1. Adjust tension.
2. Lubricate spindle.
3. Tighten pulley nut.
4. Tighten set screw in pulley.
Bit burns or smokes. 1. Incorrect speed.
2. Chips not coming out of hole.
3. Dull bit.
1. Change speed.
2. Retract bit frequently to clear chips.
3. Sharpen or replace bit.
Excessive drill bit run out or
wobble.
1. Bent bit.
2. Bit not properly installed in chuck.
3. Chuck not properly installed.
4. Worn spindle bearings.
1. Replace bit.
2. Install bit properly.
3. Install chuck properly.
4. Replace bearings.
Drill bit binds in workpiece. 1. Workpiece pinching bit or
excessive feed pressure.
2. Improper belt tension.
1. Support or clamp workpiece, decrease feed
pressure.
2. Adjust tension.
Workpiece torn loose from hand. 1. Supported or clamped improperly. 1. Support or clamp workpiece properly.