| MOTOR |
| PROBLEM |
PROBABLE
CAUSE |
SUGGESTED
CORRECTIVE ACTION |
| Noisy
operation. |
- Incorrect belt tension
- Dry spindle.
- Loose spindle pulley.
- Loose motor pulley.
|
- Adjust tension. See Section "ASSEMBLY - TENSIONING BELT"
- Lubricate spindle. See Section "LUBRICATION".
- Check tightness of retaining nut on pulley, and tighten if necessary.
- Tighten set screw in motor pulley.
|
| Drill bit
burns. |
- Incorrect speed.
- Chips not coming out of hole.
- Dull drill bit.
- Feeding too slowly.
- Not lubricated.
|
- Change speed. See Section "BASIC DRILL PRESS OPERATION - SPINDLE
SPEEDS"
- Retract drill frequently to clear chips.
- Resharpen drill bit.
- Feed fast enough - allow drill to cut.
- Lubricate drill. See Section "BASIC DRILL PRESS OPERATION -
FEEDING"
|
| Run out of
drill bit point - drilled hole not round. |
- Hard grain in wood or lengths of cutting flutes and/or angles not
equal.
- Bent drill bit.
|
- Resharpen drill bit correctly.
- Replace drill bit.
|
| Wood splinters
on underside. |
- No backup material under workpiece.
|
- Use backup material. See Section "BASIC DRILL PRESS
OPERATION".
|
| Workpiece torn
loose from hand. |
- Not supported or clamped properly.
|
- Support workpiece or clamp it. See Section "BASIC DRILL PRESS
OPERATION".
- Adjust tension. See Section "ASSEMBLY - TENSIONING BELT".
|
| Excessive drill
bit runout or wobble. |
- Bent drill bit.
- Worn bearings.
- Drill bit not properly installed in chuck.
- Chuck not properly installed.
|
- Use a straight drill bit.
- Replace bearings.
- Install drill properly. See Section "BASIC DRILL PRESS
OOPERATION" and "ASSEMBLY".
- Install chuck properly. See Section "ASSEMBLY - INSTALLING THE
CHUCK".
|
| Quill returns |
- Spring has improper tension.too slow or too fast.
|
- Adjust spring tension. See Section "ASSEMBLY - ADJUSTMENTS -
QUILL RETURN SPRING".
|
| Chuck will not
stay attached to spindle. It falls off when trying to install. |
- Dirt, grease, or oil on the tapered inside surface of chuck or on the
spindle's tapered surface.
|
- Using a household detergent, clean the tapered surface of the chuck
and spindle ot remove all dirt, grease and oil. See Section "ASSEMBLY - INSTALLING
THE CHUCK".
|