25
GB
16. Troubleshooting
Trouble
Problem
Remedy
Quill returns too slowy or too quickly
Spring has improper tension.
Adjust spring tension. See “Quill return spring”.
Chuck wiII not stay attached to spin-
dle. It wiII falls off when trying to install.
Dirt, grease or oil on the tapered inside surface
of the chuck or on the spindle’s tapered surface.
Using household detergent, clean the tapered
surfaces af chuck and spindle ta remove all dirt,
grease and oil. See “Installing the chuck”.
Noisy operation
1. Incorrect belt tension
1. Adjust belt tension. See „Choosing speed
and tensioning belt“.
2. Dry spindle.
2. Dublicate spindle.
3. Loose spindle pulley
3. Check tightness of retaining nut on pulley,
and tighten if necessary
4. Loose motor pulley.
4. Tighten set screw in motor pulley
Wood splinters on underside.
No “backup material” behind work piece.
Use “backup material”. See “Positioning table
and workpiece”.
Workpiece tom loose from hand.
Not supported or clamped property.
Support work piece or clamp it.
Drill bit bums.
1. Incorrect speed.
1. Change speed. See “Choosing speed and
tensioning belt”.
2. Chips not coming out of hole.
2. Retract drill bit frequently to remove chips.
3. Dull drill bit
3. Resharpen drill bit.
4. Feeding too slowy
4. Feed fast enough ta allow drill bit to cut.
Drill leads off...hole not round.
1. Hard grain in wood or lengths of cutting lips
and/or angle not equal
1. Resharpen drill bit correctly.
2. Bent drill bit.
2. Replace drill bit.
Drill bit binds in work piece.
1. Work piece pinching drill bit or excessive
feed pressure.
1. Suppart work piece at clamp it. See
“Positioning table and work piece”.
2. Improper belt tension.
2. Adjust belt tension. See “Choosing speed
and tensioning belt”.
Excessive drill bit run- out or wobble.
1. Bent drill bit
1. Use a straight drill bit..
2. Wom spindle bearings.
2. Replace bearings.
3. Drill bit not properly installed in chuck.
3. Install drill properly. See “Installing drill bits”.
4. Chuck not properly installed.
4. Install chuck properly. See “Installing the
chuck”.
Summary of Contents for DP16VLS
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