Troubleshooting - Scheppach DP16VLS Consignes D'utilisation Et De Sécurité

16. Troubleshooting

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