Troubleshooting - Scheppach Dp13 Original Bedienungsanleitung

13. Troubleshooting

WARNING: turn switch off and always remove plug from the power source before trouble shooting.
Trouble
Quill returns too slowly or too quickly Spring has improper tension
Chuck wiII not stay attached to
spindle. 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.
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Problem
Dirt, grease or oil on the tapered inside
surface of the chuck or on the spindle's
tapered surface.
Incorrect belt tension
Dry spindle.
Loose spindle pulley
Loose motor pulley.
No "backup material" behind work piece.
Not supported or clamped property.
Incorrect speed.
Chips not coming out of hole.
Dull drill bit
Feeding too slowly
Hard grain in wood or lengths of cutting
lips and/or angle not equal
Bent drill bit.
Work piece pinching drill bit or excessive
feed pressure.
Improper belt tension.
Bent drill bit
Wom spindle bearings
Drill bit not properly installed in chuck.
Chuck not properly installed.
Remedy
Adjust spring tension. See "Quill
return spring".
Using household detergent, clean
the tapered surfaces of chuck and
spindle ta remove all dirt, grease and
oil. See "Installing the chuck".
Adjust belt tension. See "Choosing
speed and belt tensioning".
Dublicate spindle. See "Dublication"
Check tightness of retaining nut on
pulley, and tighten if necessary
Tighten set screw in motor pulley
Use "backup material". See
"Positioning table and work piece".
Support work piece or clamp it. See
"Positioning table and work piece".
Change speed. See "Choosing
speed and belt tensioning".
Retract drill bit frequently to remove
chips.
Resharpen drill bit.
Feed fast enough ta allow drill bit to
cut.
Resharpen drill bit correctly.
Replace drill bit.
Support work piece at clamp it. See
"Positioning table and work piece".
Adjust belt tension. See "Choosing
speed and belt tensioning".
Use a straight drill bit.
Replace bearings.
Install drill properly. See "Installing
drill bits".
Install chuck properly. See "Installing
the chuck".
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