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15. 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 spindle.
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 belt tensioning".
2. Dry spindle.
2. Dublicate spindle. See "Dublication"
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 work piece".
Workpiece tom loose from hand.
Not supported or clamped property.
Support work piece or clamp it. See
"Positioning table and work piece".
Drill bit bums.
1. Incorrect speed.
1. Change speed. See "Choosing
speed and belt tensioning".
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 belt tensioning".
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 DP16SL
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