Troubleshooting - Scheppach TBM60VL Original Operating Manual

14. Troubleshooting

Warning:
Turn switch off and always remove plug from the power source before trouble shooting.
Trouble
Quill returns too slowly or too
quickly
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
Spring has improper tension.
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
".
tensioning belt
Dublicate spindle.
Check tightness of retaining nut on pulley, and
tighten if necessary
Tighten set screw in motor pulley
Use "backup material". See "
".
and workpiece
Support work piece or clamp it.
Change speed. See "Choosing speed and
".
tensioning belt
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.
Suppart work piece at clamp it. See
"Positioning table and work piece".
Adjust belt tension. See "Choosing speed and
tensioning belt".
Use a straight drill bit..
Replace bearings.
Install drill properly. See "Installing drill bits".
Install chuck properly. See "Installing the
chuck".
Positioning table
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