Download Print this page

Troubleshooting - Craftsman 137.229201 Operator's Manual

Stationary floor model 2 hp (maximum developed) 12 speeds (150-4200 r.p.m.) 3/4 inch chuck 20-inch drill press

Advertisement

TROUBLESHOOTING
GUIDE
To avoid injury from an accidental start, turn the switch "OFF" and always remove the plug from the power source before making
any adjustment.
• Consult your local Sears Service Center if for any reason the motor will not run.
PROBLEM
POSSIBLE CAUSES
REMEDY
1. Incorrect belt tension.
Noisy operation
Drill bit burns
Run out of drill bit point -
drilled hole not round.
Wood splinters on
underside.
Workpiece torn loose from
hand.
Drill bit binds in workpiece.
Excessive drill bit runout
or wobble.
Quill returns.
Chuck will not stay
attached to spindle. It falls
off when trying to install.
2. Dry spindle.
3. Loose spindle pulley.
4.Loose motor pulley.
1. Incorrect speed.
2. Chips not coming out of
hole.
3. Dull drill bit.
4. Feeding too slowly.
5. Not lubricated.
1. Hand grain in wood or
lengths of cutting flutes
and/or angles not equal.
2. Bent drill bit.
1. No backup material under
workpiece.
1. Not supported or clamped
properly.
1. Workpiece pinching drill bit,
or excessive feed presure.
2. Improper belt tension.
1. Bent drill bit.
2. Worn bearings.
3. Drill bit not properly installed
in chuck.
4. Chuck not properly installed.
1. Spring has improper tension.
1. Dirt, grease, or oil on the
tapered inside surface of
chuck or on the spindle's
tapered surface.
1. Adjust tension. See Section
"ASSEMBLY - TENSIONING BELT"
2. Lubricate spindle. See Section" LUBRICATION".
3. Check tightness of retaining nut on pulley, and
tighten if necessary.
4. Tighten set screw in motor pulley.
1. Change speed. See Section" BASIC DRILL PRESS
OPERATION - SPINDLE SPEEDS"
2. Retract drill frequently to clear chips.
3. Resharpen drill bit.
4. Feed fast enough - allow drill to cut.
5. Lubricate drill. See Section "BASIC DRILL PRESS
OPERATION - FEEDING".
1. Resharpen drill bit correctly.
2. Replace drill bit.
1. Use backup material. See Section "BASIC DRILL
PRESS OPERATION".
Support workpiece or clamp it. See Section "BASIC
DRILL PRESS OPERATION".
1. Support workpiece or clamp it. See Section "BASIC
DRILL PRESS OPERATION".
2. Adjust tension. See Section" ASSEMBLY -
TENSIONING BELT".
1. Use a straight drill bit.
2. Replace bearings.
3. Install drill properly. See Section "BASIC DRILL
PRESS OPERATION" and ASSEMBLY".
4. Install chuck properly. See Section "ASSEMBLY -
INSTALLING THE CHUCK".
1. Adjust spring tension. See Section "ASSEMBLY -
too slow or too fast. ADJUSTMENTS -QUILL
RETURN SPRING".
1.
Using a household detergent, clean the tapered
surface of the chuck and spindle to remove all dirt,
grease and oil. See Section "ASSEMBLY -
INSTALLING THE CHUCK".
2]

Advertisement

loading