Trouble Shooting - Sears Craftsman 113.21371 Owner's Manual

trouble shooting
WARNING: FOR YOUR OWN SAFETY, TURN SWITCH "OFF" AND ALWAYS REMOVE PLUG FROM POWER SOURCE
OUTLET BEFORE TROUBLE SHOOTING.
TROUBLE
Noisy Operation
Drill Burns.
Drill leads off...
hole not round.
PROBABLE CAUSE
1. Incorrect belt tension
2. Dry Spindle
3. Loose spindle pulley
or motor pulley.
1. Incorrect speed
2. Chips not coming out
of hole.
3. Dull Drill
4. Feeding too slow.
5. Not lubricated,
6. Drill running backwards.
1.
Hard grain in wood or
lengths of cutting
lips and/or angles
not equal.
REMEDY
1. Adjust tension. See section "Getting To Know
Your Drill Press"...BELT TENSIONING ROD.
2. Lubricate spindle. See "Lubrication" section,
3. Tighten setscrews in pulleys.
1. Change speed, See section "Getting To Know
Your Drill Press". ,. DRILLING SPEED.
2. Retract drill frequently to clear chips.
3. Reshapen drill.
4. Feed fast enough...allow drill to cut.
5. Lubricate drill. See "Basic Drill Press
Operation" section.
6. Check motor rotation. See "Motor Specifications
and Electrical Requirements" section.
1. Resharpen drill correctly.
Wood splinters on 1. No "back-up material" 1. Use "back-up material"...See Basic Drill
underside, under workpiece. Press Operation" section.
Workpiece torn 1. Not supported or 1. Support workpiece or clamp it.. ,See "Basic
loose from hand. clamped properly. Drill Press Operation" section.
, , i ' '_ ' "
1. Drill Binds in
workpiece.
Workpiece pinching drill
or excessive feed
pressure.
Improper belt tension.
2.
!. Support workpiece or clamp it.. ,See "Basic
Drill Press Operation" section.
2, Adjust tension,..See section "Getting to Know
Your Drill Press"...BELT TENSION ROD.
1. Use a straight drill.
2. Replace bearings.
3, Install drill properly,..See "Basic Drill
Press Operation" section.
4. Install chuck properly,, .refer to "Unpacking
and Assembly Instructions", . .INSTALLING THE
CHUCK.
1. Bent drill.
2. Worn spindle bearings.
3. Drill not properly
installed in chuck.
4. Chuck not properly installed.
Excessive drill
runout or wobble.
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