Troubleshooting - Sears 113.21308 Owner's Manual

trouble shooting
WARNSNG: FOR YOUR OWN SAFETY TURN SWITCH "OFF" AND ALWAYS REMOVE PLUG FROM POWER
SOURCE OUTLET BEFORE "TROUBLE SHOOTING.
® CONSULT YOUR LOCAL SEARS SERVICE CENTER IF FOR ANY REASON MOTOR WILL NOT RUN
TROUBLE
Noisy Operation
Drill Burns
Drill leads off...
hole not round.
Wood splinters on
underside.
Workpiece torn
loose from hand.
Drill Binds in
workpiece.
Excessive drill
runout or wobble.
Quill Returns
too slow ortoe
fast.
Chuck will not stay
attached to spindle
it falls offwhen
trying to install it.
PROBABLE CAUSE
1, Incorrect betttension,
2. Dry Spindle,
3. Loose spindle pulley,
4. Loose motor pulley,
1. incorrect speed.
2. Chips not coming out
of hole.
3. Dull Drill.
4. Feedingtoo S!OWr
5. Not lubricated.
1,
.
1.
1,
1.
2.
1,
2.
3.
Hard grain in wood or
lengths of cutting
tips and/or angles
not equal,
Bent drill bit,
No "back-up material"
under workpiece,
Not supported or
clamped properly.
REMEDY
I, Adjust tension, See section
ASSEMBLY-- TENSIONING BELT."
2. Lubricate spindle, See "Lubrication"
section.
3 Checking tightness of retaining nut on
pulley, and tighten if necessary,
4, Tighten setscrews in pulleys,
I. Change speed. See section "Getting
To Know Your DriI1 Press"...
DRILLING SPEED.
2, Retract drill frequently to clear chips.
3, Resharpen drift.
4. Feed fast enough ,aitow drill to cut.
5 Lubricate drilt. See"Basic Drill Press
Operation" section,
1 Resharpendritlcorrectiy,
2.
t.
t,
Workpiece pinching drill 1.
or excessive feed pressure.
Improper belt tension, 2.
Bent drill° 1.
Worn spindle bearings. 2.
Drill not properly 3.
installed in chuck.
4, 4. Chuck not properly installed.
t, Spring has improper tension,
1. Dirty, grease, or oii on the
tapered inside surface of chuck-
or on the spindles tapered
surface.
1.
Replace dritt biL
Use "back-up material".. See Basic
Drill Press Operation" section.
Support workpiece or clamp it... See
"Basic Drill Press Operation" section.
Support workpiece or clamp it,.. See
"Basic Drit! Press Operation" section.
Adjust tension,.. See section
"ASSEMBLY--TENSiONING BELT."
Use a straight drill,
Replace bearings,
install dri{l properly., See"Basic
Drill Press Operation" section.
InstalI chuck properly., refer to
"Unpacking and Assembly Instructions
... iNSTALLING THE CHUCK."
Adjust spring tension... See section.
"Adjustments--Quill Return Spring,"
Using a ho_Jseho!d detergent-clean the
tapered su.'fface of the chuck and spindie to
remove a!i dirt. grease and oil
E
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