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TOPREVENT I NJURY TOYOURSELF o r damage to thedrHU p ress, t urntheswitchtotheOFFposition andunpUug
thepower cordfromtheeUectricaU
receptacle b efore making anyadjustments,
PROBLEM
UKELY CAUSE(S)
SOLUTION
Motor does not
start or does
not come up to
full speed
Motor stalls or
circuit breakers
open frequently
Motor running
too hot
Drill bit or material
smokes or burns
Excessive drill bit
runout or wobble
Spindle returns too
slow or too fast
Chuck will not
stay onto spindle
1. Switch key is removed
2. Defective switch
3. Defective capacitor
4. Low line voltage
5. Defective motor
1. Circuit overload
2. Low line voltage
3. Motor overload
4. Incorrect fuses on circuit breakers
5. Short circuit in motor; loose connections
or worn insulation on lead wires.
1. Restricted air circulation due to dust
accumulation
2. Motor overload
1. Belt is incorrectly tensioned.
2. Drill bit is not securely tighten in chuck.
1. incorrect spindle speed.
2. Chips not exiting out of drill hole.
3. Dull drill bit.
1. Bent drill bit.
2. Drill bit not properly installed in chuck.
1. Return spring has incorrect tension.
1. Grease, dirt or oil on spindle taper or in
chuck taper.
1. insert switch key.
2. Have switch replaced.
3. Have capacitor replaced.
4. Correct low line voltage condition, if machine is plugged
into and extension cord, disconnect and plug directly into
wall outlet.
Have motor replaced.
NOTE: 3 and 4 must be done by a qualified service
technician; Consult Sears service.
1.
2.
Reduce circuit load (turn off other appliances).
Correct low line voltage condition. Check line voltage with
a multi-meter, if the machine is plugged into an extension
cord, unplug it from the extension cord and plug directly
to the wall outlet.
3. Reduce load on motor, slow down feed rate.
4. Have correct fuses on circuit breakers installed by a
qualified electrician.
5. inspect terminals in motor for damaged insulation and
shorted wires and have them replaced. Check all power
lead connections.
1. Clean dust and restore normal air circulation around motor.
2. Reduce load on motor, slow down feed rate.
1.
2.
Adjust belt tension. See changing speeds and adjusting
belt tension in OPERATIONS AND ADJUSTMENTS.
Install drill bit properly. See Installing and removing drill bit
in OPERATIONS AND ADJUSTMENTS.
1.
2.
3.
Reduce spindle speed. See speed diagram on the under
side of the belt cover.
Retract drill bit frequently during drilling operation to clear
chips from hole.
Replace or sharpen drill bit.
1. Replace with a straight or new drill bit.
2. Install drill bit properly. See Installing and removing drill bit
in OPERATIONS AND ADJUSTMENTS.
1. Adjust spring tension. See adjusting spindle return spring
in OPERATIONS AND ADJUSTMENTS.
1. Clean grease, dirt or oil off of spindle taper and chuck
taper. See drill press head and motor assembly in
ASSEMBLY iNSTRUCTiON.
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