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M1102/M1103 16-Speed Drill Press
Drill Press Operations
Symptom
Possible Cause
Drilling stops,
1. The belt is loose or worn.
but the motor
2. The pulley for the spindle shaft or the motor
still operates.
is slipping on the shaft.
3. Bit slips in chuck.
The chuck wob-
1. Foreign material is stuck between the chuck-
bles or is loose
to-spindle mating surface.
on the spindle
shaft.
2. Damaged chuck.
The spindle does
1. The quill shaft is gummy with sawdust and oil.
not retract com-
pletely in the
2. The feed shaft return spring is weak.
uppermost posi-
tion or it binds.
3. The quill deflection screw is binding the quill.
The quill has
1. The quill shaft is at fault.
excessive deflec-
2. The quill and/or bearings are worn.
tion.
Holes drilled at
1. Table is not at 90 degrees.
an angle.
Drill bit wobbles,
1. Drill bit installed incorrectly.
holes are over-
sized.
Possible Solution
1. Replace and/or adjust the belt.
2. To resecure the pulley, do these steps:
a. DISCONNECT THE DRILL PRESS FROM POWER!
b. Remove the setscrew on the slipping pulley.
c. Align the flats on the pulley shaft with the set-
screw hole.
d. Reinstall and tighten the setscrew.
3. Tighten bit; inspect bit for burrs or other obstruc-
tions that might interfere with clamping surface.
1. Remove the chuck and clean and de-burr the tapered
chuck and spindle mating surfaces, then reassem-
ble.
2. Replace.
1. Clean the gummy substance with penetrating oil and
lubricate with a light coat of oil.
2. Increase the feed shaft return spring tension as
described on Page 30.
3. Loosen the jam nut, and slightly turn out the screw
where the quill binds. Retighten the jam nut and
recheck for binding and looseness at all spindle loca-
tions.
1. Adjust the quill screw.
2. Replace the quill and/or bearings.
1. Adjust table angle (see Page 22).
2. Remove drill bit and reinstall.
-29-
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