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M1102/M1103 16-Speed Drill Press
SERVICE
Symptom Possible Cause Possible Solution
Drilling stops,
but the motor
still operates.
1. The belt is loose or worn.
2. The pulley for the spindle shaft or the motor
is slipping on the shaft.
3. Bit slips in chuck.
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.
The chuck wob
-
bles or is loose
on the spindle
shaft.
1. Foreign material is stuck between the chuck-
to-spindle mating surface.
2. Damaged chuck.
1. Remove the chuck and clean and de-burr the tapered
chuck and spindle mating surfaces, then reassem
-
ble.
2. Replace.
The spindle does
not retract com
-
pletely in the
uppermost posi
-
tion or it binds.
1. The quill shaft is gummy with sawdust and oil.
2. The feed shaft return spring is weak.
3. The quill deflection screw is binding the quill.
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.
The quill has
excessive deflec
-
tion.
1. The quill shaft is at fault.
2. The quill and/or bearings are worn.
1. Adjust the quill screw.
2. Replace the quill and/or bearings.
Holes drilled at
an angle.
1. Table is not at 90 degrees.
1. Adjust table angle (see
Page 22).
Drill bit wobbles,
holes are over
-
sized.
1. Drill bit installed incorrectly. 2. Remove drill bit and reinstall.
Drill Press Operations