24
Trouble-Shooting for Model 1200HD Drill Press
PROBLEM
POSSIBLE CAUSE
SOLUTION
Excessive vibration.
1. Improper belt tension.
1. Adjust belt tension.
2. Uneven belt wear (hard spots).
2. Replace belt.
3. Motor or spindle pulley out-of-balance.
3. Balance or repair problem pulley
4. Bad motor.
4. Replace motor.
Motor stalls
1. Over feeding.
1. Reduce feed rate.
2. Dull drill.
2. Sharpen drill and keep sharp.
3. V/S belt riding on inner cone.
3. Re-adjust V/S belt.
4. Motor not building up to running speed.
4. Replace or repair motor. Check fuses
in all three legs on three phase motor
and replace if necessary.
5. Bad motor.
5. Replace motor.
Noisy operation.
1. Excessive vibration.
1. Check remedy under excessive
vibration.
2. Improper quill adjustment.
2. Adjust quill (refer to paragraph on quill
adjustment).
3. Noisy spline.
3. Lubricate spline.
4. Noisy motor.
4. Check motor bearings or for loose
motor fan.
Drill or tool heats up or
1. Excessive speed.
1. Reduce speed.
burns work.
2. Chips not clearing.
2. Use pecking operation to clear chips.
3. Dull tool.
3. Sharpen tool or replace.
4. Feed rate too slow.
4. Increase feed enough to clear chips.
5. Rotation of drill incorrect.
5. Reverse motor rotation (refer to motor
wiring diagram).
6. Failure to use cutting oil or coolant
6. Use cutting oil or coolant on steel.
(on steel).
Drill leads off.
1. No drill spot.
1. Center punch or center drill work-
piece.
2. Cutting lips on drill off center.
2. Regrind drill.
3. Quill loose in head.
3. Tighten quill (refer to quill adjustment).
4. Bearing play.
4. Check bearings and reseat or replace
if necessary.
Excessive drill runout or
1. Bent drill.
1. Replace drill. Do not attempt to
wobble.
straighten.
2. Bearing play.
2. Replace or reseat bearings.
3. Drill not seated properly in chuck.
3. Loosen, reseat and tighten chuck.
Work or Fixture comes
1. Failure to clamp workpiece or work
1. Clamp workpiece or work holding
holding device to table.
device to table surface.
Summary of Contents for 1200HD
Page 7: ...7 DIMENSIONAL DRAWINGS Model 1200HD Drill Press FIGURE 1 ...
Page 13: ...13 Production Tilting Table with TABLE RAISING RACK ...
Page 16: ...16 Electronic Variable Speed Assembly 1200HD ...
Page 19: ...19 Head Raising Assembly 1200HD ...
Page 21: ...21 Head Assembly 1200HD ...
Page 22: ...22 ELECTRICAL SCHEMATIC 1200HD ...
Page 23: ...23 ELECTRICAL SCHEMATIC 1200HD when used with Reversing Foot Switch ...
Page 29: ...29 ...
Page 30: ...30 ...
