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SYMPTOM
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Spindle does not turn
1. No power to drill press
1. Check wiring, fuse or
circuit breaker
2. Defective switch
2 Replace switch
3. Defective motor
3. Replace motor
Noisy spindle
Defective bearings
Replace bearings
Noisy operation
1. Worn variable speed belt
1. Replace belt, See Replace
Worn Variable Speed Belt, page ?
2. Dry spindle
2. Lubricate spindle,
See Lubrication, page ?
3. Loose pulley
3. Check motor pulleys; tighten as
necessary
Excessive spindle runout
Replace bearings
Drilled holes not round
1. Mount properly
Worn or defective bearings
1. Improper mounting of drill bit,
chuck or arbor
2. Worn or broken bit
3. Speed or feed toe fast
4. Workpiece drilling needs
lubrication
2. Replace bit
3. Reduce speed or feed as needed
4. Use cutting fluid
A
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