TROUBLESHOOTING

WARNING: For your own safety, turn the switch off and disconnect power source before troubleshooting.

Trouble

Probable Cause

Remedy

Noisy operation

1.

Incorrect belt tension

1.

Adjust tension

 

2.

Dry spindle

2.

Lubricate spindle

 

 

 

 

See lubrication section

 

3.

Loose spindle pulley or motor pulley 3.

Tighten setscrews in pulley

Bit burns or smokes

1.

Incorrect speed

1.

Select correct speed

 

 

 

 

See speed chart

 

2.

Chips clogging hole

2.

Retract bit frequently

 

 

 

 

to clear chips

 

3.

Dull bit

3.

Sharpen or replace bit

 

4.

Feeding too slow

4.

Increase feed rate

 

5.

Bit not lubricated

5.

Lubricate bit

 

6.

Bit running backwards

6.

Check motor rotation

Excessive drill runout

1.

Bent bit

1.

Replace bit

or wobble

2.

Worn spindle bearings

2.

Replace bearings

 

3.

Bit improperly installed in chuck

3.

Install bit properly

 

4.

Chuck improperly installed

4.

Install chuck properly

Drill binds in workpiece

1.

Workpiece pinching bit or excessive

1.

Support or clamp

 

 

feed pressure

 

workpiece,reduce feed pressure

 

2.

Improper belt tension

2.

Adjust belt tension

Workpiece torn loose

 

Workpiece not supported or

 

Support or clamp workpiece

from hand

 

clamped properly

 

 

G1199/G1200 Drill Press

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Image 25
Grizzly G1200, G1199 instruction manual Troubleshooting