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Problem Possible Cause Solution
Noisy operation
Bit burns or smokes
Excessive drill runout or wobble
Drill bit binds in workpiece
Workpiece support loosens
Adjust belt tension.
Lubricate spindle.
Tighten set screws in pulleys.
Change speed.
Retract bit frequently to clear chips.
Sharpen or replace bit.
Feed fast enough, allow drill to cut.
Lubricate bit for metal work.
Replace bit.
Install bit properly.
Install chuck properly.
Contact Ryobi Authorized Service
Center.
Reduce feed pressure.
Adjust belt tension.
Check support and/or reclamp
workpiece.
TROUBLE SHOOTING
Incorrect belt tension.
Dry spindle.
Loose spindle pulley or motor pulley.
Incorrect speed.
Chips not coming out of hole.
Dull bit.
Feeding too slow.
Not lubricated.
Bent bit.
Bit not properly installed in chuck.
Chuck not properly installed.
Worn spindle bearings.
Excessive feed pressure.
Improper belt tension.
Workpiece not supported or clamped
properly.