Ryobi DP121L manual Troubleshooting, Problem Possible Cause Solution

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troubleshooting

Problem	Possible Cause	Solution

Noisy operation	Incorrect belt tension	Adjust belt tension.
	Dry spindle	Lubricate spindle.
	Loose spindle pulley or motor pulley	Tighten set screws in pulleys.

Bit burns or smokes	Incorrect speed	Change speed.
	Chips not coming out of hole	Retract bit frequently to clear
		chips.
	Dull bit	Sharpen or replace bit.
	Feeding too slow	Feed fast enough; allow drill to cut.
	Not lubricated	Lubricate bit for metal work.

Excessive drill runout or wobble	Bent bit	Replace bit.
	Bit not properly installed in chuck	Install bit properly.
	Chuck not properly installed	Install chuck properly.
	Worn spindle bearings	Contact authorized service center.

Drill bit binds in workpiece	Excessive feed pressure	Reduce feed pressure.
	Improper belt tension	Adjust belt tension.

Workpiece support loosens	Workpiece not supported or clamped	Check support and/or reclamp
	properly	workpiece.

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Contents Save this Manual for Future Reference OPERATOR’S ManualIntroduction WarrantyRead ALL Instructions General Safety RulesGeneral Safety Rules Specific Safety Rules Symbol Name DESIGNATION/EXPLANATION SymbolsSymbol Signal Meaning ServiceElectrical Connection Speed and WiringElectrical Extension CordsGlossary of Terms Digital FeaturesProduct specifications Chuck Tool Tools NeededDigital Display Loose Parts Unpacking AssemblyAttaching column assembly to base Column assembly Hex boltScrew AssemblyInstalling table assembly See Figures 6See Figures 9 Installing chuck, head assembly, and feed handlesMounting Installing/changing worklight bulbMounting the Drill press BulbTurn clockwise to install / lock the spindle Laser Housing Installing/using the spindle lock leverCHECKING/adjusting Laser Alignment Applications Power SwitchOperation Chuck key Key hole Installing and removing bitsSELF-EJECTING Chuck KEY Table rotationSee Figures 20 OperationDrilling Drilling TipsAdjusting the drilling depth AdjustmentsAdjusting table height Adjusting Table bevelMOTOR/ELECTRICAL MaintenanceGeneral Maintenance LubricationProblem Possible Cause Solution TroubleshootingService Model NO. and Serial no