16TroubleshootingTrouble Probable Cause RemedySpindle does not turn.Motor overload protector tripped. Press motor overload reset button.Circuit breaker tripped. Reset circuit breaker.Branch circuit breaker tripped or fuseblown. Reset branch circuit breaker/replace fuse.Open wire in switch circuit. Repair open circuit.Defective switch. Replace switch.Broken drive belt. Replace drive belt.Spindle noisy. Damaged spindle bearings. Replace bearings.Worn spline. Replace spline.Drill stalls.Worn drive belt. Check condition of belt. Replace if glazedor slipping on pulleys.Excessive feed rate for size of drill andmaterial being drilled. No cutting fluid orimproper cutting fluid.Reduce feed pressure or use cutting fluid.Use correct cutting fluid.Poorly drilled holes.Drill dull. Sharpen drill.Lack of rigidity in hold-down method.Check that all T-slot hold-downs are tightand that table-lock and drill head bolts aretight.Speed too fast for material and drill size. Check spindle speed recommendations.Reduce speed if necessary.Feed too fast for material and drill size. Reduce feed rate.No or improper cutting fluid or coolantbeing used.Use cutting fluid, or change to proper fluidor coolant for material being drilled.Improperly ground drill bit. Check for proper angles and reliefs.Regrind to proper geometry.Motor overheating.Electrical circuit fault.Check current draw in circuit. Make surecurrent draw is the same as rating onmotor plate.Oversize drill. Reduce drill size.Excessive feed. Reduce feed rate.No cutting fluid, or wrong fluid. Use correct cutting fluid for the materialand drill.Table cannot be raised. Lack of lubrication. Lubricate.No speed readout. Speed pickup out of adjustment or failed.Adjust gap between speed pickup andpost spindle pulley. If there is no readouton the LED speed indicator after adjustingthe gap, replace the speed pickup.Replacement PartsReplacement parts are listed on the following pages. To order parts or reach our service department, call 1-800-274-6848, Monday through Friday (see our website for business hours, www.waltermeier.com). Having theModel Number and Serial Number of your machine available when you call will allow us to serve you quicklyand accurately.