Jet JDP-20MF Operating Instructions And Parts Manual

Also see for JDP-20MF: Specifications

Contents

15TroubleshootingTrouble Probable Cause RemedyDrill press unplugged from wall, ormotor. Check all plug connections.Fuse blown, or circuit breaker tripped. Replace fuse, or reset circuit breaker.Cord damaged. Replace cord.Drill press will notstart.Starting capacitor bad. Replace starting capacitor.Extension cord too light or too long. Replace with adequate size andlength cord.Drill press does notcome up to speed.Low current. Contact a qualified electrician.Stand on uneven surface. Adjust stand so that it rests evenly onthe floor.Drill Press vibratesexcessively.Bad belt(s). Replace belts.Incorrect belt tension. Adjust belt tension. See theChanging Spindle Speeds section.Dry spindle. Lubricate spindle. See theLubrication section.Loose spindle pulley. Check tightness of retaining nut onpulley, and tighten if necessary.Noisy Operation.Loose motor pulley. Tighten setscrews in pulleys.Incorrect Speed. Change to appropriate speed; see theChanging Spindle Speeds section.Chips not clearing from hole or bit. Retract drill bit frequently to removechips.Dull drill bit. Resharpen, or replace drill bit.Workpiece Burns.Feeding too slowly. Increase feed rate.Bit sharpened incorrectly. Resharpen bit correctly.Bent drill bit. Replace drill bit.Drill bit wanders.Bit, or chuck not installed properly. Reinstall the chuck, or bit properly.Wood splinters on theunderside. No backing board used. Place a scrap board underneath theworkpiece to prevent splintering.Workpiece pinching the bit. Support or clamp workpiece.Excessive feed rate. Decrease feed rate.Chuck jaws not tight. Tighten chuck jaws.Drill bit binds inworkpiece.Improper belt tension. Adjust belt tension. See the ChangingSpindle Speeds section.