Hitachi B13FI Instruction Manual - Page 19
Troubleshooting Guide
UPC - 717709012035
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English TROUBLESHOOTING GUIDE WARNING • To avoid injury from an accidental start, turn the switch OFF and remove the plug from the power source before making any adjustments. • All electrical or mechanical repairs should be done only by qualified service technicians. Contact Hitachi Authorized Service Center. GENERAL PROBLEM PROBABLE CAUSE REMEDY Noisy operation 1. Incorrect belt tension. 1. Adjust tension. See DRILL PRESS ADJUSTMENTS section, BELT TENSION. 2. Loose spindle pulley. 2. Check tighteness of retaining nut on pulley, and tighten if necessary 3. Loose motor pulley 3. Tighten set screw in motor pulley. Drill bit burns. 1. Incorrect speed. 1. Change speed. See BASIC DRILL PRESS OPERATIONS section, SPEEDS AND BELT PLACEMENT. 2. Chips not coming out of hole. 2. Retract drill frequently to clear chips. 3. Dull drill bit. 3. Resharpen drill bit. Run out of drill bit point - drill 1. Hand grain in wood or lengths of cutting 1. Resharpen drill bit correctly. hole not round. flutes and/or angles not equal. 2. Bent drill bit.. 2. Replace drill bit. Wood splinters on underside. 1. No backup material under workpiece. 1. Use backup material. See BASIC DRILL PRESS OPERATIONS section. Workpice torn loose from hand. 1. Not supported or clamped properly. 1. Support workpiece or clamp it. See BASIC DRILL PRESS OPERATIONS section. Drill bit binds in workpiece. 1. Workpiece pinching drill bit, or excessive 1. Support workpiece or clamp it. See BASIC DRILL feed pressure. PRESS OPERATIONS section. 2. Improper belt tension. 2. Adjust tension. See DRILL PRESS ADJUSTMENTS section, BELT TENSION. Excessive drill bit runout or 1. Bent drill bit. 1. Replace drill bit. wobble. 2. Worn bearings. 2. Replace bearings. 3. Drill bit not properly installed in chuck. 3. Install drill properly. See BASIC DRILL PRESS OPERATIONS section, INSTALLING DRILL BIT. 4. Chuck not properly installed. 4. Install chuck properly. See ASSEMBLY INSTRUCTIONS section, INSTALLING THE CHUCK. Quill returns too slow or too 1. Spring has improper tension. 1. Adjust spring tension. See ASSEMBLY fast. INSTRUCTIONS section, QUILL RETURN SPRING. Chuck will not stay attached to 1. Dirt, grease, or oil on the tapered inside 1. Using a household detergent, clean the tapered spindle. It falls off when trying surface of chuck or on the spindle's surface of the chuck and spindle to remove all dirt, to install. tapered surface. grease and oil. See ASSEMBLY INSTRUCTIONS section, INSTALLING THE CHUCK. The LASER GUIDE will not turn on. 1. The batteries have become uncharged. 1. See ASSEMBLY INSTRUCTIONS section, INSTALLING BATTERY FOR LASER GUIDE. - 19 -