Dewalt DCD471B Instruction Manual - Page 13

NOTE: Always use core bits designed for dry drilling. Troubleshooting Drilling in Masonry Problem Solution Core bit does not cut. Material too hard for core bit. • Choose a more appropriate core bit (with softer segments). Segments look glazed and polished • Drill in abrasive material to re-expose diamond segments. Dust accumulating in core bit. • Disengage drill bit regularly to Accumulating dust slows down the drilling speed. evacuate cuttings. Check filter on dust extraction. Clean or replace as required. Rotating speed may not be appropriate. • Refer to the Maximum Recommended Capacities for proper speed ratings. Segments wear too fast. • Choose a more appropriate core bit (with harder segments). • Reduce the pressure applied on the core bit. MAINTENANCE WARNING: To reduce the risk of serious personal injury, turn unit off and remove the battery pack before making any adjustments or removing/ installing attachments or accessories. An accidental start-up can cause injury. Repairs The charger and battery pack are not serviceable. There are no serviceable parts inside the charger or battery pack. WARNING: To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustment (including brush inspection and replacement, when applicable) should be performed by a DeWALT factory service center or a DeWALT authorized service center. Always use identical replacement parts. Cleaning WARNING: Blow dirt and dust out of all air vents with clean, dry air at least once a week. To minimize the risk of eye injury, always wear ANSI Z87.1 approved eye protection when performing this procedure. WARNING: Never use solvents or other harsh chemicals for cleaning the non-metallic parts of the tool. These chemicals may weaken the plastic materials used in these parts. Use a cloth dampened only with water and mild soap. Never let any liquid get inside the tool; never immerse any part of the tool into a liquid. Accessories WARNING: Since accessories, other than those offered by DeWALT, have not been tested with this product, use of such accessories with this tool could be hazardous. To reduce the risk of injury, only DeWALT recommended accessories should be used with this product. English Recommended accessories for use with your tool are available at extra cost from your local dealer or authorized service center. If you need assistance in locating any accessory, please contact DeWALT call 1-800-4-DeWALT (1-800-433-9258) or visit our website: www.dewalt.com. MAXIMUM RECOMMENDED CAPACITIES LOW SPEED HIGH SPEED E-Clutch® System Mechanical Clutch RPM WOOD Auger Self-feed Hole saw METAL Twist YES YES YES NO 0-400 0-1320 2" (51 mm) 2" (51 mm) 4-5/8" (117 mm) 4-5/8" (117 mm) 6-1/4" (158 mm) 6" (152 mm) 1/2" (13 mm) 5/16" (8 mm) MASONRY Diamond core bit Aerated concrete block/ breeze block/cinderblock 6" (152 mm) 6" (152 mm) Brick 5" (127 mm) 5" (127 mm) NOTE: Quick release hex chuck accepts 7/16'' (11.1 mm) bits and accessories only. Register Online Thank you for your purchase. Register your product now for: • WARRANTY SERVICE: Registering your product will help you obtain more efficient warranty service in case there is a problem with your product. • CONFIRMATION OF OWNERSHIP: In case of an insurance loss, such as fire, flood or theft, your registration of ownership will serve as your proof of purchase. • FOR YOUR SAFETY: Registering your product will allow us to contact you in the unlikely event a safety notification is required under the Federal Consumer Safety Act. • Register online at www.dewalt.com Three Year Limited Warranty DeWALT will repair or replace, without charge, any defects due to faulty materials or workmanship for three years from the date of purchase (two years for batteries). This warranty does not cover part failure due to normal wear or tool abuse. For further detail of warranty coverage and warranty repair information, visit www.dewalt.com or call 1-800-4-DeWALT (1-800-433-9258). This warranty does not apply to accessories or damage caused where repairs have been made or attempted by others. THIS LIMITED WARRANTY IS GIVEN IN LIEU OF ALL OTHERS, INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, AND EXCLUDES ALL INCIDENTAL OR CONSEQUENTIAL DAMAGES. Some 11