Dewalt D25416K Instruction Manual - Page 12

English 2. Drill straight, keeping the bit at a right angle to the work. Do not exert side pressure on the bit when drilling as this will cause clogging of the bit flutes and a slower drilling speed. 3. When drilling deep holes, if the hammer speed starts to drop off, pull the bit partially out of the hole with the tool still running to help clear debris from the hole. 4. For masonry, use carbide-tipped bits or masonry bits. A smooth even flow of dust indicates the proper drilling rate. Chipping and Chiselling (Fig. 1) 1. Set the mode selector switch (G) to the hammering only position. 2. Insert the appropriate chisel and rotate it by hand to lock it. 3. Adjust the side handle (C) as required. 4. Be sure chisel is in contact with work surface before depressing the trigger switch. 5. Always fully release the trigger switch when work is finished and before unplugging. MAINTENANCE WARNING: To reduce the risk of injury, turn unit off and disconnect it from power source before installing and removing accessories, before adjusting or when making repairs. An accidental start-up can cause injury. Motor Brushes DEWALT uses an advanced brush system which automatically stops the drill when the brushes wear out. This prevents serious damage to the motor. New brush assemblies are available at authorized DEWALT service centers. 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. 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. 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 Industrial Tool Co., 701 East Joppa Road, Baltimore, MD 21286, call 1-800-4-DEWALT (1-800-433-9258) or visit our website: www. dewalt.com. MAXIMUM RECOMMENDED CAPACITIES Maximum Capacity 1-1/8" (28.5 mm) Concrete R.P.M. 0-820 (No Load) BITS, Metal Drilling 1/2" (13 mm) Wood, Flat Boring 1-1/8" (28.5 mm) Optimum Capacity 1/2" - 1" (13 to 25 mm) Concrete No-load BPM 0-4,700 10