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manual abstract
Mounting a Socket (Fig. 2) To install a socket on the anvil (A), align the hole in the side of the socket (G) with the detent pin (E) on the anvil. Press the socket on until the detent pin engages in the hole (F). To remove a socket, depress the detent pin through the hole, using a small, pointed object, and pull the socket off. Side Handle (Fig. 1) WARNING: To reduce the risk of personal injury, ALWAYS operate the tool with the side handle properly installed. Failure to do so may result in the side handle slipping during tool operation and subsequent loss of control. Hold tool with both hands to maximize control. Always use side handle (C). The position of the side handle attached to the hammer case can be changed by unscrewing the handle (right hand threads). Relocate the handle to the desired position and reinstall. OPERATION WARNING: To reduce the risk of serious personal injury, turn tool off and disconnect tool from power source before making any adjustments or removing/installing attachments or accessories. CAUTION: Ensure fastener and/or system will withstand the level of torque generated by the tool. Excessive torque may cause breakage and possible personal injury. Your impact tool generates 434 ft.-lbs. (60 kgm) output torque. 1. Place the socket on the fastener head. Keep the tool pointed straight at the fastener. 2. Press rocker switch to start operation. Always check torque with a torque wrench, as the fastening torque is affected by many factors including the following: • Voltage: Low voltage, due to generator or long extension cord, will reduce fastening torque. • Socket size: Failure to use the correct socket size will cause a reduction in fastening torque. • Bolt Size: Larger bolt diameters generally require higher fastening torque. Fastening torque will also vary according to length, grade, and torque coefficient. • Bolt: Ensure that all threads are free of rust and other debris to allow proper fastening torque. • Material: The type of material and surface finish of the material will affect fastening torque. • Fastening Time: Longer fasten ing time results in increased fastening torque. Using a longer fastening time than recom mended could cause the fasteners to be overstressed, stripped or damaged. Capacity Your 3/4" (19 mm) impact wrench uses sockets with 3/4" (19 mm) square drive ends. Both sizes of impact wrenches are capable of driving the same range of hex impact sockets available. In particularly heavy duty usage the 3/4" (19 mm) drive impact wrench has an extra strong anvil that will resist breakage. MAINTENANCE WARNING: To reduce the risk of serious personal injury, turn tool off and disconnect tool from power source before making any adjustments or removing/installing attachments or accessories. Cleaning 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. Motor Brushes (Fig. 1) Be sure tool is unplugged before inspecting brushes. Carbon brushes should be regularly inspected for wear. To inspect brushes, unscrew the plastic brush inspection caps (D, located in the sides of the motor housing) and withdraw the spring and brush assemblies from the tool. Keep brushes clean and sliding freely in their guides. Carbon brushes have varying symbols stamped into them, and if the brush is worn down to the line closest to the spring, it must be replaced. New brush assemblies are available at authorized DEWALT service centers. Lubrication Your tool was properly lubricated before leaving the factory. In from two to six months, depending upon use, take or send your tool to a DEWALT certified service organization for a complete cleaning, inspection and relubrication. Tools used constantly on production or heavy duty jobs or exposed to heat may require more frequent lubrication. Tools “out of service” for long periods should be relubricated before being put back into service. 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 1-800-4DEWALT (1-800-433-9258) or visit our website Repairs To assure product SAFETY and RELIABILITY, repairs, maintenance and adjustments (including brush inspection and replacement) should be performed by a DEWALT factory service center, a DEWALT authorized service center or other qualified service personnel. Always...