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Too little pressure will cause the bit to slide over the work area and dull the point of the bit. If the tool begins to stall, reduce pressure slightly to allow the bit to regain speed. If the bit binds, reverse the motor to free the bit from the workpiece. Push for Forward Push for Reverse PUSH TO CENTER TO LOCK Selecting Hammer, Drill or Drive Action MILWAUKEE Hammer-Drills have three operating modes: drilling with hammering action, drilling only, and driving screws. MILWAUKEE Driver Drills have two operating modes: drilling only and driving screws. To set the operating mode, rotate the application selector collar and torque selector collar to the desired symbols. 1. To use the hammer-drilling mode (Cat. No. 2611-20 only), rotate the application selector collar until the hammer symbol appears in line with the arrow. Apply pressure to the bit to engage the hammering mechanism. NOTE: The number selected on the torque collar has no effect on operation of the drill in hammer mode. NOTE: When using carbide bits, do not use water to settle dust. Do not attempt to drill through steel reinforcing rods. This will damage the carbide bits. 2. To use the drilling only mode, rotate the application selector collar until the drill symbol appears in line with the arrow. NOTE: The number selected on the torque collar has no effect on operation of the drill in drilling mode. 3. To use the driving screws mode rotate the application selector collar until the drive symbol appears in line with the arrow. Then rotate the torque selector collar until the desired clutch setting appears in line with the arrow. The adjustable clutch, when properly adjusted, will slip at a preset torque to prevent driving the screw too deep into different materials and to prevent damage to the screw or tool. For reverse (counterclockwise) rotation, push in the control switch from the left side of the tool. Check direction of rotation before use. To lock the trigger, push the control switch to the center position. The trigger will not work while the control switch is in the center locked position. Always lock the trigger or remove the battery pack before performing maintenance, changing accessories, storing the tool and any time the tool is not in use. Drilling in Wood, Composition Materials and Plastic When drilling in wood, composition materials and plastic, select the drill-only operating mode. Start the drill slowly, gradually increasing speed as you drill. When drilling into wood, use wood augers or twist drill bits. Always use sharp bits. When using twist drill bits, pull the bit out of the hole frequently to clear chips from the bit fl utes. To reduce the chance of splintering, back work with a piece of scrap wood. Select low speeds for plastics with a low melting point. Drilling in Metal When drilling in metal, select the drillonly operating mode. Use high speed steel twist drills or hole saws. Use a center punch to start the hole. Lubricate drill bits with cutting oil when drilling in iron or steel. Use a coolant when drilling in nonferrous metals such as copper, brass or aluminum. Back the material to prevent binding and distortion on breakthrough. APPLICATIONS Drilling in Masonry When drilling in masonry, select the hammer-drill operating mode. Use high speed carbide-tipped bits. Drilling soft masonry materials such as cinder block requires little pressure. Hard materials like concrete require more pressure. A smooth, even fl ow of dust indicates the proper drilling rate. Do not let the bit spin in the hole without cutting. Do not use water to settle dust or to cool bit. Both actions will damage the carbide. Driving Screws and Nut Running Drill a pilot hole when driving screws into thick or hard materials. Select the driving screws mode. Set the torque selector collar to the proper position and set the speed to low. Use the proper style and size screwdriver bit for the type of screw you are using. With the screwdriver bit in the screw, place the tip of the screw on the workpiece and apply fi rm pressure before pulling the trigger. Screws can be removed by reversing the motor. Overloading Continuous overloading may cause permanent damage to tool or battery pack. WARNING To reduce the risk of electric shock, check work area for hidden pipes and wires before drilling or driving screws. 8 9 Maintaining Tool Keep your tool, battery pack and charger in good repair by adopting a regular maintenance program. After six months to one year, depending on use, return thetool, battery pack and charger to A MILWAUKEE service facility for: • Lubrication • Mechanical inspection and cleaning (gears, spindles, bearings, housing, etc.) • Electrical inspection (battery pack, charger, motor) • Testing to assure proper mechanical and electrical operation If the tool does not start or operate at full power with a fully charged battery pack, clean the contacts on the battery pack. If the tool still does not work properly, return the tool, charger and battery pack,...

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