Assessments - 3, GPA: 4
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Facilidade de uso
Release the trigger. 2. To unlock the trigger, pull the trigger and release. The lock button will pop out. ForwardFig. 10 Trigger Reverse To reduce the risk of explosion, electric shock and property damage, always check the work area for hidden pipes and wires before drilling. WARNING! APPLICATIONS CAPACITIES Wood Steel Masonry Cat. No. Flat Boring Bits Auger Bits Ship Auger Bits Selfeed Bits Hole Saws Twist Drill Hole Saws Carbide-Tipped Bits 0233-20 1" N R N R N R 1-3/4" 3/8" 1" 3/8" 0234-1 RAD low RAD high 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/8" 1-1/4" 1-1/2" 1" 2" 2-1/4" 1-1/2" 4" 4-1/2" 2-3/4" 1/2" 1/2" 1/2" 2" 2-1/8" 1-1/2" 1/2" 9/16" 7/16" 0234-6 RAD low RAD high 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/8" 1-1/4" 1-1/2" 1" 2" 2-1/4" 1-1/2" 4" 4-1/2" 2-3/4" 1/2" 1/2" 1/2" 2" 2-1/8" 1-1/2" 1/2" 9/16" 7/16" 0235-21 1-1/2" 1-1/2" 1-1/4" 2" 4" 1/2" 2" 1/2" 0235-6 1-1/2" 1-1/2" 1-1/4" 2" 4" 1/2" 2" 1/2" 0236-6 RAD low RAD high 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/8" 1-1/4" 1-1/2" 1" 2" 2-1/4" 1-1/2" 4" 4-1/2" 2-3/4" 1/2" 1/2" 1/2" 2" 2-1/8" 1-1/2" 1/2" 9/16" 7/16" 0244-1 RAD low RAD high 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/2" 1-1/4" 2-1/4" 2-9/16" 1-3/4" 4-1/2" 5" 3-1/4" 1/2" 1/2" 1/2" 2-1/4" 2-1/4" 1-3/4" 9/16" 5/8" 1/2" 1. For forward (clockwise) rotation, push the forward/reverse switch to FWD as shown. 2. For reverse (counterclockwise) rotation, push the forward/reverse switch to REV as shown. Although an interlock prevents reversing the tool while the motor is running, allow it to come to a full stop before reversing. To reduce the risk of injury, keep hands and cord away from the bit and all moving parts. WARNING! Starting, Stopping and Controlling Speed 1. To start the tool, pull the trigger. 2. To stop the tool, release the trigger. 3. To vary the drilling speed, simply increase or decrease pressure on the trigger. The further the trigger is pulled, the greater the speed. Locking Trigger (Fig. 11) The lock button holds the trigger in the ON position for continuous full speed use. Lock button Fig. 11 Drilling 1. Before drilling, be sure the workpiece is clamped securely. Use backing material to prevent damage to the work-piece during breakthrough. 2. When starting a hole, place the drill bit on the work surface and apply firm pressure. Begin drilling at a slow speed, gradually increasing the speed as you drill. 3. Always apply pressure in line with the bit. Use enough pressure to keep the drill biting, but do not push hard enough to stall the motor. 4. Reduce pressure and ease the bit through the last part of the hole. While the tool is still running, pull the bit out of the hole to prevent jamming. Stalling If the tool seems as if it is about to stall, maintain a firm grip and reduce pressure slightly to allow the bit to regain speed. If the tool does stall, release the trigger immediately. Reverse the motor, remove the bit from the work and start again. Do not pull the trigger on and off in an attempt to start a stalled drill. This can damage the drill. 10 NR = Not recommended Selecting Bits When selecting a bit, use the right type for your job. For best performance, always use sharp bits. Drilling in Wood, Composition Materials and Plastic When drilling in wood, composition materials and plastic, start the drill slowly, gradually increasing speed as you drill. When using twist drill bits, pull the bit out of the hole frequently to clear chips from the bit flutes. Use low speeds for plastics with a low melting point. Drilling in Masonry When drilling in masonry, 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 flow 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. Drilling in Metal When drilling in metal, use high speed steel twist drills or hole saws. Use slow speeds for hard metals and high speeds for softer metals. 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 breakthrou...
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