Assessments - 3, GPA: 4.3
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2. When attaching accessories in the drill chuck, hand tighten the keyless chuck firmly. : Drill may stall (if overloaded or improperly used) causing a twist. Always expect the stall. Grip the drill firmly to control the twisting action and prevent loss of control which could cause personal injury. If a stall does occur, release the trigger immediately and determine the reason for the stall before re-starting. E 9 90550130 PC1800HD hammer drill 4/3/09 2:40 PM Page 10 Operating Instructions Trigger Switch & Forward/Reverse Button - Figure F The drill is turned ON and OFF by pulling and releasing the trigger switch (1) shown in figure F. The farther the trigger is depressed, the higher the speed of the drill. A forward/reverse control button (2) determines the direction of the tool and also serves as a lock off button. To select forward rotation, release the trigger switch and depress the forward/reverse control button. To select reverse, depress the forward/reverse control button in the opposite direction. The center position of the control button locks the tool in the off position. When changing the position of the control button, be sure the trigger is released. 1F2 Adjusting Torque Control - Figure G This tool is fitted with a torque adjustment collar (3) to select the operating mode and to set the torque for tightening screws. Large screws and hard workpiece materials require a higher torque setting than small screws and soft workpiece materials. Your drill has hammer action which is engaged by twisting the torque collar to the hammer symbol . Use hammer action when drilling in masonry. Hammer Action • If the clutch ratchets before the desired result is achieved, increase the collar setting and continue tightening the screw. Repeat until you reach the correct setting. Use this setting for the remaining screws. • Tighten the first screw. • Set the collar to the lowest torque setting. • For screwdriving, set the collar to the desired setting. If you do not yet know the appropriate setting, proceed as follows: • For drilling in wood, metal and plastics, set the collar to the drilling position symbol G3 Dual Range Gearing - Figure H The dual range feature of your drill allows you to shift gears for greater versatility. To select low speed, high torque setting (position 1), turn tool off and permit to stop. Slide gear shifter button (4) away from the chuck. To select the high speed, low torque setting (position 2), turn tool off and permit to stop. Slide gear shifter button back (towards the chuck). NOTE: Do not change gears when tool is running. If you are having trouble changing gears, make sure that the dual range gear button is either completely pushed forward or completely pushed back. 4H 10 90550130 PC1800HD hammer drill 4/3/09 2:40 PM Page 11 Keyless Chuck - Figure I To insert a drill bit or other accessory: 1. Grasp the chuck (5) and rotate it in the counterclockwise direction, as viewed from the chuck end. 2. Insert the bit or other accessory fully into the chuck, and tighten securely by rotating the chuck in the clockwise direction as viewed from the chuck end. : Do not attempt to tighten drill bits (or any other accessory) by gripping the front part of the chuck and turning the tool on. Damage to the chuck and personal injury may occur when changing accessories. I5 Screw Driving For driving fasteners, the reversing button should be pushed to the left. Use reverse (button pushed to the right) for removing fasteners. When moving from forward to reverse, or vice versa, always release the trigger switch first. On Board Bit Storage A bit storage slot is built-in to the area just above the battery. Drilling • Use sharp drill bits only. • Support and secure work properly, as instructed in the Safety Instructions. • Use appropriate and required safety equipment, as instructed in the Safety Instructions. • Secure and maintain work area, as instructed in the Safety Instructions. • Run the drill very slowly, using light pressure, until the hole is started enough to keep the drill bit from slipping out of it. • Apply pressure in a straight line with the bit. Use enough pressure to keep the bit biting but not so much as to stall the motor or deflect the bit. • Hold the drill firmly with one hand on the grip and the other hand on the bottom of the battery pack to control its twisting action. • DO NOT CLICK THE TRIGGER OF A STALLED DRILL OFF AND ON IN AN ATTEMPT TO START IT. DAMAGE TO THE DRILL CAN RESULT. • Minimize stalling on breakthrough by reducing pressure and slowly drilling through the last part of the hole. • Keep the motor running while pulling the bit out of a drilled hole. This will help reduce jamming. • Make sure switch turns drill on and off. Drilling in Wood Holes in wood can be made with the same twist drill bits used for metal or with spade bits. These bits should be sharp and should be pulled out frequently when drilling to clear chips from the flutes. Drilling in Metal Use a cutting lubricant ...
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