User manual DEWALT DWD110K

[. . . ] Any tool that cannot be controlled with the switch is dangerous and must be repaired. â· Disconnect the plug from the power source before making any adjustments, changing accessories, or storing the tool. Such preventative safety measures reduce the risk of starting the tool accidentally. â· Store idle tools out of reach of children and other untrained persons. [. . . ] If the tools should electrically malfunction or break down, grounding provides a low resistance path to carry electricity away from the user. â· Double insulated tools are equipped with a polarized plug (one blade is wider than the other. Double insulation eliminates the need for the three wire grounded power cord and grounded power supply system. â· Avoid body contact with grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is grounded. â· Don't expose power tools to rain or wet conditions. Never use the cord to carry the tools or pull the plug from an outlet. When operating a power tool outside, use an outdoor extension cord marked "W-A" or "W. " These cords are rated for outdoor use and reduce the risk of electric shock. When using an extension cord, be sure to use one heavy enough to carry the current your product will draw. An undersized cord will cause a drop in line voltage resulting in loss of power and overheating. The following table shows the correct size to use depending on cord length and nameplate ampere rating. DEWALT uses an advanced brush system which automatically stops the drill when the brushes wear out. A variable speed trigger switch (A) permits speed control--the farther the trigger is depressed, the higher the speed of the drill. NOTE: Use lower speeds for starting holes without a center punch, drilling in metal or plastics, driving screws or drilling ceramics. Higher speeds are better for drilling wood and composition boards and using abrasive and polishing accessories. The reversing lever (B) is used for withdrawing bits from tight holes and removing screws. To reverse the motor, release the trigger switch FIRST and then push the lever to the right. Always unplug the drill when attaching or changing bits or accessories. For WOOD, use twist drill bits, spade bits, power auger bits, or hole saws. When drilling thin material, use a wood "back-up" block to prevent damage to the material. Use enough pressure to keep drill biting, but do not push hard enough to stall the motor or deflect the bit. [. . . ] Tighten the chuck around the shorter end of a hex key (not supplied) of 1/4" or greater size. Using a soft hammer or piece of wood, strike the longer end in the counterclockwise direction, as shown in Figure 4. Tighten the chuck around the shorter end of a 1/4" or larger hex key (not supplied) strike the longer end in the clockwise direction with a soft hammer, as shown in Figure 5. Open the chuck jaws by turning collar with by hand and insert the shank of the bit about 3/4" into chuck. [. . . ]