[. . . ] These cords are rated for outdoor use and reduce the risk of electric shock. Proper footing and balance enables better control of the tool in unexpected situations. Dust mask, non-skid safety shoes, hard hat, or hearing protection must be used for appropriate conditions. Use clamps or other practical way to secure and support the workpiece to a stable platform. [. . . ] WARNING: MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. Number of blow CAUTION: Always be sure that the tool is switched off and unplugged before adjusting or checking function on the tool. CAUTION: Before plugging in the tool, always check to see that the switch trigger actuates properly and returns to the "OFF" position when released. Switch can be locked in "ON" position for ease of operator comfort during extended use. For continuous operation, pull the switch trigger and then push in the lock button. To stop the tool from the locked position, pull the switch trigger fully, then release it. For Model HP1620F, HP1621F CAUTION: Do not look in the light or see the source of light directly. nOTE: · Use a dry cloth to wipe the dirt off the lens of lamp. Be careful not to scratch the lens of lamp, or it may lower the illumination. Never use gasoline or thinner to clean the lens of the lamp, or it will be damaged. Use the reversing switch only after the tool comes to a complete stop. Changing the direction of rotation before the tool stops may damage the tool. For rotation only, slide the action mode change lever to the left ( symbol). CAUTION: Always slide the action mode change lever all the way to your desired mode position. If you operate the tool with the lever positioned halfway between the mode symbols, the tool may be damaged. CAUTION: Always be sure that the tool is switched off and unplugged before carrying out any work on the tool. Then tighten the grip by turning clockwise securely at the desired position. The side grip cannot swing 360° when the depth gauge is installed. To remove the bit, turn the chuck key counterclockwise in just one hole, then loosen the chuck by hand. After using the chuck key, be sure to return to the original position. If the keyless drill chuck cannot be loosened because of a drill bit being caught inside the jaws of the chuck, loosen the drill chuck as follows. Hold the sleeve of the drill chuck firmly with water pump pliers or the like (Note: Do not hold the retaining ring portion. [. . . ] The use of any other accessories or attachments might present a risk of injury to persons. If you need any assistance for more details regarding these accessories, ask your local Makita service center. For the authorized service centre nearest you please refer to the local yellow pages directory under "tools" or contact our customer service department (Tel) 1-800-263-3734 Explain the problem in a letter · enclose the letter with the tool · Package carefully and send prepaid to the nearest Makita factory or authorized service centre Every Makita tool is thoroughly inspected and tested before leaving the factory. It is warranted to be free of defects from workmanship and materials for the period of ONE YEAR from the date of original purchase. [. . . ]