User manual RYOBI 764R

[. . . ] The correct power tool will do the job better and safer at the rate for which it was designed. Any power tool that can not be controlled with the switch is dangerous and must be repaired. Disconnect the plug from the power source and/or the battery pack from the power tool before making any adjustments, changing accessories, or storing power tools. Such preventive safety measures reduce the risk of starting the power tool accidentally. [. . . ] The term "power tool" in the warnings refers to your mains-operated (corded) power tool or battery-operated (cordless) power tool. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Unmodified plugs and matching outlets will reduce risk of electric shock. Avoid body contact with earthed or grounded surfaces such as pipes, radiators, ranges and refrigerators. There is an increased risk of electric shock if your body is earthed or grounded. Never use the cord for carrying, pulling or unplugging the power tool. When operating a power tool outdoors, use an extension cord suitable for outdoor use. Use of a cord suitable for outdoor use reduces the risk of electric shock. If operating power tools in a damp location is unavoidable, use a residual current device (RCD) protected supply. Use of an RCD reduces the risk of electric shock. English hands of untrained users. Check for misalignment or binding of moving parts, breakage of parts and any other condition that may affect the power tools operation. The bit can be removed by rotating the chuck in a counterclockwise direction. The drilling mode shift knob for changing between the drilling mode and impact drilling mode is positioned on the top of the tool. DRILLING MODE: Shift the knob to the " " symbol for drilling. showing " IMPACT DRILLING MODE: Shift the knob to the " and showing " " symbol for impact drilling. OPERATING Never cover the air vents since they must always be open for proper motor cooling. DRILLING IN WOOD To prevent ugly splits around the drill hole on the reverse side of the workpiece, put a piece of scrap timber under the work piece. DRILLING IN METAL Metals such as steel, brass, aluminum sheets, stainless steel, and pipe may also be drilled. DRILLING IN CONCRETE Stone and masonry are generally drilled in the impact drilling mode. When drilling in delicate materials such as wall tiles, it is essential to start with ordinary drilling and, once the tile is pierced, to continue with impact drilling. In deep bore holes the drill bit should be pulled out occasionally in order to remove the debris from the drill and hole. To access this compartment unscrew the end cap below the grey trim on the handle in an anticlockwise direction. [. . . ] A bubble vial is located on the top of the motor housing to help keep the drill bit level during use. Recommendation: Always be supplied via a residual current device with a rated residual current of 30 mA or less. Loosen the handle grip by turning in direction, and tighten it at an easy to use position by turning the grip in direction. Depth gauge Holes of a fixed depth can be accurately bored by using the depth gauge. [. . . ]