[. . . ] Power supply The tool should be connected only to a power supply of the same voltage as indicated on the nameplate, and can only be operated on single-phase AC supply. They are double-insulated in accordance with European Standard and can, therefore, also be used from sockets without earth wire. Safety hints For your own safety, please refer to the enclosed safety instructions. it is also highly recommended that you wear a dust mask and thickly padded gloves. [. . . ] 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. Install the side grip so that the teeth on the grip fit in between the protrusions on the tool barrel. Coat the bit shank head beforehand with a small amount of bit grease (about 0. ⷠ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. 7) After installing, always make sure that the bit is securely held in place by trying to pull it out. To remove the bit, pull the chuck cover down all the way and pull the bit out. The depth gauge cannot be used at the position where the depth gauge strikes against the gear housing. Select one of the two modes suitable for your work needs by using this knob. For rotation only, depress the lock button and turn the knob so that the arrow on the knob points toward the symbol on the tool body. For rotation with hammering, depress the lock button and turn the knob so that the arrow on the knob points toward the symbol on the tool body. cAUTION: · Always set the knob fully to your desired mode symbol. If you operate the tool with the knob positioned halfway between the mode symbols, the tool may be damaged. ⷠUse the knob after the tool comes to a complete stop. Use the dust cup to prevent dust from falling over the tool and on yourself when performing overhead drilling operations. There is a tremendous and sudden twisting force exerted on the tool/bit at the time of hole breakthrough, when the hole becomes clogged with chips and particles, or when striking reinforcing rods embedded in the concrete. Always use the side grip (auxiliary handle) and firmly hold the tool by both side grip and switch handle during operations. , move the action mode changing knob to the position of symbol to use "rotation with hammering" action. Keep the tool in position and prevent it from slipping away from the hole. [. . . ] Never use "rotation with hammering" when the drill chuck assembly is installed on the tool. In fact, this excessive pressure will only serve to damage the tip of your bit, decrease the tool performance and shorten the service life of the tool. Hold the tool firmly and exert care when the bit begins to break through the workpiece. ⷠA stuck bit can be removed simply by setting the reversing switch to reverse rotation in order to back out. [. . . ]