[. . . ] It may result in a risk of overheating, possible burns and even an explosion. If electrolyte gets into your eyes, rinse them out with clear water and seek medical attention right away. Do not short the battery cartridge: (1) Do not touch the terminals with any conductive material. A battery short can cause a large current flow, overheating, possible burns and even a breakdown. [. . . ] ⷠWhen not operating the tool, always set the reversing switch lever to the neutral position. this tool has a reversing switch to change the direction of rotation. Depress the reversing switch lever from the A side for clockwise rotation or from the B side for counterclockwise rotation. When the reversing switch lever is in the neutral position, the switch trigger cannot be pulled. To install the hook, insert it into a groove in the tool housing on either side and then secure it with a screw. If you operate the tool with the speed change lever positioned halfway between the "1" side and "2" side, the tool may be damaged. ⷠDo not use the speed change lever while the tool is running. To change the speed, first switch off the tool and then slide the speed change lever to the "2" side for high speed or "1" side for low speed. Be sure that the speed change lever is set to the correct position before operation. Fit the bit holder into the protrusion at the tool foot on either right or left side and secure it with a screw. Always insert the battery cartridge all the way until it locks in place. If you can see the red part on the upper side of the button, it is not locked completely. If not, it may accidentally fall out of the tool, causing injury to you or someone around you. Hold the tool firmly with one hand on the grip and the other hand on the bottom of the battery cartridge to control the twisting action. Select one of the three modes suitable for your work needs by using this ring. For rotation only, turn the ring so that the arrow on the tool body points toward the mark on the ring. For rotation with hammering, turn the ring so that the arrow points toward the mark on the ring. For rotation with clutch, turn the ring so that the arrow points toward the mark on the ring. cAUTION: · Always set the ring correctly to your desired mode mark. If you operate the tool with the ring positioned halfway between the mode marks, the tool may be damaged. 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. First, turn the action mode changing ring so that the arrow on the tool body points to the marking. [. . . ] A stuck bit can be removed simply by setting the reversing switch to reverse rotation in order to back out. Always secure small workpieces in a vise or with a similar hold-down device. If the tool is operated continuously until the battery cartridge has discharged, allow the tool to rest for 15 minutes before proceeding with a fresh battery. These accessories or attachments are recommended for use with your Makita tool specified in this manual. [. . . ]