User manual MAKITA BFT043F

[. . . ] Do not touch the bit or the workpiece immediately after operation; they may be extremely hot and could burn your skin. Before using battery cartridge, read all instructions and cautionary markings on (1) battery charger, (2) battery, and (3) product using battery. 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. [. . . ] Insert it fully until the red part cannot be seen. If not, it may accidentally fall out of the tool, causing injury to you or someone around you. The lamp on the tool shows the following functions. For approximately one second after auto-stop fastening, the tool does not start even if the switch trigger is pulled. Insufficient fastening has been performed when the switch trigger has released before reaching the preset fastening torque. Lights up in green for approximately one second. Status This indicates the appropriate time to replace the battery cartridge when the battery power becomes low. This function works when the battery power is almost used up. This function works to check the proper operation of the LED indicator, light and beeper when a battery cartridge has been inserted into the tool. This function works when an abnormal drop of the battery voltage occurs for some reason, and the tool stops. This function works when the temperature of the controller goes up very highly, and the tool stops. This function works to avoid the tool's immediate start upon insertion of battery cartridge into the tool with the switch trigger being pulled. Action to be taken Replace the battery with fully charged one Replace the battery with fully charged one Lights up first in green, next red. Replace the battery with fully charged one Remove the battery cartridge immediately and cool the tool down. First remove the battery cartridge from the tool. Rotate the ring in the front of the tool by hand so that a hole can be seen below the ring. Insert the pin of the adjust grip into the hole in the front of the tool. And then, turn the adjust grip clockwise to set a greater fastening torque, and counterclockwise to set a smaller fastening torque. Align the yellow line with your desired number on the fastening torque scale. Insert the battery cartridge and be sure that a fastening torque has been set up by using a fastening torque tester. Rotate the ring in the front of the tool and then tighten the screw to secure the ring. nOTE: · Numbers on the fastening torque scale are a guideline to set up your desired fastening torque. [. . . ] Replace when they wear down to the limit mark. Keep the carbon brushes clean and free to slip in the holders. Both carbon brushes should be replaced at the same time. Take out the worn carbon brushes, insert the new ones and secure the brush holder caps. [. . . ]