User manual MAKITA UB121DZ

[. . . ] To reduce risk of electric shock, unplug charger from outlet before attempting any maintenance Turning off controls will not reduce this risk. The battery charger is not intended for use by young children or infirm persons without supervision. Young children should be supervised to ensure that they do not play with the battery charger. if operating time has become excessively shorter , stop operating immediately. [. . . ] the battery cartridge can explode in a fire. Be careful not to drop, shake or strike battery. Do not charge inside a box or container of any kind. The battery must be placed in a well ventilated area during charging. Always switch off the tool before insertion or removal of the battery cartridge. To remove the battery cartridge, withdraw it from the tool while pressing the push buttons on both sides of the cartridge. To insert the battery cartridge, align the tongue on the battery cartridge with the groove in the housing and slip it into place. Always insert it all the way until it locks in place with a little click. If not, it may accidentally fall out of the tool, causing injury to you or someone around you. Do not use force when inserting the battery cartridge. If the cartridge does not slide in easily, it is not being inserted correctly. The battery cartridge will cool faster if you remove the battery cartridge from the battery charger. If the charging light flashes alternately in green and red color, a problem exists and charging is not possible. The terminals on the charger or battery cartridge are clogged with dust or the battery cartridge is worn out or damaged. If you leave the battery cartridge in the charger to prevent spontaneous discharging after full charge, the charger will switch into its "trickle charge (maintenance charge)" mode and keep the battery cartridge fresh and fully charged. Always stop tool operation and charge the battery cartridge when you notice less tool power. Charge the Nickel Metal Hydride battery cartridge when you do not use it for more than six months. For dust blowing, attach the nozzle to blower outlet, turning clockwise to lock it in place. CAUTION: Always be sure that the tool is switched off and the battery cartridge is removed before carrying out any work on the tool. For dust suction, fit nozzle onto suction inlet and dust bag onto blower outlet. After the bag fills with dust, empty the contents of the dust bag into a dust bin by releasing the fastener. CAUTION: Empty the dust bag before it becomes too full, or the suction force weakens. [. . . ] Use the adjusting dial only after the switch trigger returns to the "OFF" position. Turning the dial before the trigger returns may damage the tool. If the tool is operated continuously until the battery cartridge has discharged, rest the tool for at least 15 minutes before proceeding with a fresh battery. Always install the set plate when using battery cartridges 1200, 1202 or 1202A. [. . . ]