User manual MAKITA 6911HDA

[. . . ] Do not operate charger if it has received a sharp blow, been dropped, or otherwise damaged in any way; take it to a qualified serviceman. Do not disassemble charger or battery cartridge; take it to a qualified serviceman when service or repair is required. Incorrect reassembly may result in a risk of electric shock or fire. To reduce risk of electric shock, unplug charger from outlet before attempting any maintenance or cleaning. [. . . ] When you charge a new battery cartridge or a battery cartridge which has not been used for a long period of time, it may not accept a full charge. This is a normal condition and does not indicate a problem. You can recharge the battery cartridge fully after discharging it completely and recharging a couple of times. If you charge a battery cartridge from a justoperated machine or a battery cartridge which has been left in a location exposed to direct sunlight or heat for a long time, the charging light may flash in red color. charging will begin after the battery cartridge cools. The battery cartridge will cool faster if you remove the battery cartridge from the fast charger. If the charging light flashes alternately in green and red color and a tone sounds ``beep, beep, beep, . '' for about 20 seconds, 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. Your new battery cartridge is not charged. The charging light will flash in green color. Insert the battery cartridge so that the plus and minus terminals on the battery cartridge are on the same sides as their respective markings on the fast charger. When the battery cartridge is inserted, the charging light color will change from green to red and charging will begin. The charging light will remain lit steadily during charging. Your new battery cartridge is not charged. The charging light will flash in green color. When the charging light color changes from red to green, the charging cycle is complete. If you leave the battery cartridge in the charger after the charging cycle is complete, the charger will switch into its ``trickle charge (maintenance charge)'' mode which will last approximately 24 hours. After charging, unplug the charger from the power source. Always use the correct size socket for bolts and nuts. Important: Always be sure that the machine is switched off and the battery cartridge is removed before installing or removing the socket. Move the O-ring out of the groove in the socket and remove the pin from the socket. [. . . ] CAUTION: If the machine is operated continuously until the battery cartridge has discharged, allow the machine to rest for 15 minutes before proceeding with a fresh battery. Always install the set plate when using battery cartridges 1200, 1202 or 1202A. Install the set plate on the tool with the screw provided as shown in figure. CAUTION: Always be sure that the machine is switched off and the battery cartridge is removed before carrying out any work on the machine. [. . . ]