User manual MAKITA BTW150

[. . . ] A battery short can cause a large current flow, overheating, possible burns and even a breakdown. Do not store the tool and battery cartridge in locations where the temperature may reach or exceed 50°C (122°F). Do not incinerate the battery cartridge even if it is severely damaged or is completely worn out. Before using battery charger, read all instructions and cautionary markings on (1) battery charger, (2) battery, and (3) product using battery. [. . . ] With finish of charge, the charging lights will change from two red ones to two green ones. 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. Never use it for other purposes or for other manufacturer's batteries. ⷠ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. 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 just-operated tool or battery cartridge which has been left in a location exposed to direct sunlight for a long time, the charging light may flash in red color. charging will begin after the battery cartridge is cooled by the cooling fan installed in the charger. 70°C, two charging lights may flash in red color, and when approx. If the charging light flashes alternately in green and red color, 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. The cooling system is in order although no sound of cooling fan comes out, if the yellow warning light will not flash. ⷠAlways keep clean the vent on charger and battery for cooling. ⷠThe products should be sent to repair or maintenance, if the yellow warning light will frequently flash. Conditioning charge can extend the life of battery by automatically searching the optimum charging condition for the batteries in every situation. The battery employed in the following conditions repeatedly, will be worn out shortly, and yellow warning light may flash. Recharge under broken cooling system The charging time of such battery is longer than usual. 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. This charger is equipped with cooling fan for heated battery in order to enable the battery to prove its own performance. Sound of cooling air comes out during cooling, which means no trouble on the charger. ⷠYellow light will flash for warning in the following cases. ­ Trouble on cooling fan ­ Incomplete cool down of battery, such as, being clogged with dust The battery can be charged in spite of the yellow warning light. Check the sound of cooling fan, vent on the charger and battery, which can be sometime clogged with dust. [. . . ] 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 arround you. The proper fastening torque may differ depending upon the kind or size of the bolt, the material of the workpiece to be fastened, etc. CAUTION: These accessories or attachments are recommended for use with your Makita tool specified in this manual. [. . . ]