Makita BDF451 Owners Manual - Page 4

4. Hold the tool firmly. 5. Keep hands away from rotating parts. 6. Do not leave the tool running. Operate the tool only when hand-held. 7. Do not touch the drill bit or the workpiece imme- diately after operation; they may be extremely hot and could burn your skin. 8. Some material contains chemicals which may be toxic. Take caution to prevent dust inhalation and skin contact. Follow material supplier safety data. SAVE THESE INSTRUCTIONS WARNING: MISUSE or failure to follow the safety rules stated in this instruction manual may cause serious personal injury. SYMBOLS USD301-1 The followings show the symbols used for tool. V volts direct current no load speed .../min revolutions or reciprocation per minute IMPORTANT SAFETY INSTRUCTIONS FOR BATTERY CARTRIDGE ENC007-1 1. Before using battery cartridge, read all instruc- tions and cautionary markings on (1) battery charger, (2) battery, and (3) product using battery. 2. Do not disassemble battery cartridge. 3. If operating time has become excessively shorter, stop operating immediately. It may result in a risk of overheating, possible burns and even an explosion. 4. If electrolyte gets into your eyes, rinse them out with clear water and seek medical attention right away. It may result in loss of your eyesight. 5. Do not short the battery cartridge: (1) Do not touch the terminals with any conduc- tive material. (2) Avoid storing battery cartridge in a container with other metal objects such as nails, coins, etc. (3) Do not expose battery cartridge to water or rain. A battery short can cause a large current flow, overheating, possible burns and even a breakdown. 6. Do not store the tool and battery cartridge in locations where the temperature may reach or exceed 50°C (122°F). 7. Do not incinerate the battery cartridge even if it is severely damaged or is completely worn out. The battery cartridge can explode in a fire. 8. Be careful not to drop or strike battery. SAVE THESE INSTRUCTIONS Tips for maintaining maximum battery life 1. Charge the battery cartridge before completely discharged. Always stop tool operation and charge the battery cartridge when you notice less tool power. 2. Never recharge a fully charged battery cartridge. Overcharging shortens the battery service life. 3. Charge the battery cartridge with room temperature at 10°C - 40°C (50°F - 104°F). Let a hot battery cartridge cool down before charging it. 4. Charge the Lithium-ion battery cartridge when you do not use it for more than six months. FUNCTIONAL DESCRIPTION CAUTION: • Always be sure that the tool is switched off and the battery cartridge is removed before adjusting or checking function on the tool. Installing or removing battery cartridge 006717 1. Red part 1 2. Button 3. Battery car- 2 tridge 3 • Always switch off the tool before insertion or removal of the battery cartridge. • To remove the battery cartridge, withdraw it from the tool while sliding the button on the front of the cartridge. 4