Makita DHP446 Instruction Manual

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Contents

69. Do not touch the bit or the workpiece immediatelyafter operation; they may be extremely hot andcould burn your skin.10. Some material contains chemicals which may betoxic. Take caution to prevent dust inhalation andskin contact. Follow material supplier safety data.SAVE THESE INSTRUCTIONS.WARNING:DO NOT let comfort or familiarity with product (gainedfrom repeated use) replace strict adherence to safetyrules for the subject product. MISUSE or failure tofollow the safety rules stated in this instructionmanual may cause serious personal injury.IMPORTANT SAFETYINSTRUCTIONS ENC007-9FOR BATTERY CARTRIDGE1. Before using battery cartridge, read allinstructions and cautionary markings on (1)battery charger, (2) battery, and (3) productusing battery.2. Do not disassemble battery cartridge.3. If operating time has become excessively shorter,stop operating immediately. It may result in a riskof overheating, possible burns and even anexplosion.4. If electrolyte gets into your eyes, rinse them outwith clear water and seek medical attention rightaway. It may result in loss of your eyesight.5. Do not short the battery cartridge:(1) Do not touch the terminals with anyconductive material.(2) Avoid storing battery cartridge in a containerwith other metal objects such as nails, coins,etc.(3) Do not expose battery cartridge to water orrain.A battery short can cause a large current flow,overheating, possible burns and even abreakdown.6. Do not store the tool and battery cartridge inlocations where the temperature may reach orexceed 50°C (122°F).7. Do not incinerate the battery cartridge even if it isseverely damaged or is completely worn out. Thebattery cartridge can explode in a fire.8. Be careful not to drop or strike battery.9. Do not use a damaged battery.10. Follow your local regulations relating to disposalof battery.SAVE THESE INSTRUCTIONS.Tips for maintaining maximum battery life1. Charge the battery cartridge before completelydischarged.Always stop tool operation and charge thebattery cartridge when you notice less toolpower.2. Never recharge a fully charged battery cartridge.Overcharging shortens the battery service life.3. Charge the battery cartridge with roomtemperature at 10°C - 40°C (50°F - 104°F). Let a hotbattery cartridge cool down before charging it.4. Charge the battery cartridge if you do not use it fora long period (more than six months).FUNCTIONAL DESCRIPTIONCAUTION:• Always be sure that the tool is switched off and thebattery cartridge is removed before adjusting orchecking function on the tool.Installing or removing battery cartridge(Fig. 1)CAUTION:• Always switch off the tool before installing or removingof the battery cartridge.• Hold the tool and the battery cartridge firmly wheninstalling or removing battery cartridge. Failure tohold the tool and the battery cartridge firmly may causethem to slip off your hands and result in damage to thetool and battery cartridge and a personal injury.To remove the battery cartridge, slide it from the tool whilesliding the button on the front of the cartridge.To install the battery cartridge, align the tongue on thebattery cartridge with the groove in the housing and slip itinto place. Insert it all the way until it locks in place with alittle click. If you can see the red indicator on the upperside of the button, it is not locked completely.CAUTION:• Always install the battery cartridge fully until the redindicator cannot be seen. If not, it may accidentally fallout of the tool, causing injury to you or someonearound you.• Do not install the battery cartridge forcibly. If thecartridge does not slide in easily, it is not being insertedcorrectly.Battery protection system (Lithium-ionbattery with star marking) (Fig. 2)Lithium-ion batteries with a star marking are equippedwith a protection system. This system automatically cutsoff power to the tool to extend battery life.The tool will automatically stop during operation if the tooland/or battery are placed under one of the followingconditions:• Overloaded:The tool is operated in a manner that causes it todraw an abnormally high current.In this situation, release the switch trigger on the tooland stop the application that caused the tool tobecome overloaded. Then pull the switch triggeragain to restart.If the tool does not start, the battery is overheated. Inthis situation, let the battery cool before pulling theswitch trigger again.

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