- 15 -[Battery Pack]For Appropriate Use ofBattery packLi-ion Battery pack• For optimum battery life, store theLi-ion battery pack following usewithout charging it.• When charging the battery pack,confirm that the terminals on thebattery charger are free of foreignsubstances such as dust andwater etc. Clean the terminals beforecharging the battery pack if anyforeign substances are found on theterminals.The life of the battery pack terminalsmay be affected by foreign subs-tances such as dust and water etc.during operation.• When battery pack is not in use, keepit away from other metal objects like:paper clips, coins, keys, nails, screws,or other small metal objects that canmake a connection from one terminalto another.Shorting the battery terminals togethermay cause sparks, burns or a fire.• When operating the battery pack,make sure the work place is wellventilated.• When the battery pack is removedfrom the main body of the tool, replacethe battery pack cover immediatelyin order to prevent dust or dirt fromcontaminating the battery terminalsand causing a short circuit.Battery Pack LifeThe rechargeable batteries havea limited life. If the operation timebecomes extremely short afterrecharging, replace the battery packwith a new one.Battery RecyclingATTENTION:For environmental protection andrecycling of materials, be sure that itis disposed of at an officially assignedlocation, if there is one in your country.Recommendations for useTerminalsLabelPack coverBe sure to use the Pack cover• When the battery pack is not being used,store the battery in a way that foreignsubstances such as dust and water etc. donot contaminate the terminals. Be sure toattach the battery pack cover to protect thebattery terminals.• When charging the battery pack, confirmthat the terminals on the battery chargerare free of foreign substances such as dustand water etc. Clean the terminals beforecharging the battery pack if any foreignsubstances are found on the terminals.The life of the battery pack terminals maybe affected by foreign substances such asdust and water etc. during operation.CAUTIONTo protect the motor or battery, be sureto note the following when carrying outoperation.• If the battery becomes hot, theprotection function will be activatedand the battery will stop operating. Theoverheat warning lamp on the controlpanel illuminates or flashes when thisfeature is active.For safe use• The battery pack is designed to be installedby proceeding two steps for safety. Makesure the battery pack is installed properly tothe main unit before use.• If the battery pack is not connected firmlywhen the switch is switched on, the