45. Do not short the battery cartridge:(1) Do not touch the terminals with anyconductive material.(2) Avoid storing battery cartridge in acontainer with other metal objects such asnails, coins, etc.(3) Do not expose battery cartridge to wateror rain.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 ゚ C (122 ゚ F).7. Do not incinerate the battery cartridge even ifit is severely damaged or is completely wornout. The battery cartridge can explode in a fire.8. Be careful not to drop or strike battery.9. Do not use a damaged 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 batterycartridge.Overcharging shortens the battery service life.3. Charge the battery cartridge with roomtemperature at 10 ゚ C - 40 ゚ C (50 ゚ F - 104 ゚ F).Let a hot battery cartridge cool down beforecharging it.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 cartridgeCAUTION:• Hold the tool and the battery cartridge firmlywhen installing or removing battery cartridge.Failure to hold the tool and the battery cartridgefirmly may cause them to slip off your hands andresult in damage to the tool and battery cartridgeand a personal injury.123011050• Always switch off the tool before insertion orremoval of the battery cartridge.• To remove the battery cartridge, withdraw it fromthe tool while sliding the button on the front of thecartridge.• To insert the battery cartridge, align the tongue onthe battery cartridge with the groove in the housingand slip it into place. Always insert it all the wayuntil it locks in place with a little click. If you can seethe red part on the upper side of the button, it is notlocked completely. Insert it fully until the red partcannot be seen. If not, it may accidentally fall out ofthe tool, causing injury to you or someone aroundyou.• Do not use force when inserting the batterycartridge. If the cartridge does not slide in easily, itis not being inserted correctly.Battery protection systemThe battery cartridge is equipped with the protectionsystem, which automatically cuts off the output power forits long service life.The tool may stop during operation when the tool and/orbattery are placed under the following situation. This iscaused by the activation of protection system and doesnot show the tool trouble.• When the tool is overloaded:At this time, press the "OFF" button andremove causes of overload and then press1. Red part2. Button3. Battery cartridge