41. Hold power tools by insulated grippingsurfaces when performing an operation wherethe cutting tool may contact hidden wiring orits own cord. Contact with a "live" wire will makeexposed metal parts of the tool "live" and shockthe operator.2. Always be sure you have a firm footing.Be sure no one is below when using the tool inhigh locations.3. Hold the tool firmly.4. Keep hands away from rotating parts.5. Do not leave the tool running. Operate the toolonly when hand-held.6. Do not touch the drill bit or the workpieceimmediately after operation; they may beextremely hot and could burn your skin.7. Some material contains chemicals which maybe toxic. Take caution to prevent dustinhalation and skin contact. Follow materialsupplier safety data.SAVE THESE INSTRUCTIONS.WARNING:MISUSE or failure to follow the safety rules stated inthis instruction manual may cause serious personalinjury. ENC007-2IMPORTANT SAFETYINSTRUCTIONSFOR 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 excessivelyshorter, stop operating immediately. It mayresult in a risk of overheating, possible burnsand even an explosion.4. If electrolyte gets into your eyes, rinse themout with clear water and seek medicalattention right away. It may result in loss ofyour eyesight.5. 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 currentflow, overheating, possible burns andeven a breakdown.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.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 cartridgeFig.1• 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 cansee the red part on the upper side of the button, itis not locked completely. Insert it fully until the redpart cannot be seen. If not, it may accidentally fallout of the tool, causing injury to you or someonearound you.• Do not use force when inserting the batterycartridge. If the cartridge does not slide in easily, itis not being inserted correctly.Switch actionFig.2CAUTION:• Before inserting the battery cartridge into the tool,always check to see that the switch triggeractuates properly and returns to the "OFF" positionwhen released.