5. Do not short the battery cartridge:(1) Do not touch the terminals with any con-ductive material.(2) Avoid storing battery cartridge in a con-tainer with other metal objects such asnails, coins, etc.(3) Do not expose battery cartridge to water orrain.A battery short can cause a large currentflow, overheating, possible burns and evena breakdown.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 ifit is severely damaged or is completely wornout. The battery cartridge can explode in a fire.8. Be careful not to drop, shake or strike battery.9. Do not charge inside a box or container of anykind. The battery must be placed in a wellventilated area during charging.ADDITIONAL SAFETY RULESFOR TOOL ENB022-11. Be aware that this tool is always in an operat-ing condition, because it does not have to beplugged into an electrical outlet.2. Hold tool by insulated gripping surfaces whenperforming an operation where the cutting toolmay contact hidden wiring. Contact with a‘‘live’’ wire will also make exposed metal partsof the tool ‘‘live’’ and shock the operator.3. Always be sure you have a firm footing.4. Be sure no one is below when using the tool inhigh locations.5. Hold the tool firmly.6. Keep hands away from rotating parts.7. Do not leave the tool running. Operate the toolonly when hand-held.8. Do not touch the drill bit or the workpieceimmediately after operation; they may beextremely hot and could burn your skin.SAVE THESE INSTRUCTIONS.OPERATING INSTRUCTIONSInstalling or removing battery cartridge(Fig. 1)• Always switch off the tool before insertion orremoval of the battery cartridge.• To remove the battery cartridge, withdraw it from thetool while pressing the buttons on both sides 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 way untilit locks in place with a little click. If not, it mayaccidentally fall out of the tool, causing injury to youor someone around you.• Do not use force when inserting the battery car-tridge. If the cartridge does not slide in easily, it isnot being inserted correctly.Charging (Fig. 2)Your new battery cartridge is not charged. You will need to charge it before use. Use the fast charger ModelDC1411 to charge the battery cartridge.Plug the fast charger into the proper AC voltage source. The charging light will flash in green color. Insert thebattery cartridge so that the plus and minus terminals on the battery cartridge are on the same sides as theirrespective markings on the fast charger. Insert the cartridge fully into the port so that it rests on the charger portfloor. When the battery cartridge is inserted, the charging light color will change from green to red and chargingwill begin. The charging light will remain lit steadily on red during charging. When the charging light colorchanges from red to green, the charging cycle is complete. If you leave the battery cartridge in the charger afterthe charging cycle is complete, the charger will switch into its ‘‘trickle charge (maintenance charge)’’ modewhich will last approximately 24 hours. After charging, unplug the charger from the power source.5