7 ENGLISHFUNCTIONALDESCRIPTIONCAUTION: Always be sure that the tool isswitched off and the battery cartridge is removedbefore adjusting or checking function on the tool.Installing or removing batterycartridgeCAUTION: Always switch off the tool beforeinstalling or removing of the battery cartridge.CAUTION: Hold the tool and the battery car-tridge firmly when installing or removing batterycartridge. Failure to hold the tool and the batterycartridge firmly may cause them to slip off your handsand result in damage to the tool and battery cartridgeand a personal injury.► Fig.1: 1. Red indicator 2. Button 3. Battery cartridgeTo remove the battery cartridge, slide it from the toolwhile sliding 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 slipit into place. Insert it all the way until it locks in placewith a little click. If you can see the red indicator on theupper side of the button, it is not locked completely.CAUTION: Always install the battery cartridgefully until the red indicator cannot be seen. If not,it may accidentally fall out of the tool, causing injury toyou or someone around you.CAUTION: Do not install the battery cartridgeforcibly. If the cartridge does not slide in easily, it isnot being inserted correctly.Tool / battery protection systemThe tool is equipped with a tool/battery protection sys-tem. This system automatically cuts off power to themotor to extend tool and battery life. The tool will auto-matically stop during operation if the tool or battery isplaced under one of the following conditions.Overload protectionWhen the tool is operated in a manner that causes it todraw an abnormally high current, the tool automaticallystops without any indication. In this situation, turn thetool off and stop the application that caused the tool tobecome overloaded. Then turn the tool on to restart.Overheat protectionWhen the tool is overheated, the tool stops automatically.Let the tool cool down before turning the tool on again.Overdischarge protectionWhen the battery capacity becomes low, the tool stopsautomatically. If the product does not operate evenwhen the switches are operated, remove the batteriesfrom the tool and charge the batteries.Indicating the remaining batterycapacityOnly for battery cartridges with the indicator► Fig.2: 1. Indicator lamps 2. Check buttonPress the check button on the battery cartridge to indi-cate the remaining battery capacity. The indicator lampslight up for a few seconds.Indicator lamps RemainingcapacityLighted Off Blinking75% to 100%50% to 75%25% to 50%0% to 25%Charge thebattery.The batterymay havemalfunctioned.NOTE: Depending on the conditions of use and theambient temperature, the indication may differ slightlyfrom the actual capacity.Switch actionWARNING: Before installing the battery car-tridge into the tool, always check to see that theswitch trigger actuates properly and returns tothe "OFF" position when released.WARNING: NEVER defeat the lock-off leverby taping down or some other means. A switch witha negated lock-off lever may result in unintentionaloperation and serious personal injury.WARNING: NEVER use the tool if it runs whenyou simply pull the switch trigger without press-ing the lock-off lever. A switch in need of repair mayresult in unintentional operation and serious personalinjury. Return tool to a Makita service center forproper repairs BEFORE further usage.To prevent the switch trigger from being accidentallypulled, a lock-off lever is provided. To start the tool,depress the lock-off lever and pull the switch trigger.Release the switch trigger to stop.► Fig.3: 1. Switch trigger 2. Lock-off leverNOTICE: Do not pull the switch trigger hard with-out pressing in the lock-off lever. This can causeswitch breakage.