81. Make sure that the lock lever is not tightened.2. Align the pin with the arrow mark.3. Insert the shaft into the drive shaft of the power unituntil the release button pops up.4. Tighten the lock lever firmly as shown.To remove the attachment, loosen the lock lever, pressthe lock button and withdraw the shaft.NOTICE:• Do not tighten the lock lever without the shaft of theattachment inserted. Otherwise the lock lever maytighten the entrance of the drive shaft too much anddamage it.Attaching shoulder harness (Fig. 10)Put the shoulder harness on your left shoulder by puttingyour head and right arm through it. Keep the tool on yourright side.After putting the shoulder harness, attach it to the tool byconnecting the buckles provided on both the tool hookand the harness. Be sure that the buckles click and lockcompletely in place.Adjust the strap to the suitable length for your operation.(Fig. 11)The buckle is provided with a means of quick releasewhich can be accomplished by simply squeezing thesides and the buckle.WARNING:• Be extremely careful to maintain control of the toolat all times. Do not allow the tool to be deflectedtoward you or anyone in the work vicinity. Failure tokeep control of the tool could result in serious injury tothe bystander and the operator.MAINTENANCEWARNING:• Always be sure that the tool is switched off andbattery cartridge is removed before attempting toperform inspection or maintenance on the tool.Failure to switch off and remove the battery cartridgemay result in serious personal injury from accidentalstart-up.NOTICE:• Never use gasoline, benzine, thinner, alcohol or thelike. Discoloration, deformation or cracks may result.To maintain product SAFETY and RELIABILITY, repairs,any other maintenance or adjustment should beperformed by Makita Authorized Service Centers, alwaysusing Makita replacement parts.TROUBLE SHOOTINGBefore asking for repairs, conduct your own inspectionfirst. If you find a problem that is not explained in themanual, do not attempt to dismantle the tool. Instead, askMakita Authorized Service Centers, always using Makitareplacement parts for repairs.012662OPTIONAL ACCESSORIESCAUTION:• These accessories or attachments are recommendedfor use with your Makita tool specified in this manual.The use of any other accessories or attachments mightpresent a risk of injury to persons. Only use accessoryor attachment for its stated purpose.If you need any assistance for more details regardingthese accessories, ask your local Makita Service Center.• Brushcutter attachment• Hedge trimmer attachment• Pole saw attachment• Cultivator attachment• Coffee harvester attachment• Shaft extension attachment• Makita genuine battery and chargerNOTE:• Some items in the list may be included in the toolpackage as standard accessories. They may differfrom country to country.Malfunction status Cause ActionMotor does not run. Battery cartridge is not installed. Install the battery cartridge.Battery problem (under voltage) Recharge the battery. If recharging isnot effective, replace battery.The drive system does not workcorrectly.Ask your local authorized service centerfor repair.Motor stops running after a little use. Rotation is in reverse. Change the direction of rotation with thereversing switch.Battery’s charge level is low. Recharge the battery. If recharging isnot effective, replace battery.Overheating. Stop using of tool to allow it to cooldown.It does not reach maximum RPM. Battery is installed improperly. Install the battery cartridge as describedin this manual.Battery power is dropping. Recharge the battery. If recharging isnot effective, replace battery.The drive system does not workcorrectly.Ask your local authorized service centerfor repair.