10Maintenance scheduleOperating hour BeforeOperation Daily (10h) 30h If required CorrespondingpageWhole unit Visually inspect for damagedparts 9All fixing screws and nuts Tighten 9Gear case Supply grease 9Drive axle Supply grease 9Cutter blade Visually inspect for damage 8Power unit Refer to the instruction manual of the power unitTroubleshootingProblem Probable caus SolutionThe engine does not start. Refer to the instruction manual of the power unit.The engine stops soon after its start.The maximum speed is limited.The cutting tool does not rotate.Stop the motor immediately!The cutting tool is not tightened securely. Tighten the cutting tool securely.A twig is caught between the cutting tool andthe protector.Remove the foreign matter.The drive system does not work properly. Ask Makita authorized service center toinspect and repair it.The unit vibrates abnormally.Stop the motor immediately!The cutting tool is bent, worn or broken. Replace the cutting tool with new one.The cutting tool is not tightened securely. Tighten the cutting tool securely.One end of nylon cutting cord has beenbroken and the nylon cutting head gotunbalanced.Feed the nylon cutting cord with tapping thenylon cutting head on the ground.The cutting blade is not fitted on the guide ofthe receive washer.Install the cutting blade properly.The drive system does not work properly. Ask Makita authorized service center toinspect and repair it.The cutting tool does not stop.Stop the motor immediately!The power unit does not work properly. Refer to the instruction manual of the powerunit.The nylon cutting cord does not feed. The cord is used up or tangled in the spool. Rewind the cord.The nylon cutting cord is not cut off at thecorrect length.The cord cutter on the protector is damagedor missing.Ask Makita authorized service center toreplace the cord cutter.The cord extends past the protector. Rewind the cord.Technical DataModel EM400MP EM401MPDimensions (L x W x H) mm (inch) 876 x 374 x 211(34-1/2” x 14-3/4” x 8-5/16”)907 x 310 x 220(35-3/4” x 12-1/4” x 8-5/8”)Net weight (Not including protector and blade) kg (lbs) 1.0 (2.2) 1.0 (2.2)Cutting blade diameter mm (inch) 230 (9”) 230 (9”)Cutting diameter with a nylon cutting head mm (inch) 420 (16-1/2”) 300 (12”)Gear ratio 14/19