1B: Startup after warm-up operation1) Push the primer pump repeatedly.2) Keep the throttle lever at the idling position.3) Pull the recoil starter strongly.4) If it is difficult to start the engine, open the throttle by about 1/3.Pay attention to the cutter blade which may rotate.STOPPING1) Release the throttle lever (2) fully, and when theengine rpm has lowered, set the I-O switch toSTOP the engine will now stop.2) Be aware that the cutting head may not stopimmediately and allow it to slow down fully.ADJUSTMENT OF LOW-SPEED ROTATION (IDLING)When it is necessary to adjust the low-speed rotation (idling), perform it by the carburetor adjusting screw.CHECKUP OF LOW-SPEED ROTATION– Set the low-speed rotation to 3,000 min -1 .If it is necessary to change the rotation speed, regulate the adjusting screw(illustrated on the right), with Phillips screwdriver.– Turn the adjusting screw to the right, and the engine rotation will increase.Turn the adjusting screw to the left, and the engine rotation will drop.– The carburetor is generally adjusted before shipment. If it is necessary toreadjust it, please contact Authorized Service Agent.Adjusting screwCarburetorCAUTION: The cutting tools mentioned below must only be resharpened by anauthorized facility. Manual resharpening will result in imbalances ofthe cutting tool causing vibrations and damage to the equipment.– cutter bladeAn expert resharpening and balancing service is provided by AuthorizedService Agents.NOTE: To increase the service life of the cutter blade it may be turned overonce, until both cutting edges have become blunt.Attention in OperationWhen the engine is operated upside down, white smoke may come out from the muffler.RESHARPENING THE CUTTING TOOLEBH252UEBH253USTOP (1)(2)EBH252LEBH253LSTOP(1)(2)