14ADJUSTMENT OF LOW-SPEED ROTATION (IDLING)When it is necessary to adjust the low-speed rotation (idling), perform it by the carburetor adjusting screw (1).CHECKUP OF LOW-SPEED ROTATIONSet the low-speed rotation to 3,000 min– -1.If it is necessary to change the rotation speed, regulate the adjusting screw,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 to–readjust it, please contact Authorized Service Center. (1)STOPPING1) Release the throttle lever (2) fully, and when the engine rpm has lowered,set the I-O switch (1) to STOP the engine will now stop.2) Be aware that the cutting head may not stop immediately and allow it toslow down fully.OPERATION OF THROTTLE LEVERThe handle equips with lock-off lever (1) to prevent accidental start. To pull thethrottle lever (2), grasp the handle to release the lock (the lock-off button ispressed by hand pressure).The engine rotation increases when you pull the throttle. The engine runs idlewhen you release the throttle lever.(1)(2)STOP(1)(2)