12OPENCLOSEAt times, such as winter, when starting the engineis dificultOperate choke lever with the following procedure when starting engine.After implementing startup steps 1) to 3), set choke lever to the CLOSE•position.Implement startup step 4) and start engine.•Once engine starts, set choke lever to the OPEN position.•Implement startup step 5) and complete warm up.•CAUTION: If a bang (explosive sound) is heard and the engine stops, orthe just-started engine stalls before the choke lever is operated,return the choke lever to the OPEN position, and pull the starterknob a few times again to start the engine.CAUTION: If the choke lever is left in the CLOSE position, and the starterknob merely pulled repeatedly, too much fuel will be sucked in,and the engine will become dificult to startέADJUSTMENT 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 ROTATIONSet the low-speed rotation to 3,000 min– -1.If it is necessary to change the low speed rotation (idle) speed, use a phillipshead screw driver on the screw illustrated on the right.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. After several tanks of–gasoline the idle rpm may need to be readjusted.CarburetorAdjustingscrewSTOPPING1) Release the throttle lever (2) fully, and when the engine rpm has lowered,set the I-O switch to STOP the engine will now stop.2) Be aware that the cutting head may not stop immediately and allow it toslow down fully.STOP(1)(2)THE NYLON CUTTING HEADDuring operation, use the tip of the nylon cutting cord for cut.Feeding the nylon cutting cordAs the nylon cutting cord is worn and shortened with the cutting operation, theoperator needs to feed it manually.To feed the nylon cutting cord, tap the nylon cutting head on the ground while itrotates around 6,000 min-1.NOTE: If the nylon cutting cord does not feed out, rewind it.Most effective cutting area