Stihl FS 80 Instruction Manual - Page 38
Stopping the engine, At very low outside temperatures, If the engine does not start
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English / USA When the engine begins to fire: : Turn choke knob to e and continue cranking. When the engine begins to fire: : Blip the throttle trigger immediately so that the slide control moves to the normal run position # and the engine settles down to idle speed. Make sure the carburetor is correctly adjusted - the cutting tool must not rotate when the engine is idling. Your machine is now ready for operation. Stopping the engine : Push the slide control in direction of arrow on stop symbol (h ) to STOP-O. At very low outside temperatures As soon as engine runs: : Blip the throttle trigger to disengage the starting throttle position. The slide control moves to the normal run position # and the engine settles down to idle speed. : Open the throttle slightly. : Warm up engine for brief period. If the engine does not start Choke knob If you did not turn the choke knob to e quickly enough after the engine began to fire, the combustion chamber has flooded. : Turn choke knob to e : Select starting throttle position. : Start the engine by pulling the starter rope firmly. 10 to 20 pulls may be necessary. If the engine still does not start: 10 : Move the slide control to STOP-O. : Pull off the spark plug boot (10). 393BA042 KN : Unscrew and dry off the spark plug. : Open the throttle wide. : Crank the engine several times with the starter to clear the combustion chamber. : Refit the spark plug. Connect the spark plug boot (press it down firmly). : Move the slide control to START. : Set the choke knob to e - even if engine is cold. : Now start the engine. Throttle cable adjustment : Check adjustment of throttle cable - see chapter on "Adjusting the Throttle Cable". Tank run until dry : After refueling, press the fuel pump bulb at least five times - even if bulb is filled with fuel. : Set choke knob according to engine temperature. : Now start the engine. FS 80, FS 80 R, FS 85, FS 85 R 37