Stihl FS 360 C-EM Instruction Manual - Page 37

9926BA015 KN 9926BA016 KN English Engine Management Adjusting the Carburetor Winter Operation Exhaust emissions are controlled by the design of the fundamental engine parameters and components (e.g. carburation, ignition, timing and valve or port timing) without the addition of any major hardware. At temperatures below +10°C (+50°F) HL LA The carburetor has been set at the factory to provide an optimum fuel-air mixture under most operating conditions. Adjusting idle speed Engine stops while idling N Turn the idle speed screw (LA) slowly clockwise until the engine runs smoothly. Cutting tool rotates when engine is idling N Turn the idle speed screw (LA) slowly counterclockwise until the cutting attachment stops moving. Preheating the carburetor Repositioning the shutter allows heated air to be drawn in from around the cylinder and mixed with cold air - this helps prevent carburetor icing. 2 1 An arrow (1) on the shroud indicates the setting of the shutter (2) for summer or winter operation. Meaning of symbols: - "Sun" = summer operation - "Snowflake" = winter operation FS 260 C, FS 360 C 35