Stihl 044 Instruction Manual - Page 40

Winter Operation Electrically Handle Heating* 1 2 145BA035 K 145BA015 K At temperatures below +10 °C/+50 °F preheat carburetor as follows: • Remove the carburetor box cover. Inside the carburetorbox cover: • Move shutter (1) from summer position to winter position (2). Heated air is now drawn in from around the cylinder and mixed with cold air this helps prevent carburetror icing. At temperatures above +20 °C/+70 °F: Return shutter to summer position. This is essential to avoid engine running problems and overheating. Machines with HD filter: • Install a standard filter element in place of the HD filter. • Refit the carburetor box cover and tighten down the knob. At temperatures below -10 °C (+14 °F): It is advisable to fit the cover plate* on the fan housing if you use your saw in extremely cold conditions (temperatures below -10 °C/+14 °F, in powder or drifting snow). The cover plate blanks off the lower slots in the fan housing to help prevent snow being sucked into the machine. When the cover plate is fitted, the shutter in the carburetor box cover must be moved to the winter position. • If your saw is very cold (frost or ice on machine), start the engine and keep it at a high idle speed (with chain brake disengaged) until it reaches normal operating temperature. In the event of engine running problems, first check that conditions for use of intake air preheating still apply. Switching on electric handle heating* • Move switch on front handle to # • Move switch back to $ to switch off heating. There is no risk of overheating during long periods of operation. The whole heating system is maintenance-free. *Special accessory *Special equipment 38 044