Stihl SR 320 Instruction Manual - Page 18

Starting Before starting, place the unit on a clear patch of ground. Make sure you have a firm foothold, keep a firm grip on the machine and check that there are no objects which could be sucked in by the fan (between engine and backplate). 1. Starting procedure 1.1 Slide the stop switch (1) to "I". Move the setting lever (3) to the midway position between the two end stops. The throttle trigger (2) is now in the "starting throttle" position. 1.2 If the engine is cold: Turn the rotary choke knob (4) in the direction of the arrow l (choke). 1.3 If the engine is warm: Turn the rotary choke knob (4) in the opposite direction to the arrow. Note: This procedure also applies if the engine has been running but is still cold. Top: Throttle trigger and setting lever in "start" position Center: Rotary choke knob in "cold start" position Bottom: Rotary choke knob in "warm start" position 17