Stihl HL 90 Product Instruction Manual - Page 18

English g if the engine is cold e for warm start - also use this posi- tion if the engine has been running but is still cold. N Press the manual fuel pump bulb (9) at least five times - even if the bulb is already filled with fuel. Cranking N Put the unit on the ground: It must rest securely on the engine support and the gearbox. N Remove the blade scabbard. Check that the cutting blades are not touching the ground of any other obstacles. If necessary, rest the gearbox on a raised support (e.g. mound, brick or something similar). 445BA005 KN 445BA004 KN N Make sure you have a safe and secure footing. N Hold the unit with your left hand and press it down firmly - your thumb should be under the fan housing. NOTICE Do not stand or kneel on the drive tube since it will otherwise be permanently bent and damaged. N Pull the starter grip slowly with your right hand until you feel it engage and then give it a brisk strong pull. NOTICE Do not pull out the starter rope all the way - it might otherwise break. N Do not let the starter grip snap back. Guide it slowly back into the housing so that the starter rope can rewind properly. N Continue cranking until the engine fires. When the engine begins to fire or after no more than five pulls: N Turn the choke knob to e N Continue cranking. As soon as the engine runs N Blip the throttle trigger. The slide control moves to the normal run position F - and the engine settles down to idle speed. Make sure the carburetor is correctly adjusted. The cutting blades must not move when the engine is idling. Your machine is now ready for operation. Stopping the engine N Push the slide control in the direction of the arrow on the stop symbol (h) to STOP-0. Other Hints on Starting At very low outside temperatures As soon as the engine runs: N Blip the throttle trigger to disengage the starting throttle position. The slide control moves to the normal run position F - and the engine settles down to idle speed. N Open the throttle slightly. N Warm up the engine for a short period. If engine does not start If you did not turn the choke knob to e quickly enough after the engine began to fire, the combustion chamber is flooded. N Turn the choke knob to e N Set the slide control, interlock lever and throttle trigger to the starting throttle position. N Start the engine by pulling the starter rope briskly - 10 to 20 pulls may be necessary. 16 HL 90 K