Ryobi RY29550 Operator's Manual - Page 15

OPERATION STARTING AND STOPPING See Figures 12 - 14. When starting the string trimmer for the first time or when the battery voltage is low, it may be necessary to manually start the string trimmer. for manual start: To start a cold engine: DO NOT squeeze the throttle trigger until the engine starts and runs.  Lay the trimmer on a flat, bare surface.  PRIME - Press the primer bulb 7 times.  SET the start lever to the START position.  PULL the recoil starter until the engine starts.  Wait 6-10 seconds, then squeeze the trigger to run. NOTE: Squeezing and releasing the throttle trigger releases the start lever to the RUN position. To start a warm engine:  PULL the recoil starter until the engine starts. To stop the engine:  Press and hold the switch in the stop " the engine stops. " position until For electric start: To start a cold engine: DO NOT squeeze the throttle trigger until the engine starts and runs.  Lay the trimmer on a flat, bare surface.  PRIME - Press the primer bulb 7 times.  SET the start lever to the START position.  PRESS ignition switch.  RELEASE ignition switch after engine starts.  Wait 6-10 seconds, then squeeze the throttle trigger to run. NOTE: Squeezing and releasing the throttle trigger releases the start lever to the RUN position. To start a warm engine:  PRESS ignition switch.  Lay the trimmer on a flat, bare surface.  RELEASE ignition switch after engine starts. 11 - English