CS-310 OPERATIONX7503275401 31© 02/2019 ECHO Inc.8. Push choke control knob all theway IN (OPEN chokeposition).9. Pull starter handle to start theengine.Note: Do not pull starter rope outto the maximum possibleposition.Note: Do not allow recoil handleto snap back against thecasing.Note: If engine does not startafter 5 pulls, repeat instructions.◆ After starting the engine, immediately squeeze and thenrelease throttle trigger to release fast idle throttle latch,otherwise severe brake damage may occur.◆ Never use fast idle throttle latch for cutting.◆ Use the fast idle throttle latch only in starting.Note: Do not increase engine speed while chain brake is locked.Severe brake damage will result.Starting Warm EngineMake sure the bar and chain are free from any obstruction whenstarting the chain saw.