Automatic feed
Diagnose feed behavior with the battery removed.
Find the right task
Confirm the label and component version before you start. Find your model →
3 tasks
Check automatic line feed failureDistinguish insufficient line, crossed winding and a restricted feed lever before reassembly and a separate retest.TroubleshootingLST300LST300 · matching typeCheck a trimmer running slowlyCheck external head movement and excess nylon length with the battery removed, then record whether a separate normal-use check is needed.TroubleshootingLST300LST300 · matching typeCheck a spool cap that will not latchInspect both retaining tabs, clear the slots and correct spool or line seating before considering a replacement cap.TroubleshootingLST300LST300 · matching type
A useful care routine
All care packs →Make a little time for your equipment.
Garden care · 3 tasks
LST300 line & automatic-feed round
Check the documented line specification, seat the original spool and diagnose remaining feed trouble.
Open care pack →Garden care · 3 tasksLST300 guard & setup check
Confirm the guard, cap and handle before reinstalling the battery for normal use.
Open care pack →Garden care · 3 tasksLST300 end-of-season care
Clean the housing, prepare safe storage and plan the return-to-use check.
Open care pack →