We may have found other answers which could help you.
Click here for Trimmer Weed Eater
How to remove clutch assembly?
Weedwacker won't start?
Where can I find the spool (String) for RTE 115C?
Gas/oil ratio?
How do I put the guard back on a Weed Eater Electra Lite EL 9?
Weed Eater Primer bulb won't release?