We may have found other answers which could help you.
Click here for Set Heavy Duty
How to remove clutch assembly?
Help With Primer Bulb On Weed Eater Featherlight Trimmer?
Weedwacker won't start?
primer ball does not prime the gas?
Replacing fuel lines on Weed Eater GTI 17T?
The fuel lines on my Weed Eater FL 20 are gone. Where can I get a diagram?