While you wait for answers, we may have found some information which could help you.
Click here for Gas Craftsman Not StartHow can I fix my weedwacker?
Will not run unless gas is sprayed in carb. why?
craftsman wheeled weed trimmer?
How fuel lines connect between the carburetor, priming bulb and fuel tank ?
17" 24 cc craftsman trimmer primer bulb replacement?
Where does the in-tank fuel filter go?