While you wait for answers, we may have found some information which could help you.
Click here for Model Loose Insidefuel line installation?
My weed eater wont stay running?
How do i set the idle,low and high speed jets?
how do i remove and replace clutch assbly on sears 34cc 4cycle weedwacker m?
Sears Model 316-791880 Gas Trimmer?
what is proper sparkgap for weedeater?