While you wait for answers, we may have found some information which could help you.
Click here for Trimmer Head Line Trimmer ReplacementPrimer Bulb for Troy-Bilt TB475SS?
why wont my weed eater run when i give it gas ?
what makes a shaft stop spinning when any pressure is applied?
how do i replace the gas line in side the tank?
fuel lines replacement for Z825sd weed eater?
How do I replace the primer bulb on my Troy Built String Trimmer?