While you wait for answers, we may have found some information which could help you.
Click here for Dies Pull Trigger
Primer Bulb for Troy-Bilt TB475SS?
fuel lines replacement for Z825sd weed eater?
String trimmer fuel line repair?
Change trimmer head on Troy Bilt TB465SS?
how do i get a repair manual for TB575ss?
what makes a shaft stop spinning when any pressure is applied?