How to thresd the fuel line trigger setup on Weed Eater hedge trimmer GHT 220

[Big Cellie]

I need to find a diagram of how the throttle trigger for feed hose on this model hedge trimmer is setup. The fuel line got brittle and almost disinter, any help will be greatly appreciatedgrated I foolishly disassembled the handle and don,t have clue how the feed lines threads thru the throttle control, where can I find a diagram of how this assembles