JD 310A backhoe no brakes

hi I posted last year when I was working on it but ended up stopping due to had cancer and tumor exploded
but now I ok basically and getting back to it

the backhoe had lost both brakes at the same time.. I tried bleeding like I forgot who told me on here last year but I cant find my old article.
I took 3 videos and I also tried it running the backhoe I get no fluid out of the brake lines really

here is the video

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JD 310A backhoe no brakes

JD 310A backhoe no brakes