Link Belt 4300C11 leaking joy sticks

Hello Every one, This is my first time posting , i have been reading this forum a couple of months now and am really enjoying it the old photos and discussions. There was a great post about how to fix leaking joy sticks with new o rings and springs,
Does anyone know where i can get the new rings and springs at an affordable price for my machine, She is a 1993 and has alot wrong,,, Trying to get her fixed, saving money when i can, I dont know how to operate her yet, I have a nice young man...

Link Belt 4300C11 leaking joy sticks

Link Belt 4300C11 leaking joy sticks