Greetings from Germany - How to separate Backhoe from Machine?

Hello together...

and first greetings from Germany!

I´ve bougt an 1979 CASE 580 F (European Version), this powerfull Machine works very fine, but i have an understanding trouble.

How can i separate the backhoe arm from the rest of the Machine, is there any manual in the web? Especially the separation of the hydraulic hoses seems tricky to me.

best regards

CASE580FUser

Greetings from Germany - How to separate Backhoe from Machine?