D13006 steering oil loosing

[D13006 Latvia]

Hello friends. I have problem with my D13006 steering. Somewhere are loosiing oil from steering System. All tubes and cylinder are dry. It's impossible that oil is loosing in hydraulic pump? Because i don't see anywhere in System an oil leak.
Maybe someone know what's problem there are?
Thanks.

 

[Jan D6206]

Hello, id never worked on an 13006 but is it possible that the hydraulic oil goes through the shaft seal into the motor?

Greets Jan

 

[thomas66]

It's a tandem pump, if so then the oil gets into the front pump and the oil level there should be higher.

Greets