757 Hyd Fluid Transfer
Complany manuals ask us to pressurise hydraulic systems from R to L and to depressurise from L to R to 'prevent fluid transfer between systems'.
My understanding was that these systems are isolated (apart from PTU powering L - and even then with no fluid transfer). Do any of you know of the possibility of this and, if fluids transfer is possible - does/can this result in major fluid loss from one to another (presume L to R given the direction of power up).
Looking forward to being enlightened!
Cheers U-E