JCB 820 powerslide

[moo]

Hi
How difficult would it be to fit a double acting supply down to the bucket?
Would like to operate a tree shear.
Cannot work out if the beaker line has a double acting spool.
Has any one got a diagram of the hydraulic system.

1989
JCB 820 Supper

Thanks
Jonathan

[essexpete]

How does the auxiliary line work on the 820? Is it manually operated or electric switch? In any event with the aux pipes not connected you ought to be able to tell if you have a 2 way action as the relief valve would blow in 2 directions if that makes sense. Apologies if that is stating the obvious.