Posted by IH fan on January 05, 2013 at 11:13:13 from (108.220.170.72):
In Reply to: Hydraulic piping posted by Alderman on January 05, 2013 at 10:58:37:
Alderman said: (quoted from post at 13:58:37 01/05/13) Same engine....pump is on the H already
I had "assumed" if you had the 3 point, you already had that part worked out. Also I took it the loader had it's own integral valves and reservoir. Problem is, if the 3 point valve is not "pressure (or power) beyond", you will need a new 3 point valve that is PB before the loader valve will work. And, yes you should take the plug out of the top of the 3 point cylinder and put a breather in it. It is for pressure in the opposite (down) direction and if it's plugged, all you do is pressurize the air in the rod end of the cylinder or it might be leaking by the rod seal.
As I said, you could add a "priority flow divider valve" and split your flow, part going t the 3 point valve and part to th loade valve. problen is, you are already borderline on enough flow to operate the loader and robbing part of it to go to the 3 point and it will be extremely slow. that's what happened on my 240U and someone added a crankshaft dirven pump for the lloader. You can tell by the plumbing that it had been using the tractor pump before PS was added and whoever had it before had added the second pump. On mine, the "priority" side takes away enough flow that the 3 point will not work when the engine is idled down. Your situation would be even worse than mine because you would need to split the flow about 50/50 for both to operate and losing 1/2 your flow to either and that doesn't leave much.
With a pressure beyond valve, you will have full flow avaiable to both the 3 point and loader, unles you try to operate both at the exact same time.
This post was edited by IH fan at 11:15:47 01/05/13.
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