Posted by JD Seller on December 16, 2013 at 19:39:01 from (208.126.196.144):
Here is how I hooked up a joystick on a JD 4430 I mounted a JD 740 loader on last year. This is plumbed in direct without using a power beyond block.
Here is the actual valve mounted to the bottom of the right hand battery box. The box is already drilled to do this. Just used carriage bolts down from the top.
Here is the supply line/hose. The Tee fitting is hooked directly to the pressure control valve. The line coming out and curing to the right is the supply to the valve. The line going off the back and up replaces the steel supply line to the SCVs and three point.
Here you can see the joystick control mounts so the joystick lever missed the shifter levers.
This is the cables coming up through the floor of the cab. There is a knock out plug on most of the newer cabs. If there is not one I just take a smaller hole saw and saw two holes that over lap for the grommet to fit around the cables.
Here is the return line. I just drill and tap a 3/4-10 hole in the filter cover. I then take a round file and put a chamfer around the out side of the hole. The install a JIC oring fitting. You can used the factory drilled return filter cover but they are not cheap. I route the hose up and over the transmission this way there is nothing hanging down under the belly to get caught.
I know you can dump back into the sump through the rock shaft housing. I just like dumping back in right at the filter. Plus on the older tractors doing it this way will make the loader operate faster and smoother.
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