I just purchase a late 60's Case 680 ck loader with a model 34 backhoe to clear my lot. The loader works fine, yet the backhoe doesnt operate at all just a little hydraulic fluid weeping out of the control valve where the control rods connects to the spools. I have been told it could be a relief valve or a regeneration check valve. Anyone have any ideas on this problem because I can't even lower the stabilizers to separate the backhoe from the tractor. Also does anyone know what other model backhoe will fit this loader. thanks Tony M.
Re: O-ring in the loader control valve in reply to A.M., 08-19-2006 21:42:02
There is an O-ring in the loader control valve in the "power beyond" fitting. When the loader works and the backhoe doesn't, the problem will likely be that O-ring. Remove the line that goes to the backhoe at the loader valve, remove the fitting going into the valve and inspect the O-ring on that fitting. More than likely, it's defective. Good luck.
Re: O-ring in the loader control valve in reply to Roger (Mi), 08-20-2006 04:56:33
Thanks Roger. I removed that fitting and the o-ring was gone, making me wonder where it is now in the hydraulic system. I have the o-ring dimensions and will try to get it locally and post my results later. Thank you again for the info. Tony M.
Today's Featured Article - Talk of the Town: Trailerin a Tractor, Chains or Straps? - by Staff. Another great discussion from the Tractor Talk Discussion Forum. The discussion started out with the following post: " I bought a trailer and plan to take my CASE VAS to some shows. I don't yet have anything to secure it to the trailer. So which is better to buy and use; the ratchet-type straps or binders and binder chains?
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Carburetors for sale Marvel Schebler models TSX 408 and a TSX 244 B both rebuilt. Asking 250.00 each Then I have a Carter UT 0-652 on base 0-653 24 on neck with 179380 on throttle shaft asking 50.00 for this one.
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