oliver 550 non adjustiblehy relief valve

mellotronko

New User
guys, I have a 550 oliver and my relief valve is shot. We have been looking everywhere for a replacement but to no avail. The current valve is a nonadjustable valve made by Cessna 1750 6 no 6227.It has 3 boltholes. Do any of you guys have any ideas of replacements? The tractor runs great except for the valve. Thanks
 
Are you referring to the external valve bolted to the right side of the hydraulic housing? I have an one on mine that says "Cesna 1750 6." The relief valve is shot inside the external block on mine also. My hoses then run up to a 3 spool valve to control the loader. This valve has its own relief valve set at 1700 psi. Works fine for me. Here's a few pics. 1) external valve on bench (upsidedown). 2) on tractor. 3)3 spool valve. Good Luck!
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SW3, that's the same Cessna valve I've got on my 550.It finally went bad last year. Cessna still makes them, but finding adistributor willing to look for it is frustrating. Its $ 39.95 and it seem's it's not worth their time.With your picture, it has at least proven I'm not going CRAZZZZY !!
 

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