Re: 460 farmall hyd. problem

Posted by IH fan on July 13, 2011 at 11:51:41 from (99.38.204.64):

In Reply to: 460 farmall hyd. problem posted by 11Zach on July 12, 2011 at 13:28:27:

Your main, or master relief must be okay... have you put a gage on it to see how high it goes? If it goes to the factory set relief (my guess), the relief is okay... if it were locked up, the pump (or something else) would blow up. Most reliefs are designed to minimize this happening, they will usually go LOW if there is a problem.

If there is an "unloader valve" as Owen indicated, I'd be looking there... it should be going to a low "stand-by" pressure when none of the spool valves is actuated.

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