Posted by Joe Evans on March 21, 2008 at 04:19:15 from (208.68.185.172):
In Reply to: Farmall 560 hydraulics posted by Gary Hutchinson on March 20, 2008 at 10:18:53:
A.) Generally speaking, pumps don't suddenly go bad. They usually die a death of a thousand pin pricks--eating dirty oil over a number of years. You're observing 1200PSI. While not what you should be seeing which is 1500, the pump is still doing something.
B) Immediate failure to lift the fast hitch when it was working fine to me indicates a lack of oil getting to the suction side of the pump. I would heed Hugh's advice here. Our 460 is a notorious water generator mainly because it's not used enough and condensation takes place.
C) I assume you "dead-headed" a gauge into the hydraulic remotes. Remember, doing this requires no volume of oil other than what's needed to fill the remotes lines, valve bodies and pump cavity, but cylinder actuation requires volume. Little to no oil getting to the pump because of a frozen and snotty filter will do this.
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