I should also add that the kickout of Liftall system is designed to protect the live pump and driving components. When it is locked open with the rotating lock tang, there is some possibility that those pump components and gear train could be stressed with an overload such as a deadhead when the hydraulic cylinder reaches the end of its stroke.
To counter that condition, the integral Gresen relief valve should be set at around 1200 PSI. It is probably set at the factory for 2000-2500 PSI. There are probably some people who don't bother to lower the remote valve pressure relief and get away with it. Chances are that their pumps internally leak enough so they cannot develop modern high pressures.
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Today's Featured Article - Ford Part Number Trivia - by Forum Participants. "Replaced by" means the part was superseded. All of my part books date back to 1964 and New Holland have changed some part numbers. They usually put the old Ford part number on the package. I was suppressed when I looked up the part number of the auxiliary drive shaft because for some reason the part number went through a radical change and it lost its "Basic Part Number". Ford part numbers follow the following rules. Most part numbers are in three parts. The middle part is called the
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