First thing is that the pressure is going to be about 750 on a good day. That is the normal pressure for a Liftall with no modifications in that era. It is an open center system meaning it makes pressure when the the pump control rod is pulled, and no other time. This pressure is applied to both the front elbow outlets at the same time (it is a T inside) The left rear is a delay port we will not discuss it, leave it plugged. The two way valve is usually hooked to the right pressure port, and its Center (return) is dumped into the reservoir. When the 2 way is ni neutral, and the pump control rod is pulled and held back, the fluid circulates through the 2way and back to the reservoir. If you hook up hoses to the 2 way and put couplings on the hoses there should be pressure at each coupling when the 2way valve is moved to put pressure in that hose. If there is air in the hose, the air can pressurize and blow oil out of the reservoir cap. The cap should not be vented with 2 way cylinders connected to the 2way valve. A motor, or 2way cylinder puts oil back in the reservoir as it goes out to the other end of the cylinder/or returns from the motor discharge. The diagram provided is reasonable. the valve shown is hydraulically the same as a IH christmas tree 2 way valve. Jim
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Today's Featured Article - The Fordson F Ignition System - by Anthony West. A fellow restorer contacted me earlier this year asking for some help and advice on a model F that he was restoring. He had over a period of months spent a fair amount of his hard earned cash on replacement parts for the old "trembler" ignition. Sadly though all his efforts seemed to be a waste of time and money as he still couldn''t get the temperamental old thing to run correctly!! If i said that this was a little frustrating for him that would be "conservative" in fact the problem had reduce
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