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72 Tractor Hydraulic Repair Continued

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 The last post was about the 3-point lift not working on my 72 Ford tractor and rebuilding the 3-point top lid lift assembly. The hydraulic engine mounted was remover and a rebuild parts kit ordered. Below are all the used parts from the pump. The new parts arrived a week later with new wobble shaft, seal, gears, bearings, bearing race, gaskets and miscellaneous springs, ball bearings, roller bearings and brackets. I was anxious to put the pump back together and forgot to take pictures of the reassembly. The most difficult was the removal of the needle bearing, seal and race that is in the same housing that the drive gears are located. It's an importuned part as it is where the wobble shaft is supported and the seal that prevents the engine oil from entering the hydraulic oil. The driver tool that was ordered with the parts fit the caged roller bearing that was supposed to drive the bearing, seal and race out of the housing. The caged bearing & seal were driven out in pieces, b...

1972 Ford 3500 Tractor Hydraulic Repair

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 I have a 1972 Ford model 3500 that I use to maintain the property and grade the driveway that's 1\8 mile long. A week ago, I tried to start it and the battery was shot, of course it's 8 years old, so I replaced it and got it started only to find the 3-point lift would not work and decided to rebuild the hydraulic system. I used 2 cable come-a-longs to pick up the scraper box attached to the 3-point so it could be moved into the shop, and I could use the overhead electric hoist to lift the heavy parts. The roof and the seat had to be removed to allow the hoist to have a straight shot to lift the 3-point hydraulic top cover assembly. The 3-point lift is in the top cover of the forward part of the rear end housing (separate from the transmission) with the tilt and scraper box angle controls on top. I pressure washed the tractor before it was moved into the shop and you can see the two lift arms and the hydraulic hoses that go to the two cylinders at the back. I made a lift plate ...