Where are you putting shims inside the pump? My Lift-All manual doesn't mention shimming anything. If clearances are too great to produce good pressure, you need to replace worn out parts--either the pump body, cover plate, or back plate.
The drive gear and driven gear have to be "thinner" (1.998 in. to 2.000 in.)than the pump body is thick (2.001 in. to 2.003 in), or the pump cover and backplate will pinch the ends of the gears when you tighten the bolts.
The driven gear stud and the drive gear shaft keep the gears where they need to be in the pump body, if the bushings for the gears are all in good shape.
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Today's Featured Article - Talk of the Town: Best Tractor? - by Staff. This recent discussion on the Tractor Talk discussion board here at the on-line magazine drew quite a bit of response. We see the question of "Which tractor is best for me?" asked quite often. We thought you might find the responses interesting. As always, the names of the people participating in the discussion have been left out - we did not request their permission to reprint their names in this article. However you can find this discussion in it's entirety in the Tractor Talk archives.
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