Originally posted by chrisopy
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Welcome to this forum!
If you look carefully at the pdf attachment to post 11, you can see that the jacks are lifting on the axle tube between the U bolts. There would not be enough space for the jack base between the U bolts and the tire. The important part of this is to have an adapter that is a heavy wall half circle of 3" ID pipe that will nest to the axle tube without creating a point of hard contact that might dent the axle tube. The bottom of this adapter should be another piece of pipe with an ID to fit the top of your jack. If you do not have such an adapter, the next best way to do this is lifting with a block of wood under the U bolts.
In the attached picture are two adapters that I made for this purpose. The one on the left turned out to be too short and you can see the witness mark where the shoulder of the adapter interfered with the U bolt. The taller one on the right worked better.
Remember that whatever jack you use should not block access to the brake adjustment hole in the backing plate.
Rob
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