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Pro seal

Are you talking about the rear most seals on the PTO shaft ? Does yours have a "normal" metal shell and rubber lip oil seal or a packing with a large nut ? If you have a normal type oil seal get the ones with spring loaded lips and get some thin enough to put 2 into there and install with the springs towards the oil you are trying to keep in. Polish shaft up to remove burrs and use a seal protector on shaft splines before you slide the seals over it. I use a micro fiche card. Any sort of thin smooth plastic you can slide on there will help. You have to be able to pull it out after the seals are slide over it.
 
Mike,
I agree with using two thin seals, however the garter springs should face AWAY from each other. The seal closest to the oil & gears holds the oil in the pump. The other seal closest to the rear of the tractor keeps the pump from sucking air into the pump. This is how the original double lip seal worked. It's a good idea to put some grease in the void area between the seals.
 
I don't recall the pto power trol pump seal having double lips ? just a real wide leather seal. I know the later tractors live pto oil pump, hyd. pump and power steering pumps did have double lip seals that are opposite.
 
Mike,

The lip seals used on the pto pump were double lip seals.

Both AB2578R and AA2296R are described in jdparts as double lip seals but the diagrams show a single lip seal. That's why you have to use 2 of them. When you order 1 of either of these seals I bet you get two seals in the pack. That's what happened about 10 years ago when I ordered a seal for the small end of the drive shaft in a live-hydraulic pump.
 
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