Could you tell me a little more about WHERE the pressure was applied?
I could see simply pumping oil in between the shaft and the plate to get
it off, but that wouldn't work to get it back on.

Pete Stanaitis
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Karl Townsend wrote:
The boat tranny took a dump. Its a ZF-301C behind a Cummins 450 horse
diesel. Took a trip to the ZF repair shop yesterday. The front of this
tranny has the flywheel transfer plate just press fit on - no key way. To
remove the plate, they hooked it up to 50,000 psi oil pressure on a fitting
in the plate just for this purpose. The interesting part, to press it back
on they put it in a 60 ton press and used the same 50,000 psi fitting to
increase the ID of the transfer plate. Interesting piece of German
engineering. The mechanics there didn't know, but I assume each piece has a
slight taper.

Boat should run again tomorrow.

Karl