thanks for the come backs guys. it looks like maybe a rebuild is possible. a local fluid power co. said they hadn't done that specific kind of cylinder but didnt see why it couldn't be done. looks like a good winter project if it will hold up that long, thanks again!
If you've got short, stubby fingers and wear reading glasses, any relaxation you would normally derive from fly fishing is completely eliminated when you try to tie on a fly. ~ Jack Ohman, Fear of Fly Fishing, 1988