I used to build prototype hydraulic valves for a specialty military supplier back in the mid 1990's. We used to soak the seals in oil before installing them onto valves. If you want to use heat to soften up the wiper be sure you dont go to hot, I would think that 160-180F should be fine,(maybe heat the oil in a steel container) because the oil will be hot in the machine when running it. Also use a plastic install tool to make sure you dont tear the wiperseal. Try to stretch the wiperseal over a cone of some kind this should expand it enough for the install. Have fun.
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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