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 - History of the Nuffield Tractor - by Anthony West. The Nuffield tractor story started in early 1945. The British government still reeling from the effects of the war on the economy, approached the Nuffield organization to see if they would design and build an "ALL NEW" British built wheeled tractor, suitable for both British and world farming.
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