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 - Oliver 550 Purchaser Checklist - by Greg Sheppard. Pound for pound the 550 is better than anything I've seen. It has great power for its size and can really hunker down and lug. Classified as a 3-bottom plow depending on soil conditions. I personally don't think it can be beat for a utility tractor in the 40 HP range. They are extremely thrifty on fuel, at least my DSL is. Most drive train parts are fairly easy to get. Sheet metal is probably the hardest thing to
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