Posted by Rick Remmert on January 29, 2013 at 16:46:27 from (68.103.4.23):
In Reply to: Touch control overhaul posted by Rick Remmert on January 28, 2013 at 17:34:45:
The reason I mentioned the dot on the o-rings was the sheet to install the seals says to roll the o-rings on, don't slide them on. If you have never installed o-rings before, this is a big help being able to tell the o-ring is facing out. But yes, you are correct, the dot, color and hardness will tell what material they are made out of. All the o-rings I took out were the standard Buna N. The new ones were Buna N ,Viton and a blue o-ring material that I not figured out yet. Putting the new o-rings on was not a problem as I have messed with them many times before. The hardest one to get on was the single ring that goes on the end of the 2 spool valves. The biggest help to me was getting all the gaskets. That alone was worth the price of the kit.
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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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