Posted by Plant Doc on December 24, 2019 at 04:42:09 from (73.196.97.0):
I restored the Exhaust Lift on a friends Farmall AV. The problem I am having after several weeks after completion is the washer in the control valve. I did find a new washer for the control valve but after a while something in the gas is attacking the washer. The washer gets very soft and distorted. It gets so distorted that the little brass plate that sits on this washer and acts as a check valve will no longer seal. I got another new washer at $30.00 and tried it again with the same results. I am thinking about machining a brass washer to take the place of the neoprene washer. Any help or ideas will be appreciated. Merry Christmas.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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