You can cut or pry the Teflon seal off-it does ruin it. The o ring will be under it. To install the new one, I lube everything it comes in contact with, with white lube. I heat the Teflon seal in a Styrofoam cup in water in the microwave-almost boiling. however you chose to do it, but keep the seal in the hot water until you immediately install it on the piston. Try not to distort it as you work it into its groove. Allow it to cool, and use a small piston ring compressor to squeeze the ring back to size in its groove. I let it sit with the ring compressor on for a while before I put the piston in the bore, lubing the bore with white lube also. Mark.
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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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