When i started to learn about Surge in the mid 80's the motor/cam setup was already obsoleted and replaced with a solid state control (12V)Only ever saw mebbe two of them working in 20 yrs working in a 5 county area NE Pa. This at a time when Surge was going to all solid state double 24V setup. My recollection is a motor with several cams, incorporating adjustable ramps for milk/rest ratio. My recollection of DeLaval was a simple cam with set of points no adjustment capabilities. Try to find a Westfalia/Surge dealer with some old books. Your cows will do better with the new(er) technology pulsation. Even the (now old) 80's was better than what you are working with.
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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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