Posted by Mark2359 on March 27, 2022 at 10:34:07 from (97.73.244.95):
My case 1979 case 580 ck keeps blowing power shuttle pump seal. Recent rebuild, checked regulator valve in control valve, replaced 0-rings. Checked relief valve and blew out cooling system, replaced oil. At idle in neutral/4th gear pressure at test port is 100 psi. Dont know why it keeps blowing seal. Any help would be appreciated.
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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