Posted by Deere Scotty on December 28, 2015 at 23:19:09 from (68.58.52.72):
In Reply to: powertrol on J D model 70 posted by Grandpa Hochstetler on December 28, 2015 at 22:06:29:
Dis-connect the hydraulic cylinder, & the 3pt will lower by gravity. The rotating rockshaft on the tractor will remain in the up position all the time without weight on it . If the Cylinder is attached the fluid will take the path of least resistance. This makes running a semi mount plow a problem because if more weight is on the cylinder the 3pt will come up first, & vice-versa. Also makes raising both the 3pt, & cylinder at the same time impossible. If pulling anything with a cylinder, & nothing on the 3pt arms; the arms will always fall after the trailed item falls, & raise before the trailed item raises.
To regulate the drop rate... Bottom of Hydraulic Housing is a nut that is abnormally long with a jamnut (called a throttle valve screw). Loosen it, & screw in to increase flow, & screw out to decrease flow. the tighten the jamnut when set!
If You don't have a manual... Its well worth the money. They don't make them like they used to is more true now than ever before!!!
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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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