Posted by Yooper Farmall on April 30, 2012 at 07:36:28 from (141.210.112.16):
The upper plow assembly connects to the lower moldboard assembly via two steel plates sandwiched together
The wrench is on one of two 5/8” bolts that connect the upper assembly to the sandwiched steel plates.
The two empty bolt holes on the bottom of the plates takes one ¾” bolt (front) and one 5/16” bolt (back)
The 5/8" bolts are pretty good sized, but it struck me that the lower bolts were a larger 3/4" bolt paired with a much smaller 5/16" bolt.
Could it be that the 5/16” is meant to sheerer if you hit a big rock, making the whole arm pivot on the ¾” bolt and flip the moldboard back?
I've heard of break-away hitches on pull behind plows.
I believe all the bolts on the plow were grade 2, I replaced them all with grade 8. If this 5/16" bolt is meant to sheerer I'll have to replace it with a grade 2.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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