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 - History of the Cockshutt Tractor - by Danny Bowes (Dsl). The son of a very successful Toronto and Brantford, Ontario merchant, and himself quite an entreprenuer, James G. Cockshutt opened a business called the Brantford Plow Works in 1877. In 1882, the business was incorporated to become the Cockshutt Plow Company. Along with quality built equipment, expedious demand and expansion made Cockshutt Plow Works the leader in the tillage tools sector of the farm equipment industry by the 1920's.
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