Posted by Heat Houser on October 20, 2010 at 17:28:48 from (173.14.193.161):
In Reply to: Massey 880 plow posted by bill from scotland on October 20, 2010 at 14:37:04:
The accumulator was fitted for use on tractors with an open center hydraulic system.
With a closed center hydraulic system, you don't need the accumultor. With my MF880 on my JD4630 tractor, one hose hooks to one of the outlets and that lever is tied back to keep it energized all the time. The other returns directly to sump. If it trips, the sump hose dumps the oil coming out of the cylinder (thru a relief valve)and once the obstruction is cleared, the hose from the outlet extends the cylinder and resets the bottom into position. Obviously, the relief is set higher than tractor standby pressure.
I do not know if a tractor's closed center system would work on a plow set up for an open center system.
Your MF1155 should be a closed center system I think.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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