Posted by redhot on September 20, 2010 at 13:06:38 from (66.225.148.67):
The tractor runs fine but after 45 min to 1 hour the transmission case gets hot and the hyd pump seems to be blowing over relief. So I took the pump regulator apart and found the orfice plug for the unloader valve was plugged. so I unplugged it,clean and checked the other valves in the regulator and assembled regulator. Ran tractor found no difference. I checked the other control valves for proper one or two way flow detent postions, they were okay. Installed two new suction filters. Ended up taking out the spring for the unloader valve in the regulator. this seemed to stop the problem, but do not have hyd pressure for remotes. I would like some help to find root cause for the problem.
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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