Posted by old bob on November 12, 2016 at 13:10:25 from (166.137.136.34):
I have a 4020 diesel. Don't hardly use it anymore. Got it out to sell it and it has problems running.
Haven't fired it up since last fall. When I did I changed the oil and all the filters. New hydraulic filters and new fuel filters. Put it back in the barn and haven't started it since.
Started it a couple of days ago and it ran good for a couple of minutes then began to lose rpms.
Put new fuel filters on again today. When I dumped the filters out I had taken off it there was nothing in the filters but diesel. No water. No trash.
I can make it run by taking the screw on the side of the injector pump out. Runs good with screw out. When I put the screw back in it takes a couple of minutes and it loses its rpms again. Take the screw back out and it runs again. Put the screw in and it loses rpms. Tractor does not miss or smoke.
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Today's Featured Article - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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