Posted by Tractorben on August 07, 2010 at 15:18:30 from (67.142.165.28):
Hi - I have a ZAU that runs really good but it shows no oil pressure. I bought the tractor knowing the gauge was rusted out and the oil pressure was suspect. But it ran so good I figured it was worth the risk.
I replaced the oil guage with a new one and still no pressure. I adjusted the screw on the side of the oil pump housing and it makes no difference. I also changed the oil and filter. Sometimes when I start it the pressure comes up some and then drops off. I verified the oiol guage line is clear.
The only thing I can figure out is the oil pump gears are shot. Does that make sense? I know where I can get a used set of gears off an old parts tractor so I was thing of doing that next.
It still runs good but I afraid to keep running it. Any ideas? Is there something else I need to check?
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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