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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