Posted by chas036 on June 08, 2018 at 05:08:37 from (157.225.178.103):
I have a JD 60 that runs great and has good compression, but after it warms up, the oil pressure goes to almost zero and I have to turn it off for fear of doing damage. I have changed the filter, I have put in 40wt oil, I have adjusted the relief valve, I have put in a new JD oil gauge, and all with no affect. I have checked all the connections of the oil lines and everything looks good, so the only thing I can think of is bearings and pump.
Which contributes more to low oil pressure, the rod bearings o the main bearings?
I can check and replace the rod bearings easy on this tractor, but I don't want to get involved if it is the main bearings that are the problem.
Is it common for oil pumps to wear out, or do they pretty much last forever?
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