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With that info I think I will adjust the oil pressure back down some. Thanks for all the input and help, Doug
Oil bypass spring question? Since the china made spring may be a problem to you think that maybe a higher quality spring would be in order? Thanks, Doug
Rich, I would think that 100 psi is a bit high but when it gets hot it comes down. Before I had the bearing problem this engine never had oil pressure over 20 psi. I have not been able to find what the oil pressure specs are. Would you have them? My thinking on why the pressure is so high when it is cold and comes down by 50psi when hot was maybe the spring for the oil bypass would heat up and loose a good bit of tension. I can not think of any other reason why it would drop by 50 psi. I had not thought that I could blow something with high pressure, but a very good point. Thanks, Doug
Ok thanks, I did change the oil pump and put a thermostat back in, I used a 165°F. Have you seen the inside of the oil pump? There is not much too it. Talked with Jerry at Affordable, and did adjust the relief/bypass oil. The oil pressure reading now, when cold at idle around 100. When hot around 50 at speed and 20 at idle. I may indeed order a new pressure spring to see if that has an impact. Thanks for all the change, keep it coming. Thanks alot, Doug
It was reading about 180 to 185 or so. This is a new gague that was installed less than a year ago, no power needed to run it. Thanks, Doug.
When the tractor was in half I did clean the radiator. So I am guessing that there are not specs on the range of Oil Pressure for the 284. The reason is because I was thinking I might adjust it. I had adjusted it trying to troubleshoot the low oil pressure problem that lead me to change the crank. Also when I put it back together I took out the thermostat, living in Louisiana I thought it might run a litter cooler. Would you think I need a thermostat? Thanks, Doug.
That is great news! When I check it the AM it is back up to 65psi running and at idle 50psi when cold. Would you know what the normal range is? It seems like a drop of 40psi is a lot. Thanks, Doug.
Yes on the oil weight. My concern is that after just replacing the crank, would you think that the oil pressure would drop after running for a short time? Is that normal? Thanks, Doug
Ok, after changing out the crank and all bearings. It started on the first try. Oil pressure was about 65psi on a new Mechanical Oil Pressure Gauge. Let it run until the temp came up and ran it around the yard for 30 minutes with no big change in the Oil pressure. Got the bushhog going since the yard was chest high in weeds. After about 1.5 hours of that the oil pressure has come down at speed to about 25psi and idle 12psi. Would anyone know what the Oil pressure should be? It seems like I may have read it years ago on the old board but could not find any info on it. Thanks, Doug
