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M oil Pressure

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AgMan

08-14-1999 11:11:01

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I got new gauges from my IH/Case dealer. They are great, except I have hardly any oil pressure. I hooked up a new copper line and am getting oil to the gauge, but very low pressure. Is there anything I should look at before going to the pump??? I felt the modern gauge that was already in place was broken and wanted to look origional.Rats!

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The Red

08-14-1999 11:45:13

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Re: M oil Pressure in reply to AgMan, 08-14-1999 11:11:01

agman you might want to unhook that line fire it up at idle and make sure that line is clean. Don't stick your face in it when you do it!

If that does not seem to be the culprit, I strongly suggest you drop the pan. If you have not had it off before it very well may be sludge in the bottom or a plugged intake screen or a combination of both. If it is, take that protective cover off an THROROUGHLY clean that screen.

If that is not the culprit, then you will have to take the pump out of the frame and check the gasket where the two pump halves bolt together.

My 51H came from southern IN. Dennis H was nice enough to keep it for a few days until I could get it transported north. He noticed the oil pressure was only 20 psi or so at full throttle. So he dropped the pan and found a totally plugged intake screen and a good 2 inches of non-detergent gunk in the bottom of the pan. He got it fairly cleaned and the oil pressure jumped up closer to 40 or so. I swapped pumps at the end of the rebuild and I am now up to around 55 is my guess. Its on the "L" through most of the engine RPM range.

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AgMan

08-14-1999 18:44:27

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Re: Re: M oil Pressure in reply to The Red, 08-14-1999 11:45:13

Thanks "The Red" I quess I have a little work to do on Monday. I checked the line earlier, so I will pull the pan.

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The Red

08-15-1999 04:27:45

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Re: Re: Re: M oil Pressure in reply to AgMan, 08-14-1999 18:44:27

Good luck and let us know what you find.

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