The early Majors had the relief valves up front the later Majors had them on the pump, as long as your old pump was the same you should be OK, I don’t believe you can get the early oil pan on when using the later oil pump.
I don’t mean to poke fun at you but most all of us have got burned by a stupid mistake once or twice, is there oil in the pan, is there enough oil, is the pickup tube on the oil pump and is it tight, did the bolts holding the pump get tightened down, are the drive and driven gears good, is the filter and housing installed correctly. I have had problems getting a dry pump to prime itself, I usually open up the port for the pressure gauge/sending unit, take a 1 qt squirt bottle (like the ones you get with gear oil in them) , stick it in the hole and empty out the container, sometimes twice before the entire system gets full. This seems to prime the entire system, fill the oil filter and prime the pump from the backside.
As Curt mentioned , make sure your gauge is reading corectly, screw a different one in the block and see what it says.
Pat
This post was edited by Bear Creek Majors at 13:22:33 06/07/13.
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Today's Featured Article - Oil Bath Air Filters - by Chris Pratt. Some of us grew up thinking that an air filter was a paper thing that allowed air to pass while trapping dirt particles of a particles of a certain size. What a surprise to open up your first old tractor's air filter case and find a can that appears to be filled with the scrap metal swept from around a machine shop metal lathe. To top that off, you have a cup with oil in it ("why would you want to lubricate your carburetor?"). On closer examination (and some reading in a AC D-14 service manual), I found out that this is a pretty ingenious method of cleaning the air in the tractor's intake tract.
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