354 in 510 massey combine oil pressure

so some time back I asked about why the oil pressure was taking so long to come up on my 510 after it sets. I changed the oil filter thinking it had a faulty anti drain back valve and that did nothing to improve the situation, which actually seems to be getting worse. in the past, if I would start it, it would take about a minute to get oil pressure and if I started it the next day I would have oil pressure. now, each day it takes right at a minute to get oil pressure.
Bought done with it for the year, but wondering if there is something else I should look at, else seems to me I need to go into the oil pump. this has a mechanical gauge and you can hear the "tone" of the engine change when the pressure comes up.
Gary
 
After initially discovering this, I CANNOT imagine starting it even one more time and waiting MINUTE for oil pressure.

You need to get it fixed before it shells out a bearing or two!

I don't have any suggestions, though, I've been around lots of those engines but never did any major work on one. Would seem the oil pump must be worn, or perhaps an air leak between the pump and the suction screen, if that is possible.

I have a factory shop manual, I will try to remember to look when I'm at the shop and see just how the oiling system is set up.

Did you do any research on the part # of the filter you are using and see if it actually has a check valve, or if possible any other alternate filters might have one?
 
Is this a real gauge, or the electric one that MF installed at the factory?


The electric cluster gauges take forever to respond. Watch how fast your temp and fuel creep up, even when you know it is hot and full of fuel.


Used to bother me, but both my 550s do the same. I checked one with a real gauge, takes a couple seconds in reality.
 
Temporarily hook a manual test gauge to it and and see what it really is doing.But you may have an engine/oil pump/suction tube problem based on hearing the tone of the engine change.Still could be oil filter tho.Mark
 
ran one for a man years ago it never had any oil pressure issues,started it up one morning guage starts to rise I started out of the cab to get something and looked back at the guage 0 pressure,shut it down and could find anything wrong restarted it no oil pressure, mechanic came to it pulled the sending unit started it no oil,never would pick it back up,laid the motor on it's side removed the pump stuck it in some diesel fuel it primed right up turning it by hand, he replace the pump no more problems,you do as you see fit but if it were mine I'd put 3 or 4 cans of stp oil treatment in it,be sure it's running when you pour it in or you can stop the pump sump screen up,it won't hurt the engine it but will help the lack of lube on initial start up BTDT until you can replace the pump
 
thanks for the reply's. I will double check the gauge as I too see they are slow to respond. have 10 acres left for this year so sounds like I have a winter project.
 
Have two 510's with the same problems. We have made a priming adapter and they pickup oil pressure right away.
ken
 
If you can hear a change in the engine when the pressure does come up it definitely is a low pressure problem. From reading some of the other responses this might be a common problem? My neighbor had a 510 with a Perkins that had no pressure when he started it after sitting since last season. The pressure never did come up so he bought another combine. Sorry I don't have a remedy. I have overhauled a couple of 354 Perkins but it's been at least 20 years ago since the last one and I don't remember much about the bottom end.
 

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