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I have noticed that the sediment filter when running at speed has a turblance in the bowl that looks like air swirling. When it runs at a idle none of this is seen. With the fuel on and the tractor off there is no fuel leaks which makes me think when running it should not be sucking air. It might be me but it seems to be loosing power ,fuel starving at higher rpms’s. got any ideas? all filters,screens are good.
the only people I found was circle g tractors and jinma usa . there used to be more I thought.
I assume I am correct on this, I am not familiar with the engine or hydros on the 404 but when you remove the hydro pump there should be a seal to the pump side of the drive gear. that seperates engine oil from hydro oil. that would be the one. please let me know if I am in error.
this is a guess but I suspect something deadheaded and blew the seal and loaded the engine with hydro oil..there has been problems with the quick connectors not flowing as they should, it has been suggested that they get replaced first when hydro problems start happening. you need to double check the valve you put in and make sure that all the connection ports match as to what they do to the old valve.
heah, if the light came on I would have done the same thing by adding a manual gauge. cause a idiot light can not tell you much.
dont you hate it when you make a mistake like that and then have a redo the same sucky job again.
well the oil pressure adjustment screw bottomed out at 2-1/2 turns , on a hot idle mine runs about 22 psi at 750 rpm as best as I can tell.
oh I had a issue with my tach and it was the pickup on the bellhousing. if you want to see if your is dirty on the end look at it and screw by hand tenderly it till it contacts the flywheel and back out 1 -1/2 turns.
you say that the oil pressure relief is wide open , do you mean unrestricted ? I would think that the screw should be turned in some at least to put the spring under some tension. If you need me to I can turn mine in and count the rotations and give you a ballpark of where mine sits.
i would not worry about those readings, I have a foton ft 504a and it is pretty much the same way. you could look at the tach and if it is idleing a little low turn up the idle speed a touch. Look in the operators manual I think the suggested idle rpm is listed( it is around 750 I think). I believe that 15/40 weight oil is the suggested one to use in it, might want to change to that if using something else.
