I have found diesel fuel in the motor oil my Massey 165 tractor. I'm told it is probably the seal in the injector pump. I believe there is also a pick up pump on the engine also. Could this also be a problem. I also need to find the opening on the engine to locate the timing mark on the flywheel. Could you describe the location of the inspection hole between the housing and the transmission? I think there is a rubber grommet in the bell housing, but I need to make sure that this is the inspection hole before I pull the grommet out. I have a perkins AD4-203 motor.
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OOhh well I guess you've learned that its allways a good idea to prefill your fuel filter when replacing it , see my tip for priming diesel trucks (works for tractors too) , well sounds as if now you got air bound injectors (air compresses -fuel doesnot ) you will need to loosten (not remove!!!) injector lines at head till they bubble as you crank engine over , sometimes a quick method ive used is to " spray" paint thinner (mineral sprits) into air intake as I crank , engine should sputter and eventually start as injectors take over fuel delivery
diesel engine --- diesel fuel is leaking past the pump seals into the sump and raising the oil level
that is diluting the sump oil and the oil leak is oil/fuel evaporation for extra hot sump oil
suggest that you discuss this with a diesel pump specialist shop as diluted oil is not good for the motor
Allen Stewart, I need the wiring diagram of the dash area. Does anybody have this? Allen Stewart, wiring diagram is needed for Massey Ferguson 230 diesel.
IPL indicates this engine uses a fuel injection system which is probably uses diesel fuel.
Don't know a lot about fuel injector systems but it is either a leaky injector or leaky injector pump. With my luck it probably would be the pump seals.
If you removed your injector lines, and then reattached them. You first off got air in the line and you will have to purge them. But, I believe that your injector gasket was probably the culprit and why it was leaking. It sounds like the injector was losing fuel pressure and the pump was unable the push enough fuel to all the cylinders when under load.
If it were me, I would go online to HoyteTractors.com they carry every part for your Yanmar tractor that you will ever need. They also have a tech department too. Since you already have air in your lines, you might as well replace the fuel filter and O-ring and injectors seals. You can also get a service manual from Hoyte for your specific tractor model. If your Yanmar (3000) is like mine, my fuel pump is on the "passenger side" of the tractor and it has a bleed valve on it. So after you replace your parts you can bleed the air out. They are very simple machines to work on. Just in case you didnt know, most Yanmar tractors are a direct cross to John Deere Tractor Models. Any John Deere tractor under 100hp is/was Mfg. by Yanmar for 30-40 yrs or so. Good Luck!!
I ran into the same problem and found the line to the tank was clogged, take your line loose and see if your fuel flows freely if not blow some air from a compressor back up the line and into the tank. Hope this helpls
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