4230 John Deere fuel

David Parman · Mar 26, 2014

I"ve got a 4230 JD tractor, which I have been using to chisel CRP ground that I burnt off last week. The screens on the front got really plugged up good, and I noticed a lot of the tiny burnt ash around the fuel cap also. After I cleaned the screens and went back to work, the tractor started pulling down and died. I took the fuel line off at the pump and blew it out, put a new fuel filter on, got it primed and running again, went 2 rounds and it died again. Now I can"t get any fuel from the line at the pump until I blow it out again. My mechanic thinks I need to take the tank off and have it cleaned out by a radiator shop. My question is whether the burnt ash could be getting past the fuel cap into the fuel. I"ve got about 15 acres left to chisel and don"t want to go to the trouble and expense of getting the tank off and scoured out, only to have the same problem again once I go back to work. Any suggestions how to keep the ash out of the tank if you think that might be my problem? Thanks.

donjr · Mar 26, 2014

Whatever you got in the tank didn't get in there overnight if it's plugging stuff up. You probably need the entire system pretty well cleaned out at least back to the fuel filters.

JDemaris · Mar 26, 2014

The problem is probably the stand-pipe in the fuel shut-off valve that screws into the bottom of the tank. Take it out, clean it and if it does not have one already - put a screen on it. I've had many Deere tractors with the same problem.

travis miranowski · Mar 26, 2014

Before you go to all the work of draining the fuel tank and pulling out the valve, take apart the banjo fitting on the front side of the fuel transfer pump. It is a good place for debris to collect and plug. Seen it several times!!

travis miranowski · Mar 26, 2014

Sorry was thinking 4430 with inline bosch pump.

Tx Jim · Mar 26, 2014

Are you positive tank vent isn't plugged???

Steve@Advance · Mar 26, 2014

Are you sure the lift pump is good? If it pumps like it should right after blowing out the lines it's probably not the problem, but worth checking.

Like jdemaris said, pull the stand pipe and clean it out. That should also drain out anything in the bottom of the tank. Maybe give it a stir and flush while you're there.

Depending on what you get out of the tank will determine if the ash is getting in there. I doubt you'll find much, but if you do look for possible entry ways, like around the sending unit or a damaged cap. Unless you get something really nasty out the tank, just a flush should clear it up. Having a radiator shop clean it is pretty extreme, mostly that's for something that has sat with gasoline for years.

showcrop · Mar 26, 2014

Before pulling the tank I would siphon some off the bottom first, from as close as possible to the supply tap, and see what it looks like

Tx Jim · Mar 27, 2014

(quoted from post at 22:17:16 03/26/14)
Before pulling the tank I would siphon some off the bottom first, from as close as possible to the supply tap, and see what it looks like

No need to siphon as tank has a drain cock so condensation water can be drained.

4230 John Deere fuel

David Parman

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donjr

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JDemaris

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travis miranowski

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travis miranowski

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Tx Jim

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Steve@Advance

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showcrop

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Tx Jim

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