4600 Diesel

My 4600 has a fuel flow problem coming out of the shut off valve on the bottom of my tank ( tractor stalled and had to blow air back thru valve to re establish flow). I removed the valve and it was almost
plugged. I noticed it is threaded flush with bottom of tank. Is this normal. Usually my other tractors has the suction to the valve extended up into the tank with a screen on it. What do yall do to resolve
this. Could I put a pipe ( 1/2 in pipe thread ?) and a cut off valve on it to fix the problem ?
 
+1......to prevent the problem you are experiencing, not just in your 4600 (which I too had) but in most all tanks including my 2000 and 3000.
 
Generally, no. But my fuel is filtered as it's pumped into the tractors. The screen got stopped up in a 3000 that I bought... had to drain some of the fuel out to wash the crud out of the bottom of the tank. No problems after that.
 

It happens, consider the age of these tractors, lot of fuel and maybe other shut dumped into the tank over the years.
The screen came off the valve on my 4000 once allowing a piece of trash to get in the valve, another time the screen got stopped up.
I don't consider having to remove the valve and screen twice in 26 years to be a issue, just a maintenance thing.
My 4000SU had burnt so I replaced the tank and valve when I fixed the tractor 7 years ago, no issues yet.
 
I have a friend who also has a 4600 Diesel and he had pretty much the same problem. It would run just fine unless you moved it and then the fuel assembly in the tank would clog up and then it would die and would not start back up with out a hassle. I pull the assembly out and replaced it since when new it had a stand pipe so as to keep the last 1/2 inch or so of fuel lower then the outlet part and he has not had any problems since. I also flushed the tank out some when I was replacing that assembly to remove dirt/rust etc
 

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