Out of fuel

   / Out of fuel #21  
My JD4300 has an auto prime system. No cracking lines or filter bowl. ButI it has a fuel gage also.
 
   / Out of fuel #22  
</font><font color="blue" class="small">( Problem is I bought it used and do not have an owners manual. Help!!!)</font>

As Soundguy & daTeacha wrote, you have to bleed the air out of the fuel lines.

Find the fuel lines on the side of your engine (I have a TC24, much smaller engine, mine are on the right side). Trace the line all the way to the injectors (they are probably thin rigid lines/pipes, one going to each cylinder). Now that you found all the lines, you start opening and bleeding. You start at the fuel bowl (away from the cylinders) and work toward the cylinders. First loosen the nut at the cylinder side of the fuel bowl and then engage the key/starter to get your fuel pumping until it just starts to bubble out of the loosened nut. Retighten the nut. Then move to the next nut in sequence (it may be at the first cylinder) and loosen that one. Engage the key/starter to get the fuel pumping until it bubbles out. Then tighten the nut. Go to the next one. When you get all the air out of the lines, the engine should start. If you get most of the air out, it will probably start, and run rough for a little while (maybe as long as 5 or 10 minutes) but then should run smooth again.

Once you get it started, don't run out of fuel again!

I have one tractor that has a flaky fuel gauge. I don't trust it and remove the cap and do a visual inspection. But I can tell you that you rarely run out of fuel at anyplace that is convenient to bleed the lines!
 
   / Out of fuel #23  
</font><font color="blue" class="small">( Problem is I bought it used and do not have an owners manual. Help!!!)</font>

As Soundguy & daTeacha wrote, you have to bleed the air out of the fuel lines.

Find the fuel lines on the side of your engine (I have a TC24, much smaller engine, mine are on the right side). Trace the line all the way to the injectors (they are probably thin rigid lines/pipes, one going to each cylinder). Now that you found all the lines, you start opening and bleeding. You start at the fuel bowl (away from the cylinders) and work toward the cylinders. First loosen the nut at the cylinder side of the fuel bowl and then engage the key/starter to get your fuel pumping until it just starts to bubble out of the loosened nut. Retighten the nut. Then move to the next nut in sequence (it may be at the first cylinder) and loosen that one. Engage the key/starter to get the fuel pumping until it bubbles out. Then tighten the nut. Go to the next one. When you get all the air out of the lines, the engine should start. If you get most of the air out, it will probably start, and run rough for a little while (maybe as long as 5 or 10 minutes) but then should run smooth again.

Once you get it started, don't run out of fuel again!

I have one tractor that has a flaky fuel gauge. I don't trust it and remove the cap and do a visual inspection. But I can tell you that you rarely run out of fuel at anyplace that is convenient to bleed the lines!
 
   / Out of fuel #24  
/forums/images/graemlins/grin.gif Can you tell me a place where it is convenient?? /forums/images/graemlins/grin.gif
 
   / Out of fuel #25  
/forums/images/graemlins/grin.gif Can you tell me a place where it is convenient?? /forums/images/graemlins/grin.gif
 
   / Out of fuel #26  
</font><font color="blue" class="small">( /forums/images/graemlins/grin.gif Can you tell me a place where it is convenient?? /forums/images/graemlins/grin.gif )</font>

NOT when you are right in the middle of a 6' gate opening with the gate hinge on the side of the tractor opposite of the fuel injectors so you are hugging the machine up close to the lock post /forums/images/graemlins/frown.gif Don't ask me how I know /forums/images/graemlins/crazy.gif
 
   / Out of fuel #27  
</font><font color="blue" class="small">( /forums/images/graemlins/grin.gif Can you tell me a place where it is convenient?? /forums/images/graemlins/grin.gif )</font>

NOT when you are right in the middle of a 6' gate opening with the gate hinge on the side of the tractor opposite of the fuel injectors so you are hugging the machine up close to the lock post /forums/images/graemlins/frown.gif Don't ask me how I know /forums/images/graemlins/crazy.gif
 
   / Out of fuel #28  
I wonder how many replies we'd get if we asked for those who never ran their tractor out of fuel to check in here? I'm guessing not too many. It seems you just have to do it once (or more) to learn that it is not a convenient thing to have happen.
 
   / Out of fuel #29  
I wonder how many replies we'd get if we asked for those who never ran their tractor out of fuel to check in here? I'm guessing not too many. It seems you just have to do it once (or more) to learn that it is not a convenient thing to have happen.
 
   / Out of fuel #30  
Once is enough. I learned how to do it because I play with antiques and when you put them back together you have to bleed them when you refill the fuel system.

The absolute worst time for me was when I had to bleed the lines when a worker of mine was doing some landscaping and using my equipment. He was a good old farm boy. There were 2 or 3 other guys helping him. I was at my office so I drove home after he called me to tell me he broke one of the tractors.

Only took a few minutes to figure out it was out of fuel. But there I was, in my dress clothes, with an audience (that was standing there being paid by the hour), and I had a wrench. It was my first time bleeding the lines on that particular tractor. Got it done in just a few more minutes and showed the kids that I still knew what I was doing /forums/images/graemlins/grin.gif
 

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