Ran out of fuel
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Bob77064
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rambler
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Gonna depend some on what tractor you have, I can guess the brand I suppose but not the model?
Not familiar with your brand, but some will prime themselves these days with a little cranking.
Otherwise follow down the line, get the fuel filter filled up, loosen a line near the pump and get fuel to come out of it, then follow along to let the air out, get the fuel to flow into each section of line. Sometimes gravity will do it for you, sometimes you have to crank it, but need to take a line loose to let the air out, fuel in.
--->Paul
Not familiar with your brand, but some will prime themselves these days with a little cranking.
Otherwise follow down the line, get the fuel filter filled up, loosen a line near the pump and get fuel to come out of it, then follow along to let the air out, get the fuel to flow into each section of line. Sometimes gravity will do it for you, sometimes you have to crank it, but need to take a line loose to let the air out, fuel in.
--->Paul
I'm rather new to diesel and have not run out of fuel yet, but now very curious! It sounds like diesels behave different than a gas engine? If my lawn tractor (gas) runs out of fuel (an it has), I let it cool, add some fuel and after a few cranks it will start again, is that not what happens with a diesel? How or why is the diesel different. - Thanks
dex3361
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Diesel engines inject fuel into the cylinders under pressure. If air is allowed into the fuel lines the air compresses and does not allow the fuel to be injected into the cylinder or precombustion chamber. When you run your tractor out of fuel the best thing is to get your owners manual and read about how to bleed your fuel system. If you do not have and owners manual then take some pics of your fuel system and someone will be able to walk you through bleeding the air out.
Gary Fowler
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Very few diesel injector pumps will self prime after running out of fuel. My old greymarket Yanmar had a small pump that you used your finger to push in to prime the fuel pump. It had a venting nut close to the fuel injector pump that you loosened to allow air to bleed out. When changing fuel filters (basically same as running out of fuel, loosen the fuel filter bowls to allow fuel to overflow then tighten, work your way down the fuel line breaking any connection that you find on the high end to allow fuel to flow, pump the primer pump. The last one you may have to loosen is the one on the injection pump and after that it should crank and run but if not, you will have to loosen of the nut on the injector itself doing one at a time while cranking the engine. It only takes about an 1/8 turn to allow air to bubble out then tighten it back. Repeat on each injector to bleed the air and it should start during this process when enough of the cylinder start getting fuel for it to run. Sometimes it will run rough for a few minutes till it purges out some residual air and may even require cracking the line on the injectors one at a time to release the remaining air. MY Yanmar was pretty easy to bleed and rarely required more than bleeding the injector pump vent.
rambler
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Diesel engines use a very high pressure pump to suirt the fuel into the cyclinders. This pump will _not_ push air, so if you un out of fuel, you need to get the air bled out of the system.
Either your fel tank is above the injector pump and so gravity will flow fuel to the pump; or there is a lift pump - low pressure fuel pump that tkes fuel from a lower tank and supplies it to the injctor pump.
Whwn air gets into the system you need to allow gravity or that lift pump to get fuel as close to the injector pump as you can. The injector pump just _does not_ pull air to itself well at all. you might also need to take the pipes to each cylinder off and allow the injector pump to bleed the air out of these, as well, tho most injector pumps will clear that air out eventually.
Your diesel may run poorly for a few minutes as it gets remaining air bubbles out of the system.
Anyhow my experience with a few different tractors, form a 15 hp Kubota, to several Fords and New Hollands up to 150 hp.And yup, all hve run out of fuel, or the fuel lines got blocked, or a fuel filter change went bad and needed bleeding of the lines.....
--->Paul
Either your fel tank is above the injector pump and so gravity will flow fuel to the pump; or there is a lift pump - low pressure fuel pump that tkes fuel from a lower tank and supplies it to the injctor pump.
Whwn air gets into the system you need to allow gravity or that lift pump to get fuel as close to the injector pump as you can. The injector pump just _does not_ pull air to itself well at all. you might also need to take the pipes to each cylinder off and allow the injector pump to bleed the air out of these, as well, tho most injector pumps will clear that air out eventually.
Your diesel may run poorly for a few minutes as it gets remaining air bubbles out of the system.
Anyhow my experience with a few different tractors, form a 15 hp Kubota, to several Fords and New Hollands up to 150 hp.And yup, all hve run out of fuel, or the fuel lines got blocked, or a fuel filter change went bad and needed bleeding of the lines.....
--->Paul
Gary Fowler
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When I had to repair my LS P7010 fuel tank which sets below the engine level, I just had to vent the air at the fuel filter. It then started right up. Easiest motor I have ever encountered for bleeding the air from the fuel lines.