bleeding fuel system

ive run out of diesel in my 575 massey fergunson can anybody inform on how to correctly bleed the system ,i must fix the fuel gauge

Check your Operator manual for any info on priming. Is there a hand primer on the engine? Are the filters clear so you can see when fuel fills the filter while working the hand primer?

Crack loose the outgoing filter line to remove air. If fuel is going to the injector pump, crack the lines going to each of the injectors, and work the primer til fuel comes out at each one.

You just work your way down the line throughout the entire system.

Here"s a general method that you may find useful.

Bleeding a Diesel Fuel System


Start at the fuel outlet of the tank (inlet to the filter). Shut the tank valve, remove the line at the filter inlet and holding a suitable container to catch the diesel fuel, open the valve. You should have a CONTINUOUS rush/flow of fuel out of the line. If it dribbles or is intermittent, check the fuel cap for a blockage of the fuel vent or the strainer upstream of the valve for clogging. The strainer/screen is attached to the shut-off valve, and is positioned up inside the tank. You will have to drain the tank and pull the valve to clean the screen.
If you have good fuel flow at that point, reconnect the line and open the bleeder screw at the top of the filter. Turn on the tank valve and wait till you have a steady flow of fuel with no bubbles at the top of the filter, then close the bleeder screw.
Your pump may have a bleeder screw. If so, open that until fuel streams out with no bubbles, then close it. If you cannot identify the bleeder screw, loosen the inlet connection at the pump and purge air at that point.
Go back and make sure ALL the fittings in the fuel delivery system are tight so they cannot suck air.
Make sure the battery is fully charged. Loosen the fuel fittings at the injectors, either one at a time or all at once. Crank the engine till you see all fuel at the injector fittings and then tighten the fittings. If you do indvidual fittings, the engine will usually start before you get to the last fitting.
Alternatively, you can "tow-start" it to save wear and tear on your starter. Leave the injector lines cracked open at the injectors at first to purge the lines. Then tighten them up and she should start.
Your injection pump puts out a very small amount of fuel (high pressure/low volume). BE PATIENT. If the lines are totally empty, it takes a lot of cranking to fill them up.

sixbales & Jerry/MT

Hello mikrowe,

Fill all the filters and crank it for a few seconds see if it fires up on its own.. See if it is attempting to fire. If not, loosen the fuel lines one at the time, while cranking the engine. When fuel starts squirting, tighten the line. It will start after more then 1/2 the lines are loosened this way,


Guido.

thanks fella,s it was all helpful filling the fuel filters was the problem as it had run out of diesel ti had completely blocked the filter so no fuel was entering the filter at all