bleeding fuel lines in a 5103 - The Combine Forum
 
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post #1 of 4 (permalink) Old 10-14-2010, 09:58 PM Thread Starter
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bleeding fuel lines in a 5103

I was driving my 5103 and all of a sudden it powered down and won't crank. (starter turns over but won't crank) I bought a new fuel filter suspecting a clog but am not sure how to bleed fuel lines to replace. Can anyone tell me how to get started? Thanks
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post #2 of 4 (permalink) Old 10-15-2010, 08:31 AM
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Highly unlikely to be the fuel filter. Check your fuses. There is one that controls the fuel pump solenoid that turns the fuel on. You should hear the solenoid move in the pump when you turn on the key. If not, there's something wrong with the power to it or the solenoid coil itself is burned out. If you hear that noise when you turn on the key, then proceed with the filter change, fuel supply checks etc. Check your owners manual for the instructions to change the filter.

Have had an awful time getting fuel filters off some of the JD utility tractors we have. Maybe just been on there too long, but they seem to get corrosion between the filter and housing and the filter swells or something. If it doesn't pull right off once you remove the retaining nut, be very careful you don't break the housing off the engine by the time you get the filter off of it.

I would grease the contact surfaces of the new filter and scrape any corrosion out of the housing before you put the new one on.
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post #3 of 4 (permalink) Old 10-15-2010, 02:16 PM
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If you change the filter, just open the little black plastic bleed screw on the front of the filter housing and then pump the primer on top until you get all the air out. Then close the bleed screw, pump the primer another 15 or 20 times and then crank the engine. It should clear the remaining air from the injector pump and lines on it's own. Can't remember having to bleed the injector lines on any of ours like we do on the larger tractors sometimes.
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post #4 of 4 (permalink) Old 10-18-2010, 10:01 PM Thread Starter
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I'll check those fuses. thanks
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