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Cattle Boards
Trucks, Tractors & Machinery
JD 5525 fuel issues
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<blockquote data-quote="simme" data-source="post: 1836150" data-attributes="member: 40418"><p>Add an electric fuel lift pump on the right side before the water separator. Power it from the shutoff solenoid on the injector pump. Original design depends on injector pump to lift fuel from the tank and does not work if there is ANY air infiltration. And that priming system is a pain. Seems like the tank needs to be FULL if the priming system has any chance of working. I have not had any issues after adding an electric pump on my 5520. Cheaper than chasing and fixing small air leaks and more reliable.</p><p></p><p>Also the coolant temperature switch that operates the cold timing advance on the injector pump on those tractors will eventually short out internally and blow the fuse to the shutoff solenoid. Easy replacement of the switch. When the fuse keeps blowing, replace the switch.</p></blockquote><p></p>
[QUOTE="simme, post: 1836150, member: 40418"] Add an electric fuel lift pump on the right side before the water separator. Power it from the shutoff solenoid on the injector pump. Original design depends on injector pump to lift fuel from the tank and does not work if there is ANY air infiltration. And that priming system is a pain. Seems like the tank needs to be FULL if the priming system has any chance of working. I have not had any issues after adding an electric pump on my 5520. Cheaper than chasing and fixing small air leaks and more reliable. Also the coolant temperature switch that operates the cold timing advance on the injector pump on those tractors will eventually short out internally and blow the fuse to the shutoff solenoid. Easy replacement of the switch. When the fuse keeps blowing, replace the switch. [/QUOTE]
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JD 5525 fuel issues
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