B7500HST, D1005 E engine, 2004 model, 585 hours, have had since new, always ran perfect summer or winter. I ran the tractor very low on fuel (but not out) helping to put out a neighborhood grass fire using the front bucket. Tractor was not used for about a week, got new fuel from a new service station. Tractor started as usual, drove the tractor about 400 feet into the field, engine started to run very rough and stopped running. I assumed I got bad fuel so I drained the tank, replaced the fuel, changed out fuel filter, replaced fuel hose from filter to fuel lift pump and from lift pump to injection pump, replaced engine air filter and for the first time bled the system. Tractor was difficult to start, eventually started, drove the 400 feet back to the yard, engine started to run very rough and stopped running. I have since changed out the plastic water separator/fuel filter assembly to a better system and the lift pump. Cranking almost starts the engine but not quite running. Lots of fuel flow from the tank thru the separator, filter and lift pump. Removing fuel tank cover while cranking doesn't make any difference. Am I terrible at bleeding the system or is there something else I have neglected to do?
B7500 start problem
- Thread starter LawEd
- Start date
Russell King
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North Idaho Wolfman
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Russell King
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You need to let the starter cool down!
Crank 30 seconds then wait 120 seconds. After a few cranks (5-8?) walk away and come back in 15 minutes or so. You can add a fan blowing on the starter to help keep it cool but you can still burn it out by using it to frequently in a row.
Crank 30 seconds then wait 120 seconds. After a few cranks (5-8?) walk away and come back in 15 minutes or so. You can add a fan blowing on the starter to help keep it cool but you can still burn it out by using it to frequently in a row.
BAP
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Make sure that the fuel shut off lever is pushing in all the way opening up the shut off on the pump all the way.
My B7500 has only failed to start once. There was a very small pinhole in the line between the fuel filter and lift pump which caused it to suck air. I found it because the was a small spot of fuel on the outside of that line.