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Country Discussion Topics
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Tractor problem
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David    Posted 05-15-2002 at 07:34:52       [Reply]  [No Email]
I know this is not the board to be posting this, but I thought maybe some old truck driver or cowboy could help me. I've posted at YT and got no response. Here's my porblem. Newly rebuilt Ford diesel 3000, gotta wind her over for about 20-30 seconds before she'll crank. When she cranks she's fine and will continue to crank. Let her set a couple of hours or over night and same problem. Like I'm losing fuel pressure or something. Runs great and injector pump seems to be fine. Bad pickup pump maybe? Thanks for any help.

KMcMillan    Posted 05-16-2002 at 06:51:00       [Reply]  [No Email]
Might check the injector pump timing. Had same problem with a 5000 and the pump was slightly out of time. Good luck.

Texas Al    Posted 05-15-2002 at 21:16:09       [Reply]  [Send Email]
Maybe the glow plug is not heating up?

David    Posted 05-15-2002 at 11:37:16       [Reply]  [No Email]
Thanks for all the help. The fuel system must be tight as I never need to bleed any air out of it. I guess maybe a bad diafram in the fuel pick up pump. I think I'll start there. Thanks again.

bob ny    Posted 05-15-2002 at 09:49:50       [Reply]  [No Email]
some tractors have a oil/water seperator in line
and the the leather seal on the bottom drain could leak until it warms

Mudcat49    Posted 05-15-2002 at 09:25:22       [Reply]  [No Email]
It is sucking air somewhere between the tank and the pump. Might be a bad gasket on the filter.

TimC    Posted 05-15-2002 at 08:56:08       [Reply]  [No Email]
Loosen an injector feed line and have someone crank it over while it is cold and you are watching. The fuel should squirt out of the loose connection. You don't have to fully disconnect, just loosen it about a turn and a half. It should almost be instant.

If it comes straight out then look for a differant problem.

A 5000 super major will run without a pump due to gravity and i would assume your fuel tank is above the injector pump so if you have a mechanical pump it could be bad.

Not a diesel tech but    Posted 05-15-2002 at 08:44:28       [Reply]  [No Email]
Sounds like a fuel drainback problem ie:when it sets,air leaking in is allowing fuel to drain back down lines requiring extended cranking to repressurize lines before starting.
1:Chk all pressure lines from pump to injectors for ANY visible fuel leakage and correct.
2:Check injectors for leaking seals,tightness
3:Ship defective tractor to me and I will properly dispose of it for you without charge.

Good luck/Joe

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