420A stops running: Belarus  -- Other Tractor Brands Discussion Forum and Review 420A stops running: Belarus -- Other Tractor Brands Discussion Forum

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Discussion Boards > Active Subjects > Messages as Posted > Belarus Forum

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 07-11-2004, 18:02 Post: 90579
rancher065



Join Date: Jul 2004
Location: southeast Mississippi
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 1
 420A stops running

Have a problem with a 420A that is making me old before my time (maybe not before my time but certainly older)

I prime the fuel pump and it will crank and run for 6-8 minutes and then die out.

I have cleaned/checked the fuel cut off valve, replaced the line to the 1st stage filter, cleaned both filters and replaced the second stage filter.

it appears to be chocking for fuel but I can not locate the stoppage, if that's what it is.

Hoping that someone else has had the problem and solved it.






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 07-21-2004, 11:16 Post: 91552
lenhardt



Join Date: Jul 2003
Location: Rochester, NY
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster
Posts: 3
 420A stops running

I had the exact same problem on a Ford 8N. It turned out to be the vent on the fuel cap was clogged. With no air entering the gas tank, the exiting fuel pulled a vaccuum. Try removing the fuel cap and running the motor. If it keeps running, then that is the problem






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 05-14-2008, 20:16 Post: 153699
belarus250



Join Date: May 2008
Location: NE
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Posts: 30
 420A stops running

Rancher:
I think I have your problem solved! I just got a 250 and it did the same thing. Hand pump and prime the system, starts, runs for a while quits. After the primary filter and before the lift pump on the injector pump I cut the line and put in an electric 12volt fuel pump. Now all my fuel air leaks show wet and the faulty lift pump (that was the villan) gets a boost. To test this I unhooked the pump and the engine quit. I think your problem is the lift pump. I don't know what the cost of a new one is but I suspect my electric pump is cheaper and has many advantages.






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Discussion Boards > Active Subjects > Messages as Posted > Belarus Forum

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