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AC WD not runnig well....fuel or air?

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08-16-2002 18:43:28

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The thing seems to run fine and after a few minutes it starts coughing, then runs fine for another minute or so and so on. I just can't seem to put my finger on what is causing this problem. Anyone out there have any ideas?


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08-19-2002 08:19:57

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 Re: AC WD not runnig well....fuel or air? in reply to Matt, 08-16-2002 18:43:28  
I had a similar problem when I started my WD after rebuilding it. Turned out to be the manifold wasn't sealed to the block - it would run good for a few seconds and then sporadicaly pop and keep going.

I agree with the previous post - fuel is a lot more common.

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Farmer Brown

08-18-2002 17:42:24

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 Re: AC WD not runnig well....fuel or air? in reply to Matt, 08-16-2002 18:43:28  
NExt time it runs rough, try choking it a little . If that helps it's likely a lack of fuel problem. Air problems are not real common. Odds are it's fuel. If it is a dirty carb fuel problem sometimes you can cure it at least temporarily by putting the palm of your hand over the air intake pipe (remove the mushroom shaped cap) with engine running full throttle, tractor parked in neutral and then take your hand off before it dies and repeat several times. An old cheap trick that sometimes gets you through the day until you can clean the carb properly. Does your tractor have a fuel filter? If not you can expect some carb trouble now and t hen.
Also, rust flakes can cover up the outlet in the tank and then move around if you are driving. Look in the tank when fuel is low with a mini flash light to see what if anything is in the bottom at the outlet. How is sediment bowl? they can get full of water and let water overflow to carb periodically. If you remove bowl to clean out, it is a good opportunity to check flow from tank. Just turn valve back on while bowl is off. I recommend having a new gasket when you remove the bowl. If gas rushes back in you have an air leak that will become a gas leak when the bowl gets full. If gas fills bowl slowly it probably will not leak.

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