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Need help anyone!!

A

Anonymous-0

Well-known Member
I have an H Farmall that is giving me trouble. The motor will start and run, but only with the
choke closed. If you try to open the choke the
motor will die out. The carburator has been rebuilt. All new ignition components. Anyone have any suggestions?
 
Well several things could cause this problem . (1) ya could have leaky manifold gskts (2) ya could have a crack in the manifold (3) your fuel sediment bowl could have dirt in the inlet inside the tank. And (4) your carb rebuild may have not been done correctly and ya may have some blocked passages that ya overlooked.
 
Sounds like something was missed in the rebuilding of the carb. Maybe float adjustment is wrong or something might still be plugged in it. Or the fuel line is plugged or partially plugged (check inlet and line) see if carb getting fuel easily. Couple places to start anyway.
 
I took the fuel line off, blew it out with 100psi
pressure. Took tank off and cleaned it out. I set
it up with and inline fuel filter. I have done away with the sediment bowl, and put a cock valve
coming directly out of tank. The screen is clean
going into the carb.
 
Howdy
The guys on this site that know what they are talking about say , Do not use an in line filter.
(if I know what I'm talking about?)
Bob S.
 
I got a new in-line filter for my Super-A, but gas would only dribble through it. I've been told that some filters are designed to be used with fuel pumps only, and don't work with a gravity-feed. Put the old filter back on and the gas flowed freely.
Not that this is your problem, but something not to overlook.
 
I agree....throw that inline fuel filter away, since they were made for fuel systems that use a fuel pump, and put a new sediment bowl on the tank outlet. Inline filters may be too much flow restriction on a gravity-feed fuel system; while it may not take too much of a pump to overcome an inline filter, you're pretty much stuck with the amount of fuel-flow-inducing gravity you have now.

Then check for a bad gasket, probably between the carb and the manifold, that's allowing the engine to suck too much air for the amount of fuel you're getting. If the manifold and manifold gasket were both good before you had the carb off, odds are they're still OK. But check the simple stuff OUTSIDE of the carb before getting back inside it.

If you have to choke it to make it run, that's an instant sign--yup, here's yer sign--that you're getting more air than needed--or less fuel than needed--in an un-choked mode. Logic says it's either an air leak or a fuel restriction.
 
Ok. I will try anything I need to get it running right. It will be a while, as I'm going in for back surgery Monday and will be out of commission for a little while. Thanks for your help.
 
Darryl: As others have told you, heave that inline filter, go to a farm store or CaseIH and get a proper sediment bowl, complete with proper screen.
 
Darryl: As others have told you, heave that inline filter, go to a farm store or CaseIH and get a proper sediment bowl, complete with proper screen.
 
If it will stay running for more than a minute with the choke out, the fuel delivery to the carb may not be the cause. I suspect (as does the Tractor Vet) that it is either a continuing issue inside the carb, or a vacuum leak in the manifold/gaskets. JimN
 
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