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Farmall & IHC Tractors Discussion Forum
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Farmall H starting problems

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Garrison in Mar

02-20-2004 06:51:39




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First off, I would like to thank Dave for mailing me information about the H electrical system. I have another H this tractor turns over but will not start. After a few cranks gas leaks out of the carburator. Do any of you know what the problem might be?




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Scott

02-21-2004 04:18:43




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 Re: Farmall H starting problems in reply to Garrison in Maryland, 02-20-2004 06:51:39  
How about this, Electrical problem, starter will crank, plugs will not fire. Gas builds in carb and leaks. Had it happen.



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Dave in CT

02-20-2004 09:57:50




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 Re: Farmall H starting problems in reply to Garrison in Maryland, 02-20-2004 06:51:39  
You're welcome. It sounds like you're adjusted too rich but it could be a variety of things. I had similar problems which were solved, as old suggested, by rebuilding the carb. If you screw in the idle fuel adjusting screw (the head of the screw faces the front of the tractor) in till it gently seats and then out 1 to 1&1/2 turns and the main fuel adjusting screw (head points at an angle down and towards the rear) 2&1/2 to 3 turns out from the seat, you should be able to start the tractor. If I'm having problems, I usually take off the hose from the air cleaner to make sure the choke plate is all the way open.

If you're not even scaring up a pop, you'll want to make sure you have a spark before you go any further (to the carb rebuild). There are a variety of ways of doing this. I usually pull a plug, reconnect its wire and then hold a face of the hex-nut part of the plug against a good ground (use well-insulated pliers and hold them with rubber gloves on), have someone turn over the enging to see if I get a spark across the sp gap. Make sure the shut-off switch is in the starting position, it's out of gear, and there's no gas fumes around, of course.

There are many other things you may want to check - see the 'Articles' section under 'Research & Info' to the left of this web page. There's an article called something like 'Engine Troubleshooting - Gasoline Engines' that may offer some help.

If you decide to go on to the carb rebuild, I can offer some tips for that. Just post a question to 'Dave in CT'.

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Bill Smith

02-20-2004 09:50:24




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 Re: Farmall H starting problems in reply to Garrison in Maryland, 02-20-2004 06:51:39  
If you are choking while trying to start, it could be that you are overchoking (raw gas will run out of carb). Otherwise gas leak is most likely related to a float/needle valve problem in carb (very common, but will most likely do it a few seconds after turning gas on, even without turning tractor over). If this isn't starting problem, you might want to adjust carb according to manuel, do a spark test, ext.

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Matt K.

02-20-2004 09:38:20




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 Re: Farmall H starting problems in reply to Garrison in Maryland, 02-20-2004 06:51:39  
My H has always started with very little if any
choke,otherwise she will begin to flood out.
It is possible that the float is sticking,or may have a leak in it.I say this assuming that
you don't have an electrical problem like
no spark?



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old

02-20-2004 09:25:21




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 Re: Farmall H starting problems in reply to Garrison in Maryland, 02-20-2004 06:51:39  
You probably need to rebuild the carb, but you could also have a gasket leak or intake manifold leak. But I'd look at the carb first it may have a stuck float.



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