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Farmall & IHC Tractors Discussion Forum
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HELP Farmall H

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mattla

02-25-2005 13:31:45




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Well after my students had completely overhauled a Farmall H we are trying to get it running. This is the hardest tractor that I have ever worked on. I have done Farmalls, M-Hs, MMs you name it and this one doesn't want to start. It has great spark, is timed really closes to what it should be, It will pop but not start. Any Ideas??? has new pistons, cam, head, rebuilt carb, new points, old coil, new wires, and the works. Let me know


Thanks Matt

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El Toro

02-26-2005 13:41:45




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 Re: HELP Farmall H in reply to mattla, 02-25-2005 13:31:45  
Bring No1 piston up on compression stroke and until the timing mark on the pulley is aligned with the pointer. Then see if the rotor is pointing to No1 plug in the distributor. If this looks ok check your plug wires. With a distributor your rotor turns CW and the next plug is No3, then 4 and 2. If these are ok. Squirt
a little gas into No1 sparkplug hole and see the engine tries to start. If it does you aren't getting fuel into the combustion chambers. Hal

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Novel Idea Guy

02-25-2005 20:21:33




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 Re: HELP Farmall H in reply to mattla, 02-25-2005 13:31:45  
An engine needs four things to run, air, fuel, fire, and timing. You're missing one of the four. Go back and check again. If it still won't fire, go back and check it all again. If it still won't fire, go back and check it all again. You get the idea.

There is no such thing as an engine in running condition that can't be made to run. Something is misaligned, overlooked, or broken. Keep at it. Maybe get some fresh eyes to look things over. We tend to make subconscious assumptions and miss obvious things when we've been working on something for a while.

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MagMan

02-25-2005 14:55:13




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 Re: HELP Farmall H in reply to mattla, 02-25-2005 13:31:45  
I would switch the plug wire on the cap 180 and try it that could tell you if the mag or dist is 180 off . You may have missed compression stroke. JON



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Theman

02-25-2005 14:00:30




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 Re: HELP Farmall H in reply to mattla, 02-25-2005 13:31:45  
The symptoms you describe could be due to crossed spark plug wires. In my haste to hear a '47 I had just rebuilt run, I neglected to account for the change in direction of the distributor rotor. The wires on the #2 and #3 plugs were switched.

One other thing it could be is a low carburetor float level. Now, if you've had gas pouring out of the bottom of the carb, this would not be the case.

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