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Farmall & IHC Tractors Discussion Forum
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Won' t Start

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negrunke

11-26-2007 04:19:52




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I have a 1942 H that won't start. It won't even pop. The spark plugs are all sparking. The comprression seems good. I checked the fireing order, 1-3-4-2. I check the timing, 2 o"clock with front cylinder on top dead center. Even with a shot of starting fluid in each cylinder or into the carb, it won't fire. Any ideas? Is all the above info correct?




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El Toro

11-27-2007 06:23:22




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 Re: Won' t Start in reply to negrunke, 11-26-2007 04:19:52  
Which way do you have the plug wires on the cap? Hal

2-1
4-3 or

1-2
3-4



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negrunke

11-27-2007 16:28:25




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 Re: Won' t Start in reply to El Toro, 11-27-2007 06:23:22  
If you mean the firing order, I have it 1-3-4-2 with 1 being at the 2 o'clock position as you look at the cap.



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El Toro

12-11-2007 08:44:38




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 Re: Won' t Start in reply to negrunke, 11-27-2007 16:28:25  
Did you get your tractor started? Hal



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El Toro

11-30-2007 07:15:36




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 Re: Won' t Start in reply to negrunke, 11-27-2007 16:28:25  
Did you get the engine to start? Hal



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El Toro

11-27-2007 17:10:29




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 Re: Won' t Start in reply to negrunke, 11-27-2007 16:28:25  
Can you post a picture of the cap where the wires are connected? You can email me a picture if you want. Hal



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El Toro

11-27-2007 17:06:33




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 Re: Won' t Start in reply to negrunke, 11-27-2007 16:28:25  
That's the way it should be since your rotor turns CW. When No1 piston is at TDC on the compression stroke your rotor should point to the No1 plug tower. You have good suction at the carburetor and is getting fuel. Are you getting a hot blue fire to the plugs? If this is a mag disconnect the grounding wire at the mag for the time being and see if it will start. Hal



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negrunke

11-26-2007 15:14:15




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 Re: Won' t Start in reply to negrunke, 11-26-2007 04:19:52  
Yes there is good suction at the carb and fuel at the carb. Yes it is a magneto. Also good compression and exhaust valves are opening. Thanks for the help



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old

11-26-2007 07:48:06




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 Re: Won' t Start in reply to negrunke, 11-26-2007 04:19:52  
Would help us help you if we knew a little history on what you have or have not done. If you put you hand over the end of the carb does it suck pretty hard on your hand?? If it doesn't then you may have a gasket problem or a manifold leak which would cause that. Does it have gas to the carb?? To check that pull the drain plug out of the bottom of the carb. Try switching the spark plug wires across the cap and see if it runs you may have the firing order 180 out

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Farmall Ed

11-26-2007 07:24:45




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 Re: Won' t Start in reply to negrunke, 11-26-2007 04:19:52  
N. Does it still have the magneto , If it does I might be able to help you on timing. Ed



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Mike Farmer

11-26-2007 04:29:46




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 Re: Won' t Start in reply to negrunke, 11-26-2007 04:19:52  
I've got an H doing just the same. At the moment its all in little bits having a heart transplant (new rings etc)If it runs in next few days I'll let you know MTF



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El Toro

11-26-2007 04:26:55




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 Re: Won' t Start in reply to negrunke, 11-26-2007 04:19:52  
You need to bring No1 piston to TDC on the compression stroke again and then look at the rotor to see where it's pointing. Look at the valves on No1 cylinder too. They both should be closed. Hal



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