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Farmall & IHC Tractors Discussion Forum
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400 ignition timing

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SDE

03-31-2006 03:30:32




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This tractor came with a cornpicker on it. (ran seasonally?)It also had numerous igition parts in the tool box,coils,points, condenser. The battery was stamped 97, which makes me believe that 97 was the last time he tried to get it to run. Insanity is doing the same thing, but expecting a different result, so I removed each plug wire and moved them to the next terminal on the dis. cap. It STARTED, but ran like a green machine. Changing the timing did not have any effect. I intentd to put #1 to TDC and adjust the valves and look to see where the rotor points to. It finally occurred to me that maybe they had removed the hydraulic pump for a repair and it wasn't installed properly. Before I remove the freshly filled hyraulic fluid and remove this pump I wanted to know if I am overlooking a different solution to this problem. Thank you SDE

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El Toro

03-31-2006 08:04:42




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 Re: 400 ignition timing in reply to SDE, 03-31-2006 03:30:32  
Your plug wires may have been in the correct firing order before you switched wires. They should be on your cap in this firing order with your rotor turning CW. Bring No1 piston to TDC on the compression stroke and your rotor should be at the No1 plug tower with both valves closed.
Hal

2-1
4-3



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the tractor vet

03-31-2006 07:39:25




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 Re: 400 ignition timing in reply to SDE, 03-31-2006 03:30:32  
Now it is posiable that it may have sheared the key on the drive gear on the hdy. pump and this has it out of time , so myself i would pull the pump and remove the drive gear and check the littel Key then pull the valve cover and bring the engine to TDC by checking the valves and the timming pointer on the crank pulley then set everything in preset and then make the fine adjustments .then if it has compression , spark, and fuel it will run.

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Brownie 45

03-31-2006 03:43:09




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 Re: 400 ignition timing in reply to SDE, 03-31-2006 03:30:32  
Sounds like you have 2 sparkplug wires reversed in the distributor cap. It's a bear to see the ignition wires under the hood with a picker on , but check which wires go to which plug. Don't tear things apart until you check this out. After all, it runs on 2 cylinders.



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SDE

03-31-2006 15:46:43




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 Re: 400 ignition timing in reply to Brownie 45, 03-31-2006 03:43:09  
I had already removed the picker and the wires were in the proper order.(????)I pulled one wire off at a time and the RPM dropped each time. I have been preoccupied with some personal problems and thought that maybe I should spend some quality time in the shed this weekend. Might rain anyway. Thank you SDE



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