Re: Farmall H Starting Problems.....

Posted by john d on December 27, 2005 at 20:00:39 from (69.128.202.89):

In Reply to: Farmall H Starting Problems..... posted by Farmall H PA on December 27, 2005 at 14:02:03:

If it has gas, spark, compression, and is timed correctly, it will run.

You've got gas dripping from the carb, so you know it has fuel that far, at least. I'd look for spark next. Remove a spark plug wire from the mag cap. Let it hang in mid-air while still attached to the mag. Get a long screwdriver with a wood or plastic handle. Put the tip of the blade firmly against the engine block, and have someone crank the engine over WITH THE IGNITION SWITCH ON while you move the blade of the screwdriver close to the end of the plug wire. If you have spark, it will jump from the wire to the screwdriver. You won't get shocked, as it will go back to the engine block. If you can't get a spark that way, then it's time to dig into the mag. If you do get a healthy-looking blue spark (reddish may indicate poor condenser) then pull the spark plugs. If they are wet with gas, clean them. Don't just clean the threaded end, wipe the porcelin insulator with a paper towel to remove moisture, dirt, etc. While they are out, crank the engine a couple of turns to put some clean air inside
before re-installing the plugs.
If the gas is old, all bets are off.

As a previous poster indicated, they each have their quirks about how much choke they want. I'd start with about 1/4 throttle and no choke. Get the engine spinning, then add a LITTLE choke if needed.

If the thing remains completely reluctant, or if the battery is about gone, consider applying 12 volts directly to the starter. Don't touch the starter switch on the tractor when doing this, and the 6volt system will remain isolated from the 12 volts. If you go the 12 volt routine with jumper cables, wear some safety goggles, and don't have stray sparks anywhere NEAR any dripping gasoline or gas fumes!

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