Re: Farmall F-20 timing

Posted by Bill Smith on April 24, 2003 at 12:30:50 from (63.147.130.62):

In Reply to: Farmall F-20 timing posted by Andrew on April 21, 2003 at 14:40:31:

The timing marks are located in the hole of clutch housing when at TDC. I have never been able to see those marks. I always find the TDC the old fashioned way. Find the compression stroke of #1 cylinder and then run the piston right up to the top of stroke. Much easier to do with all the plugs out. I just take mag off at this point. Put a wire or nail in (I'm not sure which one) one of the oil ports on the front of mag. You can in-activate the impulse this way. Put the advance all the way down (in the run position). Rotate mag until the points just open on the number one plug. In this postion is how the mag needs to be bolted to tractor. As mentioned by others, you may have to unbolt the coupler thingy mergiger and rotate a hole or two to get everything lined up. After you get mag bolted on, remove the wire or nail from impulse, finish putting tractor together, adjust the spark advance on mag to the start position, and you should be able to crank it up. Ounce it is started, lower the advance to run position. A gasoline engine that is timed correctly should fire slightly before TDC. Since you have a mag with an advance, this would be in the run position.

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