Re: McCormick Deering Super W-4 Starting Problems

Posted by Nat on June 15, 2005 at 08:33:11 from (64.80.110.44):

In Reply to: McCormick Deering Super W-4 Starting Problems posted by Bill Carlton on June 15, 2005 at 08:15:18:

This is a perfect opportunity to learn, so unscrew the lid on your brain and prepare to receive...

The starter doesn't work, but that doesn't mean that the starter is bad. There are wires, connectors, and a switch in between the battery and the starter. The juice needs to get to the starter or it won't even turn over.

All the connections need to be shiny, clean and tight. Frayed wires or half-a$$ed connections will not conduct enough electricity to make the starter turn over, but they will conduct enough to allow the spark plugs to fire.

There should be a fat wire going from one terminal on the battery to a bolt on the tractor's frame. That's the ground. The ground is where many/most problems arise. Remember, clean, shiny, and tight.

There should be a fat wire going from the other terminal on the battery to the starter switch. If the starter switch is not mounted directly to the starter, there should be a fat wire running from the starter switch to the starter too.

The starter switch could be bad. This tractor was built in the days before starter solenoids, and the manually-operated switches burned out frequently because a human can't push the switch quickly enough to keep it from sparking and burning the contacts.

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