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Farmall & IHC Tractors Discussion Forum
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Now what do I do? Super C

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cole

03-28-2007 08:27:06




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I bought a Super C the other day, a pretty straight old tractor. It has not been run for a couple of years, they said. I changed the gas, put new point's plug's, condenser, wires, all that stuff. Set the points at .020 . I even changed the old coil just in case. With the switch on, I am getting fire to the coil but not to the plugs. What else could be wrong? I am no mechanic, but, can do the little stuff. Could the whole distrubator be bad? Any suggestions would be greatly appreciated. Thanks

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Roger Mills

03-29-2007 07:30:25




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 Re: Now what do I do? Super C in reply to cole, 03-28-2007 08:27:06  
Might shound like a dumb question, but was the new coil 6V? Try it with the original coil. 12v coil on 6v system ususlly won't fire unles it is from something that used a ballast to drop the 12v down to 6v.



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El Toro

03-28-2007 09:22:44




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 Re: Now what do I do? Super C in reply to cole, 03-28-2007 08:27:06  
You need to make sure the wire connections on the new points are not touching the distributor case.
Run a piece of 320 wet or dry thru the new points,
then take a cotton swab dipped in alcohol and clean the points. Then pull the coil wire from the cap and hold within 1/8-1/4" of a good ground
while someone cranks over the engine with the starter. Be sure the ignition switch is in the on position.

If there's good fire here from the coil wire reconnect the wire to the cap and see if the engine will start. Hal

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old

03-28-2007 09:14:07




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 Re: Now what do I do? Super C in reply to cole, 03-28-2007 08:27:06  
Cap and or rotor could be bad, or it could also be the insulator going into the distubutor and if its bad you will not have spark. With the switch on and the points closed if you open them do you have spark at the points. If you do then probably the cap and rotor are bad. If not then probably the insulator

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glennster

03-28-2007 09:13:20




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 Re: Now what do I do? Super C in reply to cole, 03-28-2007 08:27:06  
pull the distributor cap off and crank the motor over see if the rotor is spinning. if so good. check the cap for moisture, wipe it out good, spray some wd 40 inside the cap and then wire it out to get rid of any water. pull a spark plug, lay it against the motor so the side is grounded, with the plug wire hooked up, crank the motor and see if it sparks. could be bad wires or bad plugs.



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A. Bohemian

03-28-2007 13:26:42




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 How to Build a Watch in reply to glennster, 03-28-2007 09:13:20  
When you pull the switch, without cranking the motor, the ammeter should show a discharge of four amps if the points are closed. My experience with these engines is that if the engine is at rest, the points are almost certainly closed.

If your ammeter doesn"t show such a discharge, pull the distibutor cap and rotor and then the plastic shield inside and visually ascertain that the points are closed.

If the points are closed and you show no discharge, you have an open circuit somewhere in the ignition system.

If the system shows the normal discharge, flick the switch off, rotate the engine until the points are open, and then flick the switch on.

With the points open you should show NO discharge. If you show the same 4 amp discharge with the points open and closed the points are shorted to ground.

As Dell likes to remind us, you should get current flow when the points are closed, and spark when they open. I would STRONGLY suggest you buy a Volt-Ohm-Meter if you don"t already have one. They are very nice to have when working with electrical systems.

One other word of warning; if you"ve never operated a Super C before, you really should buy a manual right now. There are several uncommon lubrication points which novice owners often miss.

Five that come to mind are: (1) the clutch throwout bearing, which is greased with a zerk gun through the access port on the side of the bell housing; (2) the generator, which is lubricated with a few drops of machine oil through a cup; (3) the fan hub, which is lubricated the same way; (4) the starter motor, also lubricated the same way; and (5) the distributor and it"s drive, which are lubricated at two points with a zerk gun. You will probably have a port plug in the distributor housings and will have to temporarily install a zerk fitting there.

Good luck and keep us posted.

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