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CA mageto to 12 volt

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Mike Langran

08-27-2001 15:36:44




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I just got this CA and they have kept the magneto and put the distributor cap on it. Would somebody explain how this is done for the 12 volt battery and alternator? Thanks, Mike Langran




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Richard

09-01-2001 14:44:09




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 Re: CA mageto to 12 volt in reply to Mike Langran, 08-27-2001 15:36:44  
Mike;
If i uderstand correctly. They put a distributor and a 12 volt alt? right if so, all u need to do 2 make it work is to put a restriction in the battery wire that goes 2 the + side of the coil 2 cut the volts from 12v to 3 volt.
good luck



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steve

08-27-2001 19:11:13




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 Re: CA mageto to 12 volt in reply to Mike Langran, 08-27-2001 15:36:44  
Mike, like Deuy said the mag is self contained. If you have a distributor it has a point inside and a coil like an old car mounted off the distributor. power wire goes to one of the coil terminals, other terminal goes to the point inside the distributor. You need a battery to make a distributor run, you need no battery to make a magnito work. Do you have a battery alternator question? Your tractor was a 6 volt positive ground system with a generator and external voltage cutout (regulator) when it was new.

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Duey (IA)

08-27-2001 18:06:07




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 Re: CA mageto to 12 volt in reply to Mike Langran, 08-27-2001 15:36:44  
Mike,
The magneto is a self generating ignition system. Inside there is an armature and field magnets just like a generator. The armature/field generates the low voltage required by the internal coil that steps up the voltage for the spark plugs. The coil, points and condenser and rotor are all inside the magneto and operate without any outside wires or voltage. The only wire required is to short out this system to stop the engine. The magneto also has an impulse start mechanism that stops the armature from turning momentarily and then clicks loudly when it lets go. This does two things. One it retards the spark so it does not kick back and two, when it lets go, the armature spins fast enough to generate the low voltage required for getting a spark when hand cranked very slow.
Duey

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