Farmall H magneto

[mrnecks]

I read the blue ribbon repair specs and still can"t get anything out of the towers on the cap. It seems so simple that I have fire coming out of magneto but can"t get it out of my plug wires correctly. The most I have gotten out so far is a weak spark and it didn"t continue and went to nothing. I am testing it in my vice but have it grounded to the vice so where to look next?

 

[[email protected]]

I would start at the cap. I know there is a difference in height between a mag cap and a distributor cap but I can't tell you if they will snap on in each others place. When you do the cap, do the rotor as well.

 

[pete 23]

Is the center brush in the cap. Is the rotor good and not have a carbon track through it to ground. Mag and batt ign caps are different and won't work.

 

[John M]

How are you grounding it to the vice, although it shouldnt need it?

 

[mrnecks]

I have new rotor and cap but you are the second person to tell me there are different caps. Whats the difference?

 

[mrnecks]

Im just grounding it with a piece of wire, which works fine when I test it straigt out of magneto.

 

[mrnecks]

I put a cap and rotor in it and the other cap I triend wasn't deep enough so the one I bought now matches the one that came off.

 

[pete 23]

Magneto cap has a small brush in center with a spring under it. Battery ign cap has a solid carbon or metal contact. Also, different lug to positon it on housing. I understand from your previous posts that you did internally time it to the R on gear and notch on pinion. When I worked on those mags I had a cut out cap to check clearance from rotor tip to contacts in cap and timing.

 

[greenmech]

Have you tried a new condenser? Ron Mn.

 

[mrnecks]

Mine has the spring under it. What is the clearance supposed to be between cap and rotor? I'm beginning to think my spark is to weak but it looks good on my tester. I installed a new ignition kit but maybe the magnets are getting weak.

 

[teddy52food]

If it has a good spark coming from the coil, it doesn"t need a new condenser. It has a carbon track in the cap or rotor or the gears are not timed right. I wish I had it here.