[AT] Starter motor: troubleshooting?

[william.neff.powell at comcast.net]

Along with the great suggestions from Mike, I would make sure your battery is good... Do you have another battery you could swap in that you know works before you take the starter apart? 

Most of my starting problems happen with weak batteries...

Regards,

Will Powell
 -------------- Original message ----------------------
From: Mike Sloane <mikesloane at verizon.net>
> "Getting electricity" doesn't always mean you are getting the 100+ amps 
> you need to turn a starting motor. You need to have near perfect 
> connections on both the "hot" side and the ground side. As has been 
> suggested in the past, check you battery post connections and all of the 
> ground connections - they all need to be bright and shiny and tight. 
> Feel the wires and connections after you try to start - if they are warm 
>    or hot, you could have a corroded cable that is creating high 
> resistance (look for bulges in the insulation - a sure sign of 
> corrosion). This is more critical in a 6 volt system than a 12 volt system.
> 
>   One thing you can do is remove the starter and put in on the bench and 
> see if it spins with jumper cables from your car/truck battery. It 
> should just about jump off the bench when you hook it up. If it doesn't, 
> or just motors over quietly, then you need to look at the brushes or 
> commutator. If it does jump, then you need to look at the tractor's 
> wiring. If you do have it apart, you might want to look at the front 
> bushing - that is a weak item on those starters and is cheap and 
> relatively easy to replace.
> 
> Mike
> 
> Dean Vinson wrote:
> > Spent a nice day yesterday cleaning up the M and tinkering with the fuel
> > sediment bowl, and just now went to put the tractor back inside.   No
> > response from the starter.  I confirmed it's getting electricity when I
> > press the starter button, but no movement, no sound, nothing.  I haven't had
> > the tractor long but have never previously had trouble with the starter.  
> > 
> > My plan is to take it off, look at it, try to rotate it by hand, and see if
> > anything occurs to me.  Any suggestions on where to look?
> > 
> > Dean Vinson
> > Dayton, Ohio
> > www.vinsonfarm.net
> > 
> > 
> > _______________________________________________
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> > Remembering Our Friend Cecil Monson 11-4-2005
> > http://www.antique-tractor.com/mailman/listinfo/at
> > 
> > 
> 
> -- 
> Mike Sloane
> Allamuchy NJ
> <mikesloane at verizon.net>
> Website: <www.geocities.com/mikesloane>
> Images: <www.fotki.com/mikesloane>
> 
> War is so unjust and ugly that all who wage it must try to
> stifle the voice of conscience within themselves.
> -Leo Tolstoy, novelist and philosopher (1828-1910)
> 
> 
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