Stuck brush in the starter again.Idea needed


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Techdude2000
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Re: Stuck brush in the starter again.Idea needed

Post by Techdude2000 » Tue Feb 20, 2018 8:55 pm



The acid in Coke and a few other brown colas are bad for us, especially women. My mother’s doctor told her she should never drink any kind of cola because the acid softens the calcium in her bones adding to brittle bone disease. It works great on tires, they shine like new by just wiping it on them.



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virgilmobile
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Re: Stuck brush in the starter again.Idea needed

Post by virgilmobile » Wed Feb 21, 2018 11:55 am

redbug wrote:
Tue Feb 20, 2018 8:37 pm
How's the starter gumbo doing?
As any good cook...it's all in the prep.
I'm letting it marinate for a day..I'll cook it tonight.

gervais
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Re: Stuck brush in the starter again.Idea needed

Post by gervais » Wed Feb 21, 2018 12:46 pm

well
i must say at first i was,,,septic for a time,
when i came back in the garage,picked the calipers and scrub them with the tootbrush,,i could not beleive
it !
man thats corrosive.

when i was young my father used to park his plymouth 52 under some trees,the next morning when he came to start it he has so much depot on his windshield,,he drop some Coke and man it was clear after that,

when i reassemble the starter i used some Yamabound too "seal" the starter and it worked.

gervais

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redbug
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Re: Stuck brush in the starter again.Idea needed

Post by redbug » Wed Feb 21, 2018 5:06 pm

virgilmobile wrote:
Wed Feb 21, 2018 11:55 am
redbug wrote:
Tue Feb 20, 2018 8:37 pm
How's the starter gumbo doing?
As any good cook...it's all in the prep.
I'm letting it marinate for a day..I'll cook it tonight.
Easy on the cayenne ...
" Ridin on Tulsa Time "

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Bluewaterhooker0
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Re: Stuck brush in the starter again.Idea needed

Post by Bluewaterhooker0 » Wed Feb 21, 2018 10:21 pm

My vote for anti-corrosion coating has always been Corrosion-X. I used it for years on boats. Then in my air conditioning business. There are 2 versions. The RED can that stays fluid, and the BLUE HD version that sets up into more of a solid coating, or grease like coat. Red would be the choice here. Each of your brushes seem to be wired individually, so any possible insulative properties of the coating shouldn't be an issue.

https://www.amazon.com/Corrosion-X-9010 ... orrosion-x

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virgilmobile
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Re: Stuck brush in the starter again.Idea needed

Post by virgilmobile » Thu Feb 22, 2018 10:44 am

I don't have a problem using a corrosion inhibitor coating...However...There's just one drawback..
One brush stuck in it's holder...
If I clean it and coat with this stuff I'm concerned that normal brush movement will simply remove the coating and expose the metal to moisture again the rust..seizing he brush again...This is the 3rd time at this problem..
I believe that OEM starters do not coat these pieces as there is no moisture to attack them..
I must get the moisture out then seal it back up.

Obvious rusting
Obvious rusting


My merinating
My merinating


gervais
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Re: Stuck brush in the starter again.Idea needed

Post by gervais » Thu Feb 22, 2018 10:52 am

Dont drop the stator and rotor into liquid,,,,,,,,,,,
they will NOT like that at all.

i would not apply any grease or oil at the "brush slide area" ,,they are supposed to be as dry as possible ,when they are used they will
produced a powder and if you have any grease then it will become like a "glue" on their place and they will no more apply pressure at the rotor.

when i rebuilt mine i clean it and let her dry as possible EXCEPT the bearing at each end where i put some Wynns Syntech grease but JUST a little bit

Gef

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virgilmobile
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Re: Stuck brush in the starter again.Idea needed

Post by virgilmobile » Thu Feb 22, 2018 11:51 am

Yes.Before final assembly I will verify that everything is decontaminated,dry,moisture free and clean.I don't want any oil residue anywhere around the brushes.
I don't intend baking the bearings but I will inspect and replace if necessary.
I'm trying to make this a "once and done"repair.

gervais
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Re: Stuck brush in the starter again.Idea needed

Post by gervais » Thu Feb 22, 2018 12:49 pm

Bearings are super important,buy Japan made or US if available but NOT the Chinese crap:too important.

i used metal sand paper to just clean sligtly the point of contact of the brushes on the rotor and also the rotor,clean with a very small screewdriver betweens the craks on the rotor..gently ,,

i never use Brake Cleaner too clean parts,,it gets the parts to dry often,,i used specialised cleaner for parts .

Gef

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virgilmobile
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Re: Stuck brush in the starter again.Idea needed

Post by virgilmobile » Thu Feb 22, 2018 1:43 pm

Yup.been there in my past.I've resurrected my fair share of electric rotating devices in a multitude of styles.Everywhere from tiny servo motors to the center pivot irrigation systems.
I am keenly aware of the need for quality parts.
I do use the proper chemicals and methods to restore parts to OEM standards or better.
This project is just something I've never delt with before..Reacuring rust inside a sealed unit.

It was a shot in the dark even thinking I could restore my bike after it set 6 foot submersed in muddy flood water for 2 days and then 4 months before I worked on it.
If the starter is the only thing causing me trouble after a year and a half of riding.. I'll call myself very fortunate.

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redbug
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Re: Stuck brush in the starter again.Idea needed

Post by redbug » Thu Feb 22, 2018 7:18 pm

Virgilmobile, do you need some new starter brush springs, have a handful of new ones I will throw in the mail for you while the starter gumbo is in the oven I also have a new four brush holder out of one of the hot rod 1100 starters, Im a thinkin that maybe one of the holders you could replace, dirll the brads out and install a holder from this one I have.
" Ridin on Tulsa Time "

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virgilmobile
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Re: Stuck brush in the starter again.Idea needed

Post by virgilmobile » Thu Feb 22, 2018 8:19 pm

I'll know in a few hours.Gettin ready to cook this evening.Ill do a final inspection of the brushes and let you know.No hurry here.Gonna rain all weekend anyways.

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virgilmobile
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Re: Stuck brush in the starter again.Idea needed

Post by virgilmobile » Sun Feb 25, 2018 2:46 pm

I'm done..Prefectly dried and decontaminated..Replaced both case seals too.Everything just slipped back together and cranked right up.Time will tell but I don't believe I'll ever have to pull the starter again.

As I pulled it apart.Lots of rust.
As I pulled it apart.Lots of rust.


After the cleaning
After the cleaning


Getting the dish ready
Getting the dish ready


Covered and in the oven for a hour at 200°
Covered and in the oven for a hour at 200°


24 hours later.Ready for assembly
24 hours later.Ready for assembly


Half way assembled
Half way assembled




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Re: Stuck brush in the starter again.Idea needed

Post by Aussie81Interstate » Sun Feb 25, 2018 3:39 pm

Nice job Virgil,

Hopefully you will never need to touch it again - but maybe some new brushes in the future :)



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