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Cleaning the starter?????

R

rjc2rjc

Member
Okay so I went and got me som electrical cleaner. I think it was
Called CRC or CSR something like that. It was from rule king.
It works really well I think. My question is. In the pic you can see the darker towards the top of the winding. At least that's what I think they are called. No matter how much cleaner I put on it won't come off. Should I sand this off or does it look clean enough. Thanks again for the help.
 
what are you trying to clean? The windings are
coated wire to insulate. Don't be sanding on the
windings. The commutator where the brushes run
needs to be clean. Nothing else.
 
(quoted from post at 18:14:07 02/05/15) Okay so I went and got me som electrical cleaner. I think it was
Called CRC or CSR something like that. It was from rule king.
It works really well I think. My question is. In the pic you can see the darker towards the top of the winding. At least that's what I think they are called. No matter how much cleaner I put on it won't come off. Should I sand this off or does it look clean enough. Thanks again for the help.
Click to expand...

mvphoto15968.jpg
 
that would be a armature in the picture, and the
dark spot looks as though it could be rubbing on the
pole shoes ( pole shoes are what secure the field
winding to the starter case ) if that is the case
then the front and/or the center bushing ( if so
equipped ) are worn and the armature shaft may also
be worn.
 
would the fact that the starter drive looks as if it has been bent for a good bit have caused what your talking about. If you look in the background you will see it. the thick coil had been over twisted it appeared. it looked as if it had been that way for some time cause you could see shiny metal from the fresh break and the other part looked like it had been broke for some time. Like only a small section of metal had been attached for a long time.
 
I agree the armature is rubbing on the pole shoes. Your bushings are worn out. If the end plate has a bushing you are in luck. Many of those did not have a bushing and then you need a different end plate (end with brushs). If you could find a new one it would cost as much as a starter. I see the key is still in the armature and no center bearing is visible so that means you do not have a center bearing or you would have to take key out to get it off armature. I have the drive end machined for a center bushing when they don't have one. When a starter is engaged, the armature is pulled toward the pole shoes. If it touches the starter will drag heavily. In fact, a center bearing in those is as much help as heavy cables and good battery.
 
I forgot to say, with a good center bearing you don't need a really good brush end bearing but still want a good bushing in drive end.
 
as you can see it was twisted pretty good. looked to have been that way for some time. you are correct in that there are no bushings on either end.
 
Have you checked both of the pole shoes---that they are tight to the frame? Ran across a starter that had a loose pole once.
I believe they are secured by 2 screws.
 
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