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Starter problems and questions

Posted: Fri Oct 17, 2025 10:54 pm
by Dennis_Brown
Found my bendix cover screw but that is minor. Removed the starter this evening and found problems.
Both locks were in place on the bendix bolts but both bolts were loose. With the drive collar bolt loose it allowed for wear on the woodruff key and in time would have sheared the key and bolt tip.
The inside of the starter is very oiled soaked. Brushes look good and the commutator needs to be polished and mice undercut.
The main problem is the terminal stud is loose on the windings. Appears from the splotches of solder by it, someone tried to solder it with a soldering gun. Looks like I will have remove the windings and clean and polish everything up good then heat up my big iron with a torch and resolver it.
Now my other question. To try to slow the oil leaking in without removing the bushings which have no play and cutting the one off and installing a seal, can the end of the bushing that rubs against the inside face of the armature be chamfered and an o-ring installed there. To me it is worth a try.
Since we moved here I have not found some of my tools and readers of my spare starters and a lot of other parts and things or maybe my memories clutch is slipping as to what they were packed in 12 to 15 years ago. Just not enough shelf space to put everything out where I would see it occasionally.

Re: Starter problems and questions

Posted: Fri Oct 17, 2025 11:46 pm
by speedytinc
Do not undercut the mica. Not done to starters. That will ruin that armature.
Seal - best to remove, shorten & add a properly sized lip seal.
If you dont have the skills, send to a rebuilder as a core for a rebuilt unit.

Re: Starter problems and questions

Posted: Wed Oct 22, 2025 9:11 am
by AdminJeff
Dennis_Brown wrote:
Fri Oct 17, 2025 10:54 pm
....armature be chamfered and an o-ring installed there. To me it is worth a try.
Why waste any time on trying this when it may work initially but will ultimately fail? You already have the starter apart. We solved oil leaks in starters years ago with the seal. Do it once and be done with it. Heck, I'll give you a seal and a new post!

Jeff

Re: Starter problems and questions

Posted: Wed Oct 22, 2025 12:07 pm
by big2bird
What is the part # of that seal?

Re: Starter problems and questions

Posted: Wed Oct 22, 2025 12:31 pm
by jsaylor
You can get the seal or a complete bushing with seal from most Parts venders - Chaffins or Langs.

Re: Starter problems and questions

Posted: Wed Oct 22, 2025 1:46 pm
by AdminJeff
big2bird wrote:
Wed Oct 22, 2025 12:07 pm
What is the part # of that seal?
CR6595. I have 1000 of them.

Re: Starter problems and questions

Posted: Wed Oct 22, 2025 3:32 pm
by mtntee20
Send it to Admin Jeff, get a rebuilt from him and BE DONE with it. Take comfort in knowing it's DONE and DONE RIGHT with Jeff's guarantee.