Rebuilt my starter today
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Postmaster
Joined: Jul 2004
Posts: 3,156
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From: Yuba City, CA.
Rebuilt my starter today
Man, was my motor cranking slow. Went down to the Ol'timer, and he let me help him rebuild my starter. I bought my truck used with 66k, and aparantly somebody had already replaced it with a Nippon-Denso unit. Well Mr.Hamilton said those were a better unit than the Mitsubishi and proceded to tear it apart. My bearings were dang near seized, and 3 of the brushes were bottomed out. We put new bearings on the armature, spot welded new brushes in, and cleaned up the commutator. She cranks over like a top now. $52 parts and labor.
Post Fiend
Joined: Jul 2005
Posts: 14,582
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From: 21791
did you use the commutator lathe and smooth out the commutator? we have a commutator lathe at school, boy is that thing neat. we all took turns machining smooth a commutator from a Delco-Remy 40MT.
Post Fiend
Joined: Feb 2006
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From: Middle Tennessee
Originally Posted by cookie88
Well rats. I mean, great deal for you, but when I saw the title I was kinda hoping to see a step by step with part #'s and maybe a couple of pics. 
BTW Kris, was there anything left of the commutator after the entire class trued her on down?
Post Fiend
Joined: Jul 2005
Posts: 14,582
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From: 21791
Originally Posted by Tenn01PSD350
Same here. That's good info to have. Get it together for a sticky.
BTW Kris, was there anything left of the commutator after the entire class trued her on down?
BTW Kris, was there anything left of the commutator after the entire class trued her on down?
Post Fiend
Joined: Feb 2006
Posts: 11,892
Likes: 2
From: Middle Tennessee
Originally Posted by strokin_it7.3
did you use the commutator lathe and smooth out the commutator? we have a commutator lathe at school, boy is that thing neat. we all took turns machining smooth a commutator from a Delco-Remy 40MT.
You don't even want to know what my shop class was like. I remember trying to spot weld sheet metal patches to teacher's car mufflers to repair leaks. What a joke. I usually started small, and ended up with a big patch. Wasn't about the repair, it was about the welding experience. That sort of thing you know. There were a lot of mufflers replaced too.
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Post Fiend
Joined: Jul 2005
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From: 21791
well, actually i do know how good i have it there, i cherish every day of it. just in case you wanted to see-
http://good-times.webshots.com/album...dRaiTj?start=0
http://good-times.webshots.com/album...dRaiTj?start=0
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Postmaster
Joined: Jul 2004
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From: Yuba City, CA.
No pictures guy's, sorry. But I will tell you that it was easier than I expected.
1. Break Down Motor
1. Break Down Motor
- Take motor end cap off
- Pull brush holder out
- Remove armature, place in padded vise, inspect bearings.
- Remove siezed bearings (in my case)
- chuck up armature in lathe and clean up commutator.
- Install new bearings using arbor press
- Replace brushes. This required cutting off the old one, and grinding down the spot where they were soldered with a dremel tool.
- Using a harbor freight spot welder and silver solder, install new brushes. It helps to have another hand during this procedure.
- Now reverse teardown procedure.
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Joined: Aug 2006
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From: IDAHO
I think my starter may be going out because it takes a few seconds for the starter to really start spinning fast. I already replaced the batteries, so I'll be looking at the starter next. I doubt I'm up for rebuilding the starter, but have replaced a few gas engine starters, is it as straight forward to take off and replace?
Thanks,
Sledneck
Thanks,
Sledneck