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'52 WD - Starter concern |
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beckntrav
Bronze Level Joined: 11 Jul 2013 Location: Nebraska Points: 25 |
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Posted: 25 May 2015 at 9:45pm |
After 25 years, the family WD runs again! Now to work out the bugs and I need help.
Freshly rebuilt starter. The starter engages 2 out of 3 times normally. The other time is makes that horrible gear grinding sound like a loud "clank". So I turn the crank just a hair and it always engages. The flywheel gear has scars all the way around. The starter gear also has chips. I don't know what to try next. Question: does the starter engage with the flywheel ring gear? I'm thinking about ordering one. |
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DaveKamp
Orange Level Access Joined: 12 Apr 2010 Location: LeClaire, Ia Points: 5754 |
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Hee hee... well, at least two out of three times it does... the other times, it goes "Clank-Grind"... Several things cause this, and usually, the conditions work together to make life miserable. First, make sure your battery and cables are in tip-top shape. Poor connections in the circuit, and cables that are rotted deep inside the insulation, and at junctions, will limit current and cause the starter motor to be 'out of breath'... and it won't slap the bendix hard enough to fully seat the teeth. Next, if the bendix is worn, or someone put a heap'a grease on it, it'll be generally bad about kicking in and out. If the starter motor's brushes and commutator are worn, or if the bushings are worn, it'll have bad connection and not carry current well. Finally, the ring gear and pinion wear will only continue to get worse. Since the engine hits a compression stroke every 180 degrees, the crank will USUALLY stop in about the same position every time... about 45 degrees BEFORE a TDC event on one of the cylinders. This means that the starter is always smacking the same two areas of the ring gear every time you crank it. If you look at a ring gear when it's sitting on the bench, you'll see that it's got two areas of lots of wear, and two that are practically untouched. You can do one of two things... first, is replace the ring gear, and the other, if it's not missing entire teeth... is to mark the ring gear and flywheel, knock the ring gear off, and rotate it 90 degrees, and put it back on... then replace the worn pinion on the starter, it'll go another 50+ years happily. |
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Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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beckntrav
Bronze Level Joined: 11 Jul 2013 Location: Nebraska Points: 25 |
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Thank you. I'll start there.
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