d 15 seriesII not charging.
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=15610
Printed Date: 04 Feb 2025 at 4:52pm
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Topic: d 15 seriesII not charging.
Posted By: Brian S(NY)
Subject: d 15 seriesII not charging.
Date Posted: 23 Jul 2010 at 7:36pm
It suddenly stopped charging. If it turns out to be the gen. would it be a good idea to change over to alternator? pros and cons...
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God made man.Sam colt made man equal.
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Replies:
Posted By: JoeO(CMO)
Date Posted: 23 Jul 2010 at 7:48pm
Personally, I prefer leaving the generator on it. Take it to a rebuilder and have it fixed, its been on it for 45 years, why change now.
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Posted By: Brian S(NY)
Date Posted: 23 Jul 2010 at 8:25pm
Good Point!
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God made man.Sam colt made man equal.
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Posted By: Tracy Martin TN
Date Posted: 23 Jul 2010 at 9:56pm
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I would tap the regulator. Sometimes points will stick. Worth a try. HTH Tracy Martin
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Posted By: firebrick43
Date Posted: 24 Jul 2010 at 12:23am
I have mixed emotions about alternators and generators. Typically if you leave the tractor original, ie don't add a lot of lights or electrical draw, I will rebuild the generator. They are cheap and easy to rebuild if you get a kit. It should have bearings and brushes, rarely to they need turned and the mica cut but some times they do. Now this is on the generators with a regulator. One big reason I like a generator on a tractor is alternators don't tolerate sitting in the weather very well as they are not sealed up. Most of these tractors expose the alternator/generator to the elements. If the hood covers the alternator well as later tractors and car do, or you have high loads, or store indoors all the time and never let it set out then I prefer an alternator. Also cost is a big consideration.
If you do good electrical work, converting a tractor from 6 volt to 12 volt is much cheaper to go with an delco 10si alternator than rewind a generator. Hell its typically cheaper than having a shop rebuild a 12v generator and buying a new regulator. Just please don't get a 1 wire alternator, their lousy and don't charge well at low rpms.
The hooky set up that allis did with the light switch/cut out generators on the early tractors deserves an alternator as its to easy to run down or overcharge a battery if you are not paying attention.
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Posted By: Brian Jasper co. Ia
Date Posted: 24 Jul 2010 at 1:03pm
You can pop the cover off the regulator and look at the points. Sometimes simply touching up the points is all it takes to make one work again. Make sure you don't have a broken wire. 50+ year old wiring can be problematic.
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"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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