D19 new problem!
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=159289
Printed Date: 20 Jul 2025 at 2:48am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: D19 new problem!
Posted By: SD Allis
Subject: D19 new problem!
Date Posted: 23 Mar 2019 at 4:28pm
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Why would or what causes the generator on the (new to me) D19, to get very HOT.
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Replies:
Posted By: HD6GTOM
Date Posted: 23 Mar 2019 at 7:27pm
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Get it rebuilt before you burn it up.
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Posted By: soggybottomboy
Date Posted: 23 Mar 2019 at 8:03pm
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A low battery can cause a generator or an alternator to get very hot. Try putting a battery charger on the battery for a while.
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Posted By: DrAllis
Date Posted: 23 Mar 2019 at 8:28pm
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Question #1. Is the charging system working? Question #2. If it is working, what is the rate of charge?? should only be 2-3 amps unless you are running the lights. More than 2-3 amps of charge will create more heat. Question #3. How hot is it?? Just because you can't hold your hand on it doesn't automatically mean there is a problem, especially if the charging rate is correct. I suppose the rear bushing could be failing.
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Posted By: DaveKamp
Date Posted: 24 Mar 2019 at 10:57am
Is it making any scary noises? What's your system voltage? Put a voltmeter on it... I don't know all the variations that would've shown up on the D19, but if there's a mechanical regulator on it, and the regulation armature contact is stuck, it might be running full field current, thus... full voltage... but you'd probably experience other very uncomfortable symptoms soon...
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