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d17 charging 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=21258
Printed Date: 11 Feb 2025 at 10:11pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: d17 charging problem
Posted By: vyvyjim
Subject: d17 charging problem
Date Posted: 23 Nov 2010 at 5:14pm
I bought a series IV D17 in August. The amp meter was nonfunctioning.  I installed a new one and the needle whips back and forth at high speed.  Is this likely to be the generator? or the control unit or?



Replies:
Posted By: Brian Jasper co. Ia
Date Posted: 23 Nov 2010 at 8:46pm
How do you know the ammeter wasn't working? Were you having to charge the battery? Did it show discharge with the headlights on and engine off? Whipping could be caused by a faulty regulator or poor connection.

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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


Posted By: JC-WI
Date Posted: 23 Nov 2010 at 10:38pm
Poor sticky contacts in regulator could cause the whipping action. Disconnect battery, then Take cover off regulator. Be careful in keeping things clean. take a point file or sand paper and clean the contacts. then run a clean sheet of paper through to remove any crud left behind by sand paper and then see if that helped.


Posted By: DonDittmar
Date Posted: 24 Nov 2010 at 7:32am
Originally posted by JC(WI) JC(WI) wrote:

Poor sticky contacts in regulator could cause the whipping action. Disconnect battery, then Take cover off regulator. Be careful in keeping things clean. take a point file or sand paper and clean the contacts. then run a clean sheet of paper through to remove any crud left behind by sand paper and then see if that helped.
Never thought of the clean sheet of paper trick. I always blew them off with compressed air. Nice Tip, I will have to remember that one

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Experience is a fancy name for past mistakes. "Great moments are born from great opportunity"

1968 D15D,1962 D19D
Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start



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