Posted by madcat_1212 on June 19, 2018 at 02:54:40 from (47.54.217.227):
Hi All,
I am new to the forums as a poster, but have been lurking around for a while.
I have been troubleshooting a generator issue with my 1958 Farmall 460 diesel and am hoping that someone can weigh in on what they think the issue may be. The tractor is not charging and the batteries will die out on it periodically. Here is the outline of things I have done so far.
1) Bench tested generator off of tractor using the motor test. Connected negative battery cable to case of generator and positive battery cable to A terminal. Generator spins freely.
2) Performed the same test with the F field grounded to the case. This slowed the rotation of the generator.
3) I removed both leads on generator and started the tractor. I warmed it up and then tested the voltage at different engine speeds. Seems to increase from 1.5V to 3.5V with engine speed.
4) With both leads still off generator, I connected the A post to the F post with alligator clips. The voltage between the A post and the ground of the generator still varied between 1.5V to 3.5V. I was expecting the output voltage to be higher than this.
5) With both leads connected to the voltage regulator, the voltage output seems to be even lower, ranging from .2V to 1V.
Does this indicate that the generator may be failing? In one of the troubleshooting guides I read, it seemed to indicate that it could be faulty field coils?
We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]
Today's Featured Article - The Revival of a John Deere Combine - by The Red, John Fritz. For several years I had been driving by a farm house on the west side of Indianapolis that had a John Deere combine parked in high weeds in a lot behind the house. The gentleman no longer farmed because the entire area was developed with housing and light industry. I had stopped several times and knocked on the door but no one would answer. My curiosity was up and I wanted to contact the owner. I wanted to see what he planned to do with the combine.
... [Read Article]
Latest Ad:
For sale Farmall super A tractor is complete and has just been setting for awhile,it was running when pulled out of the barn,shouldn’t take to much to get it going asking 1100.00
[More Ads]
All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy
TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.
