Posted by jdemaris on October 02, 2010 at 08:43:47 from (72.171.0.145):
In Reply to: Bench testing a starter posted by Zachary Hoyt on October 02, 2010 at 07:21:34:
For bench testing, starters are rated by amp draw at free-spin testing, RPMs, and amp draw with armature locked.
It's not something I usually do. If you're used to fooling with them, you can pretty much tell just by how they sound when you hook a battery to them.
VAC usually has an Autolite MZ-4114 6 volt-system starter, made to work properly at 4.5 to 5 volts.
Test as thus: No load - hooked to a good 6 volt batttery - voltage at starter should read 5 volts, RPMs should be 4000, and amperage draw is 68 amperes.
If you lock the starter so it cannot turn, voltage should drop to 2 volts, and amperage draw should jump to 280 amperes. Torque at that time being made is 4.4 foot pounds at the starter-drive.
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 - On the Road with Dave Gohl: Deere Departed Friend - by Dave Gohl. Have you ever had to part with a dear friend? It's not easy. If it's due to death, your feelings could be in disarray for days, months or even years. Even now after almost 4 years, I still miss my dad. I remember when I was a kid my dad sometimes would tuck my brother and I in at night and we would ask him questions about his childhood on the farm. To this day, it's some of the best stories I've ever heard. And now, I'm so glad that I asked those questions, and if I were a little smarter i
... [Read Article]
Latest Ad:
1965 International Harvester McCormick Farmall cub tractor 2,500. Two owner tractor. My grandfather bought new in 1966, then we inherited it. Have all the paperwork original manual and all maintenance records. It starts and moves. Comes with underbelly mower, plough, and some other attachments.
[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.
