Welcome! Please use the navigational links to explore our website.
PartsASAP LogoCompany Logo (800) 853-2651

Shop Now

   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver

Attention Forum Users: On the 28th of December 2023 at 9:00am Central Time, we will be taking the forums down for maintenance while we prepare the new forums for your use. Please click here for more information.

Minneapolis Moline Tractors Discussion Forum
:

UB Generator Wiring

Welcome Guest, Log in or Register
Author 
John UB

05-20-2004 12:18:00




Report to Moderator

Hello,

I'm trying to get my UB ready for a local plow day and need to hook up a new generator I purchased. The old one was never hooked up, so I'm not sure how to do it.

Can somebody tell me what wire goes where? I believe the field wire on the regulator goes to the field post on the generator, but after that I'm lost.

Thanks for all your help!

John




[Log in to Reply]   [No Email]
Tim

05-21-2004 09:13:08




Report to Moderator
 Re: UB Generator Wiring in reply to John UB, 05-20-2004 12:18:00  
John,

I also have a UB. Although mine is a UBE. It pulls like an ox.

Here is a link to something that helped me even though it is for a green and yellow tractor. My brother has a JD40.

Link

Let me know if it helps.

Tim



[Log in to Reply]  [No Email]
John UB

05-21-2004 09:31:12




Report to Moderator
 Re: Re: UB Generator Wiring in reply to Tim, 05-21-2004 09:13:08  
Tim,

Thank you for the link. I think between everybodies comments and your sketch, I should be able to figure it out.

Thank you everyone for the help!

John



[Log in to Reply]  [No Email]
Kelvin

05-20-2004 19:44:52




Report to Moderator
 Re: UB Generator Wiring in reply to John UB, 05-20-2004 12:18:00  
Word pictures are hard, but here goes:

Yes, a wire goes from 'F' terminal on the regualator to the 'F' terminal on the generator

your regulator is a 'saddle' type, right?-It mounts on the generator itself. If so, There should be a terminal on the bottom that connects to the armature post on the generator.(sometimes marked "A").

A wire from the 'Bat' post on the regulator goes to the ammeter. (It usually works right if you hook to side opposite the +). Two wires come off the other side of the ammeter. One goes to the starter push button, the other goes to the same post on the starter solenoid that the NEGATIVE battery post is hooked to. (The system is positive ground.)

The reason the starter button is powered like this is that it can pull 40amps or more when engaging the solenoid and it would peg a 30 amp gauge otherwise.

A wire from the 'L' terminal on the regulator goes to the 'BAT' terminal on the 5-position ignition switch.

A wire from the 'IGN' on that switch goes to the coil +.

For the lights, you're on your own. I usually have to poke around with a test light until I figure out how the resistors work.

Don't forget to polarize the generator. I can't remember which posts to cross with a wire, though.

[Log in to Reply]  [No Email]
Polarizing generator

05-21-2004 05:22:42




Report to Moderator
 Re: Re: UB Generator Wiring in reply to Kelvin, 05-20-2004 19:44:52  
After making sure your wiring is correct per Kelvin's instructions, polarize the generator (actually, it is polarizing the regulator), by MOMENTARILY shorting a piece of wire between the 'batt' terminal on the regulator to the 'gen' or armature terminal of the regulator. As you pull the wire away after the momentary short, there should be a little spark. This is normal and indicates that you've properly polarized the generator.

Be sure to avoid touching the 12 volts from the 'batt' terminal to the 'field' terminal of the regulator or your regulator will be toasted.

[Log in to Reply]  [No Email]
John UB

05-21-2004 05:21:42




Report to Moderator
 Re: Re: UB Generator Wiring in reply to Kelvin, 05-20-2004 19:44:52  
Kelvin,

Thank you for responding. My regulator is a saddle type, but I think I only have three posts on the regulator. They are L, BATT, and F. The system is positive ground.

Thanks again for your help and it should get me going.

John



[Log in to Reply]  [No Email]
[Options]  [Printer Friendly]  [Posting Help]  [Return to Forum]   [Log in to Reply]

Hop to:


TRACTOR PARTS TRACTOR MANUALS
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 ]

Home  |  Forums


Copyright © 1997-2023 Yesterday's Tractor Co.

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.

Yesterday's Tractors - Antique Tractor Headquarters

Website Accessibility Policy