This site is not affiliated with AGCO Inc., Duluth GA., Allis-Chalmers Co., Milwaukee, WI., or any surviving or related corporate entity. All trademarks remain the property of their respective owners. All information presented herein should be considered the result of an un-moderated public forum with no responsibility for its accuracy or usability assumed by the users and sponsors of this site or any corporate entity.
The Forum Parts and Services Unofficial Allis Store Tractor Shows Serial Numbers History
Forum Home Forum Home > Allis Chalmers > Farm Equipment
  New Posts New Posts
  FAQ FAQ  Forum Search   Events   Register Register  Login Login


F2 Charging System ?

 Post Reply Post Reply
Author
Message
FREEDGUY View Drop Down
Orange Level Access
Orange Level Access
Avatar

Joined: 15 Apr 2017
Location: South West Mich
Points: 5391
Post Options Post Options   Thanks (0) Thanks(0)   Quote FREEDGUY Quote  Post ReplyReply Direct Link To This Post Topic: F2 Charging System ?
    Posted: 17 Nov 2018 at 6:47pm
We survived the corn harvest season with NO mechanical break downs, although there was an issue with human error(mine) resulting in the seperator clutch slipping to the point of plugging the feeder beater. After harvest, the Battery gauge now starts at the "normal" 14 'ish volts and after the engine is running, climbs to 16 volts somewhat quickly but not instantly/ I took the alternator in to our local/trusted shop and it checked out OK. The tech thought the "sensor" wire has a bad connection somewhere between the alt and gauge, which I have verified after re-installation and multi/meter testing. Is there any ONE place you guys have seen an issue pertaining to this circuit? Thanks
Back to Top
Sponsored Links


Back to Top
DougS View Drop Down
Orange Level
Orange Level
Avatar

Joined: 03 Nov 2011
Location: Iowa
Points: 2490
Post Options Post Options   Thanks (0) Thanks(0)   Quote DougS Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 2018 at 7:46pm
What does a real volt meter show at the battery?
Back to Top
MACK View Drop Down
Orange Level
Orange Level


Joined: 17 Nov 2009
Points: 7664
Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 17 Nov 2018 at 9:54pm
I would replace the V regulator in side the alternator for no more than one cost.        MACk
Back to Top
SteveM C/IL View Drop Down
Orange Level Access
Orange Level Access


Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 7907
Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 18 Nov 2018 at 9:24am
Mine did that when the battery was getting bad. New battery fixed it.
Back to Top
FREEDGUY View Drop Down
Orange Level Access
Orange Level Access
Avatar

Joined: 15 Apr 2017
Location: South West Mich
Points: 5391
Post Options Post Options   Thanks (0) Thanks(0)   Quote FREEDGUY Quote  Post ReplyReply Direct Link To This Post Posted: 18 Nov 2018 at 5:12pm
Originally posted by DougS DougS wrote:

What does a real volt meter show at the battery?
 
When the engine is running and the 2 pole connector hooked up to the alternator, 15.8 volts,when I disconnect the "plug", the volts come down to 13.3?
Back to Top
Mikez View Drop Down
Orange Level Access
Orange Level Access
Avatar

Joined: 16 Jan 2013
Location: Usa
Points: 8089
Post Options Post Options   Thanks (0) Thanks(0)   Quote Mikez Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2018 at 8:45am
What engine does the F2 have in it
Back to Top
DougS View Drop Down
Orange Level
Orange Level
Avatar

Joined: 03 Nov 2011
Location: Iowa
Points: 2490
Post Options Post Options   Thanks (0) Thanks(0)   Quote DougS Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2018 at 1:25pm
Originally posted by FREEDGUY FREEDGUY wrote:

Originally posted by DougS DougS wrote:

What does a real volt meter show at the battery?
 
When the engine is running and the 2 pole connector hooked up to the alternator, 15.8 volts,when I disconnect the "plug", the volts come down to 13.3?

13.3 would be about right if measured just after removing the charge source. What is the voltage at the sense input to the alternator or regulator? If this is 15.8 volts, you have a bad regulator. If the is zero or anything much below 15.8, you probably have an open wire or bad connector in the sense circuit.


Edited by DougS - 19 Nov 2018 at 1:27pm
Back to Top
FREEDGUY View Drop Down
Orange Level Access
Orange Level Access
Avatar

Joined: 15 Apr 2017
Location: South West Mich
Points: 5391
Post Options Post Options   Thanks (0) Thanks(0)   Quote FREEDGUY Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2018 at 5:30pm
Mikez, 433T with 2 batteries hooked in series?? 
To Doug, I am unsure how to test what you are asking, LOL!! I  am by no means a "tech" and am really proud of myself for not getting sparks flying doing testing on a running alternator LOL!! When I took the alt in to be checked out, they did put a " jumper" wire in the 2 pronged terminal ??
Back to Top
DougS View Drop Down
Orange Level
Orange Level
Avatar

Joined: 03 Nov 2011
Location: Iowa
Points: 2490
Post Options Post Options   Thanks (0) Thanks(0)   Quote DougS Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2018 at 7:29pm
Someone tell me: Does the F2 alternator use an internal or an external regulator? FREED: Who tested the alternator? I’m on my cell phone right now and I can’t easily go back and read your original post. If you didn’t take the alternator (and regular, if it has an external regular) to an automotive electrical shop, do so. Don’t take it to an automotive parts store for testing.
Back to Top
AC7060IL View Drop Down
Orange Level
Orange Level
Avatar

Joined: 19 Aug 2012
Location: central IL
Points: 3163
Post Options Post Options   Thanks (0) Thanks(0)   Quote AC7060IL Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2018 at 8:05pm
Originally posted by FREEDGUY FREEDGUY wrote:

Mikez, 433T with 2 batteries hooked in series?? 
To Doug, I am unsure how to test what you are asking, LOL!! I  am by no means a "tech" and am really proud of myself for not getting sparks flying doing testing on a running alternator LOL!! When I took the alt in to be checked out, they did put a " jumper" wire in the 2 pronged terminal ??

If your batteries are hooked in SERIES (ground hooks to negative terminal of 1st battery then positive terminal of 1st battery is hooked to negative of 2nd battery & positive of 2nd battery hooked to starter), then they'd be two 6 volt (3 cell caps on each battery) to equal 12 volt that's required.

Or... In most cases two 12 volts are hooked in PARALLEL (negative ground is hooked to both battery's negative terminals & starter's positive is hooked to positives of both batteries. This setup gives a strong 12 volt total.
Back to Top
FREEDGUY View Drop Down
Orange Level Access
Orange Level Access
Avatar

Joined: 15 Apr 2017
Location: South West Mich
Points: 5391
Post Options Post Options   Thanks (0) Thanks(0)   Quote FREEDGUY Quote  Post ReplyReply Direct Link To This Post Posted: 19 Nov 2018 at 9:29pm
7060,they are 12 volt batteries hooked +to+ and -to- so parrallel,my mistake. 
Doug,it was bench tested at a local independent repair shop that specialize in electrical components, thanks. Btw,it was mentioned about battery issue,can a battery be tested? If so,I am very certain we don't have that equipment on hand,LOL!! We've owned the machine for 11 years and I don't recall changing them.
Back to Top
farmboy520 View Drop Down
Orange Level Access
Orange Level Access
Avatar

Joined: 22 Jun 2016
Location: Beason, IL
Points: 553
Post Options Post Options   Thanks (0) Thanks(0)   Quote farmboy520 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Nov 2018 at 6:34am
Unhook the batteries and check the voltage of each battery independently. A good battery can read from 12.7 to 11.5. If you have a battery tester, test each battery with the load switch and see where your voltage is at after that. A weak battery would show up after the load test.
Back to Top
 Post Reply Post Reply
  Share Topic   

Forum Jump Forum Permissions View Drop Down

Forum Software by Web Wiz Forums® version 11.10
Copyright ©2001-2017 Web Wiz Ltd.

This page was generated in 0.066 seconds.


Help Support the
Unofficial Allis Forum