[AT] "After Tractor is running" questions.

[Ben Wagner]

  On 10/8/2010 9:08 PM, Claude Kyker wrote:
> Sounds to me like the generator is wired directly to the battery and is
> keeping it charged but does not show on the amp meter.  The light are wired
> through the amp meter and that is the load that the amp meter shows.  Does
> the amp meter show charging when the lights are off?
>
> Claude
> East TN
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com
> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Ben Wagner
> Sent: Friday, October 08, 2010 6:58 PM
> To: Antique tractor email discussion group
> Subject: Re: [AT] "After Tractor is running" questions.
>
>    On 10/8/2010 5:07 PM, Dean Vinson wrote:
>> Ben, I can't add to Mike's good comments on the hydraulics and
>> throttle lever, but I recommend you very carefully inspect all your
>> wiring to make sure it's hooked p correctly and to look for places
>> where the insulation could be worn through and allowing the wire to
>> short to ground or to some other wire.  (Bob Melville's wiring
>> diagrams may help--can't recall if we've talked about them before.
>> Check out
>> http://s101.photobucket.com/albums/m46/farmallbob/Farmall%20Tractor%20
>> Wiring
>> %20Diagrams/ if you need them.)
>>
>> I wouldn't expect the lights to draw enough current to make the
>> ammeter show full discharge regardless of what the generator is or
>> isn't doing.  I don't know what kind or how many lights are on your
>> tractor, but assuming they're about the same as on M series tractors
>> I'd expect the lights alone to pull maybe 5 or 8 amps.  But full
>> discharge, as in around 20 amps?  I don't see how that can be coming from
> the lights alone.
>> I also don't see how the generator couldn't keep up with the lights if
>> it's able to keep the battery charged.  If the generator is working
>> that well, I'd expect the ammeter to show zero or very close with the
>> engine running and lights on--meaning the generator is powering the
>> lights rather than making the battery do it.
>>
>> So, if the generator is keeping the battery up but somehow can't come
>> close to keeping up with the lighting load, and the lighting load
>> sounds too high to begin with, I have to think there's something other
>> than lights pulling that high current.  Must be a short somewhere.
>>
>> Dean Vinson
>> Dayton, Ohio
>> www.vinsonfarm.net
>>
>> -----Original Message-----
>> From: at-bounces at lists.antique-tractor.com
>> [mailto:at-bounces at lists.antique-tractor.com] On Behalf Of Ben Wagner
>> Sent: Friday, October 08, 2010 10:09 AM
>> To: At; Farmall/IHC mailing list
>> Subject: [AT] "After Tractor is running" questions.
>>
>>     Just so you know, I am not familiar with Farmall Super A's working
>> like they are supposed to.
>>
>> That being said in the open now, I will show you a couple of
>> observations that I have seen while driving the Super A.  What I need
>> to know is whether these are normal or abnormal and what is wrong if
>> they are abnormal.
>>
>> 1- When I work the hydraulics, engine full throttle, the tractor acts
>> like I have overloaded the engine.  It struggles and gasps.  I was
>> wondering if this was related to the air that was trapped in the lines
>> (stupid mistake that I did) or maybe something else.  Maybe this is a
>> normal phenomenon, but I am seriously wondering if, since the engine
>> struggles moving the hydraulics when the hydraulics are not loaded,
>> the tractor will be able to lift the snowblade.  Speaking of
>> snowblades, I have some questions about it too, but I will send them a
>> little later after I fiddle with the snowblade itself.
>>
>> 2- When the lights are one, what should the ammeter say?  My ammeter
>> shows full discharge.  Does this mean the battery is running the
>> lights?  The generator does charge the battery, so I know it works.
>>
>> 3- I have to hold the throttle lever to keep the engine in full
>> throttle, otherwise the lever returns to about a high idle.  I
>> hesitate to ask this, because I am thinking this is a result of the
>> worn teeth of the quadrant, but I want to make sure something isn't
> adjusted wrong.
>> Thanks for your help.
>>
>> Ben Wagner
>>
>>
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> Well, there could be a short.  I am just wondering if the lights are being
> powered by the genny, but the ammeter is confused because my wiring is
> simply confused...  and you are right, the lights are the same as on the
> M's.
>
> I may have confused you, though, now that I think about it.  When I said
> full discharge, I meant that that ammeter looks the same as if I turn on the
> lights when the tractor is not running.  So the discharge is not more than
> normal... and I am sorry that I confused you.
>
> Is there any way that I could have screwed with the wiring enough to allow
> the genny to power the lights, but the ammeter to think that the battery is
> powering the lights?
>
> Ben Wagner
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Yes, the ammeter shows charging when the switch is on High Charge.

Ben Wagner