[AT] Project Updates '49 A, '51 A, and '47 B (STEVE ALLEN)

Cecil Bearden crbearden at copper.net
Sun May 10 18:53:17 PDT 2020


or a bad condenser
Cecil

On 5/10/2020 7:55 PM, Phil Auten wrote:
> '49 A: I forgot to mention, if the points measure correctly outside 
> the distributor you may have a bad coil.
>
> Phil in Tx
>
>
> On 5/10/2020 7:00 PM, STEVE ALLEN wrote:
>> OK, two quick updates that I hope will generate more ideas.
>>
>> '51 A:
>> We're finding a lot of loose, rust scale in the tank.  When I say a 
>> "lot," I don't mean the bottom is covered with it,  But, dangling a 
>> flashlight inside, I saw what appeared to be some "stuff" around the 
>> outlet.  So we used magnets on extendable rods, and pulled out a 
>> couple ounces of scale.  Finally, the magnet came out clean.  Ran the 
>> tractor.  More starvation.  Put the magnet back in, more loads of 
>> scale came out.
>>
>> The bottom of the take looks pretty clean, but there are small, dark 
>> patches that I think represent some more or at least places where the 
>> coating (if any) is worn.  did these tanks come with a coating?  
>> Anyway. the fuel flow seems much better as we reduce the amount of 
>> scale in there, but we have more to go.
>>
>> Is there a better cleaning process?  I seem to remember someone 
>> suggesting a powerful magnet near the outlet to catch such crud.  Or 
>> am I remembering something else??
>>
>> '49 A:
>> No spar4k from the mag, either using the plug or, per the manual, a 
>> wire with an 1/8" gap to ground.  No spark either one.  I checked 
>> continuity on the points per Dean.  My meter read .5 Ohms with the 
>> points closed and .7 Ohms with them open (separated by a thin piece 
>> of cardboard).  I seem to have good continuity on the cap; visual 
>> inspection shows no cracks, but will have to check that further.  No 
>> continuity between the interior contacts and the center contact, at 
>> least.  No kill switch or other possible ground through the cap or 
>> the case. Rotor clean and checked for proper continuity:  center 
>> button to contact has continuity; no continuity between center button 
>> and the metal plate inside which touches the shaft.
>>
>> Carl:  I don't quite get what you mean by wiring with a coil 
>> replacing the mag.  Could you explain more?
>>
>> Dean:  used some very fine sand paper on the points to clean them.  
>> .5 Ohms with them closed; .7 Ohms with them open (separated by 
>> cardboard).
>>
>> I have another mag, but it hasn't been used in many years; a new cap 
>> is about $60+ shipped; would prefer not to order unless I am sure the 
>> cap is bad.  Do the Ohm readings on the points suggest a problem?
>>
>> Thanks again, all!
>>
>> The "original" Steve Allen
>> Doing my part to keep the list active.
>>
>> _______________________________________________
>> AT mailing list
>> AT at lists.antique-tractor.com
>> http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com
>>
>
> _______________________________________________
> AT mailing list
> AT at lists.antique-tractor.com
> http://lists.antique-tractor.com/listinfo.cgi/at-antique-tractor.com



More information about the AT mailing list