[AT] New to me

Cecil Bearden crbearden at copper.net
Mon Sep 19 05:42:05 PDT 2022 

https://www.mcmaster.com/threaded-rods/thread-size~3-8-16/material~steel/threading~threaded-on-both-ends/

Cecil






On 9/18/2022 10:02 PM, Spencer Yost wrote:
> Thanks John.   It was tricky to find it.
>
> The Allis is going down with a fight.  As you may remember, this 
> tractor had an all fuel manifold. In addition that manifold was in 
> absolutely horrible shape. It’s the worst manifold I’ve ever seen I’m 
> pretty sure.  Was glad the seller had a new repo gas  manifold that 
> came with the tractor.
>
> The manifold studs that I was so very careful to extract and clean up 
> turn out not to be long enough(4 of them anyways) for the new gas 
> manifold that came with the tractor.  So I had to buy longer studs.
>
> Finding studs that weren’t a $50 kit from an eBay seller actually 
> turned out to be a lot harder than I thought. I eventually found some 
> but if you ever run across some 3/8–16 studs in the 3 to 5 inch length 
> grab them and keep them because one day soon they will be extinct.
>
> Spencer
>
> Sent from my iPhone
>
>> On Sep 18, 2022, at 8:55 AM, John Hall <jtchall at nc.rr.com> wrote:
>>
>> Good find!! I've ran into internal wiring bad on those as well as 
>> the insulators  for models like you have with a kill switch through 
>> the side. Fortunately we have a machine to test them on so I can 
>> "run" the magneto without the cap and look to see if any internal 
>> sparking going on. Even then it can drive you nuts. Sometimes you can 
>> unhook the coil and condenser and just play around with a meter 
>> looking for continuity, but if its not grounded and just "leaking or 
>> jumping an arc, you'll never find it. FYI if you are having to bench 
>> test, I normally put a small adjustable wrench on the drive lug, 
>> turning mags by hand gets old real quick!!
>>
>> John Hall
>>
>> On 9/17/2022 10:58 AM, Spencer Yost wrote:
>>> Just a quick update. If you remember, I couldn’t get a spark from 
>>> magneto at a spark plug terminal. I was getting a great spark at the 
>>> coil so it wasn’t the points or the coil.
>>>
>>> The mag did not yield to my persistence easily.  The problem did 
>>> turn out to be in the inner base. Thanks to Brice’s patient 
>>> consulting and many different tests I ultimately found that I could 
>>> create a spark at a test rod placed through the base to the coil 
>>> when  the base was in place but not tightened down.  But if I 
>>> tightened the base down the spark would be very weak and 
>>> intermittent.  Started looking all around and eventually found this. 
>>> It’s a crack in the kill switch wire Apparently the base would push 
>>> the wire close enough to ground to eat or share  the spark (leaving 
>>> my test spark weak and intermittent) when tightened but not when the 
>>> base was simply “in place”.  Leaving the kill switch wire 
>>> disconnected and tucked out of the way the magneto worked great.
>>>
>>> By the way, the crack was never visible. It was on the bottom of the 
>>> wire.  When I disconnected it from the points post and lifted it up 
>>> I was able to see it. The act of lifting it up widened it quite a 
>>> bit. The crack was not originally this gaping canyon you see here. 
>>>  Insulation had completely fossilized.
>>>
>>>
>>> To give you an idea how long it took me to figure this out, let me 
>>> just say that I actually sprained a finger from tripping the impulse 
>>> so much.  (-:
>>>
>>> Spencer
>>>
>>>
>>>
>>> Sent from my iPhone
>>>
>>>> On Sep 12, 2022, at 4:52 PM, John Hall <jtchall at nc.rr.com> wrote:
>>>>
>>>> I'm sure an AC C is a money pit about anywhere in NC. If it 
>>>> weren't for collectors, you couldn't give an old small Deere away. 
>>>> The IH offset models still seem to be holding fairly strong prices 
>>>> if they are in decent shape with fast hitch due to so many still 
>>>> being used by gardeners.
>>>>
>>>> I've got a 44 DC Case I pull wagons with. Fires up instantly in any 
>>>> weather. Doesn't use oil or leak antifreeze. Looks horrible, tires 
>>>> are rough. I bet I couldn't get $800 for it. Now if it were an 
>>>> Farmall H or M, probably worth 1/2 again more.
>>>>
>>>> I think a LOT of pre 1960 tractors are to the point it costs way 
>>>> more to keep them in great shape than they will ever sell for. I've 
>>>> got 2 Super A's that are needing tires. I use the tractors so I 
>>>> won't hesitate to replace the tires when needed as I don't really 
>>>> care what the tractors would sell for.
>>>>
>>>> John Hall
>>>>
>>>>
>>>>> On 9/11/2022 11:56 PM, Spencer Yost wrote:
>>>>> Thanks.  Based on experience and my thumb I feel pretty confident 
>>>>> it should at least pop off. Once I get it popping off I’ll do the 
>>>>> leak down test.
>>>>>
>>>>> I’m actually not sure what I’m gonna do with this tractor.  This 
>>>>> is Farmall/IH country. And like the rest of the US, tractors this 
>>>>> old just aren’t generating much interest.  So based on these two 
>>>>> facts I’m not sure I can even find anyone locally that’s 
>>>>> interested in doing the final cleaning, gasket replacement and 
>>>>> cosmetic restoration.  And like the dog analogy, I’m not sure if 
>>>>> I’ll find a better home for it or I’ll just keep it as a companion 
>>>>> for joy rides.
>>>>>
>>>>> Maybe it will pull the tedder when I do hay.   But the Pacer might 
>>>>> get jealous (-:
>>>>>
>>>>> Spencer
>>>>>
>>>>> Sent from my iPhone
>>>>>
>>>>>>> On Sep 11, 2022, at 10:23 PM, John Hall <jtchall at nc.rr.com> wrote:
>>>>>> On magnetos I just say the heck with it and replace all the 
>>>>>> usual suspects that cause trouble. Standard Magneto is still 
>>>>>> probably the best and cheapest source of parts.
>>>>>>
>>>>>> One thing I've started using is a leak down tester, got mine from 
>>>>>> Harbor Freight.  I will say you gotta watch the starting crank 
>>>>>> when using it, best to have 2 people I've found.
>>>>>>
>>>>>> John Hall
>>>>>>
>>>>>>
>>>>>>> On 9/11/2022 9:38 PM, Spencer Yost wrote:
>>>>>>> I’ve been pretty quiet. I thought life would get less busy as I 
>>>>>>> got older but it hasn’t really turned out that way.
>>>>>>>
>>>>>>> I did manage to score a new (to me) tractor. It’s an Allis 
>>>>>>> Chalmers ‘C’; 1947.  I didn’t really intend to get it, but it 
>>>>>>> was sort of like picking up a rescue dog just because you 
>>>>>>> couldn’t stand to see it put down..  Belonged to an old man who 
>>>>>>> bought it because a ‘C’ was the tractor he learned to drive on 
>>>>>>> 75 years ago.  He just never had the energy, health, time to 
>>>>>>> work on it.  He had done some work and had pretty much 
>>>>>>> disassembled it. Because of its state and condition he just 
>>>>>>> really never had any active buyers. It looked destined for an 
>>>>>>> estate sale where the junk man picked it up for pennies.
>>>>>>>
>>>>>>> Anyways, he had lots of new parts (gauges, manifolds, decals, 
>>>>>>> fenders, etc) and had done a pretty decent job restoring the gas 
>>>>>>> tank. Right now the magneto is not making any spark but with the 
>>>>>>> help of Brice Adams I’ve narrowed it down to something in the 
>>>>>>> rotor cap or the inner base simply eating the spark. I get a 
>>>>>>> nice blue spark jumping directly to the coil button so I feel 
>>>>>>> confident that a tuneup for magneto will bring it to life.
>>>>>>>
>>>>>>> Right now I managed to pull the manifold studs without breaking 
>>>>>>> a single one. I even got the nuts off. So after soaking in parts 
>>>>>>> cleaner tonight I’ll chase all the threads, clean and file 
>>>>>>> mating surfaces, and get them back in the engine. One of the new 
>>>>>>> parts he had was a brand new manifold and manifold gasket.
>>>>>>>
>>>>>>> I haven’t done a compression test, but the engine does put 
>>>>>>> plenty of pressure on the thumb when turning it by hand so it 
>>>>>>> should start at least.   The old manifold was an all-fuel 
>>>>>>> manifold. It looked original based on it’s nearly completely 
>>>>>>> disintegrated condition. Engine serial number does have a G 
>>>>>>> suffix(think that means gas engine) so maybe it got a gas engine 
>>>>>>>  swap sometime in its history and they simply reused the 
>>>>>>> all-fuel manifold? No idea. I just want the engine to pop before 
>>>>>>> I route fuel lines and worry about power, performance, and idle 
>>>>>>> smoothness.
>>>>>>>
>>>>>>>
>>>>>>> That’s it for now,
>>>>>>>
>>>>>>> Spencer
>>>>>>>
>>>>>>> Sent from my iPhone
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