[AT] Easier to Start?

[Mike Meulenberg]

Has he checked and set the float level to factory specs?

Mike M


----- Receiving the following content ----- 
From: charlie hill 
Receiver: Antique tractor email discussion group 
Time: 2012-07-19, 09:26:28
Subject: Re: [AT] Easier to Start?


Ben if it ran without the choke using the other carb then the problem isn't 
in your air cleaner.
there is still some sort of problem in that carb.
To answer your question, I'm not that familiar with IH air cleaners but the 
Allis stuff is similar.
When you remove the oil cup from the bottom and look up in the cleaner there 
is some sort of
metal grid there to hold that "wool" in place. It can be removed. It might 
require de-soldering
it. Maybe someone else knows. Once that is out the steel wool pulls right 
out. It can be bought.
I know it's available for AC tractors and I'm sure it is for IH as well. 
With that said, if you have to
run with the choke pulled a restriction in your air filter would help not 
hurt. You are running too lean.
There is some sort of restriction in your carb.

Charlie

-----Original Message----- 
From: Ben Wagner
Sent: Thursday, July 19, 2012 8:50 AM
To: Antique tractor email discussion group ; Farmall/IHC mailing list
Subject: Re: [AT] Easier to Start?

Charlie V., I did try your suggestion to pinpoint the problem. The
Super A did start much better, even though it didn't run well. I think
it was running rich, but I didn't want to destroy the settings which
work well on my other A, so I reinstalled the old carb.

Interestingly, for those following this thread, the Super A still only
runs evenly with 1/2 choke. Even after the cleaned carburetor, it still
only runs well with 1/2. It doesn't smoke, has plenty of power, and
consumes less fuel at that setting than any of my other tractors running
with no choke.

I wonder if some trash is in the sediment bowl housing? The only other
option is junk in the air cleaner. Those two options seems to me to be
the only way to cause the problem.

Is there a way to remove the "steel wool" substance in the air cleaner
so as to clean it well? I'm assuming the bottom (inside the cup) with
the radial lines comes out, but for some reason the bottom on my Super A
doesn't want to budge. Am I thinking correctly here? Does this model
air cleaner come apart?

Thanks for the tip, Charlie! I'll remember that one for future reference.

Ben W.


On 7/16/2012 12:47 PM, Charlie V wrote:
> Ben,
>
> ,Having read all of the good suggestions given so far, I will offer
> one more. If Mike Sloan's (Hi Mike) propane suggestion does not help,
> how about "borrowing a carburetor from one of your other Farmall A's
> and putting it on the problem one. If the gas line is at a different
> position on the borrowed carb, borrow the other gas line to go with
> it. The time investment will be small compared to what you have
> already done. That should tell you once and for all if the 1/2 choke
> problem and the hard starting is carb caused. After you prove that it
> is, you would need to look to replace that carb with another (used
> preferably), or get a good kit for yours, or find a clogged fuel
> passage that has been missed so far.. If the problem is not carb
> caused, you would at least not waste any more time going down that
> road.
>
> Some might ask why mess up a good running tractor for one that runs
> poorly. It should not mess up the good running tractor for any longer
> that the time needed to change the carb over, test run, and change it
> back.
>
> Good luck,
>
> Charlie V.
>
>
>
>
> On Sun, Jul 15, 2012 at 9:03 PM, Ben Wagner <supera1948 at gmail.com> wrote:
>> Good Evening,
>>
>> It's been awhile since I have had to bring you an issue on my Farmall
>> Super A. It has always been hard to start, taking a long time of
>> cranking (normally two periods of three seconds each) before it will
>> begin to fire. Lately, the electrical system has acted up, and I am
>> trying to start it with a hand crank. It's great exercise, but not the
>> greatest use of my time. It took a good 20 some turns with the hand
>> crank to get it to start firing tonight. I'm surprised my arm can still
>> type!
>>
>> Is there any sort of "trick" some of you know of to convince a tractor
>> to start easier with a hand crank?
>>
>> In case it is important, the Super A has a good magneto, D21 spark
>> plugs, and a Zenith carb. It also only runs well on half choke, and
>> there are no adjustments on the Zenith beyond the idle mixture. I know
>> the impulse coupling works, unless I am mistaken.
>>
>> Thanks for your help. I'm sure all of you have had the tractor that
>> won't start well with a hand crank!
>>
>> Ben Wagner
>> _______________________________________________
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