[Farmall] A Few Questions

[Austin Hurst]

Ben,

    the clutch adjustment is located at the back of the torque tube just 
ahead of the transmission.  there's an opening in the bottom and there are 
nuts on a threaded rod to adjust the clutch pedal clearance.

    the surging or "galloping" of the governor may be able to be solved by 
adjusting the set-screw on the top of the governor.  the manuals should tell 
you which direction to turn it, or you can just experiment a little.  if 
you're not so lucky, then the governor probably needs to be 
overhauled--specifically a new governor spring may be needed.

    regarding the noisy engine, just exchange the mufflers for starters to 
see if that makes a difference.  if your good engine is truly "putt-putting" 
like a John Deere, then you're not firing on all 4 cylinders which could 
mean sparkplug, valve or electrical problems.

    I know of no way to clean the baffles in a muffler.

    hope this helps.

Austin Hurst
Lafayette, CA





----- Original Message ----- 
From: "Ben Wagner" <supera1948 at gmail.com>
To: <at at lists.antique-tractor.com>; <farmall at lists.antique-tractor.com>
Sent: Tuesday, July 05, 2011 6:52 AM
Subject: [Farmall] A Few Questions


> Hi everyone,
>
> I've got a few questions concerning my 1945 Farmall A.  I just started it 
> up
> for the first time in four months yesterday after a paint job.  I'll 
> number
> the questions so that they are easier to reference.
>
> 1.  The tractor runs fabulously.  It starts right up, even after sitting 
> for
> four months, and is the most dependable engine I could want in an old
> tractor.  My only objection is that the engine surges whenever I adjust 
> the
> throttle, unless I slowly creep the throttle up or down.  The surging 
> stops
> if I slow the engine down.  My other tractor, the 1948 Super A, will also
> surge but only when the choke is not adjusted at exactly 1/2 choke.  The
> 1945 A will not run well unless the choke is completely open.  Because the
> engine on the 1945 A runs so well, I hesitate to do any adjustments on the
> carb.  Does anyone have any advice?  I can live with the surging, even
> though it is a little irritating, but I would like to be able to advance 
> the
> throttle without the concern of the surging.
>
> 2.  I used the tractor this winter before a paint job for snow removal.  I
> remember thinking that the engine sounded incredibly loud.  Yesterday, I 
> had
> both tractors out, and the 1945 engine sounds much louder than the 1948
> Super A.  I'm wondering if the muffler is working, since the muffler is
> original "Stanley" vintage.  Is there any way to clean the soot out of the
> muffler, without taking it to a muffler shop?
>
> On the other hand, if the muffler is fine, which is something I may test
> soon with my other tractor, what would make the engine sound like a two
> cylinder?  It has a distinctive "putt-putt" versus the smoothness of the
> Super A, although the Super A is not as good an engine.  Like I mentioned, 
> I
> really don't want to mess with the engine since it runs so well.  I'm
> halfway wondering if the modern ethanol gasoline is part of the problem!
> But then again, the muffler could not be working, causing me to hear the
> pure engine firing.
>
> 3.  This question is for anyone who has adjusted, or knows how to adjust, 
> a
> Farmall A, B, or C series clutch.  The clutch only begins grabbing when 
> the
> pedal is about 1/2 to 1 inch from being completely up.  There is no
> freeplay.  How can I adjust the clutch to give me a little freeplay and a
> longer engagement travel?
>
> Thanks for your help.
>
> Ben Wagner
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