[AT] My Stupid JD A again

charlie hill charliehill at embarqmail.com
Fri Oct 5 18:17:58 PDT 2012


John is exactly correct on that.  These old tractors were built to work and 
work HARD and any of
them will load up and carbon up when all they do is put around like a parade 
piece.

Charlie

-----Original Message----- 
From: jtchall at nc.rr.com
Sent: Friday, October 05, 2012 6:37 PM
To: Antique tractor email discussion group
Subject: Re: [AT] My Stupid JD A again

The uneven sound may indicate a stuck valve. Even if it is, that doesn't
explain both plugs being fouled. I remember a thread about a Deere manifold,
but not the details. Assuming the manifold has nothing to do with this, is
your carb running too rich or air filter plugged up? Is the mag hot enough?
I went to get a friends Deere running one time and he had automotive style
wires on it, something I've never been a fan of on old tractors. Make sure
your wires are in good shape along with your distributor cap and spark
plugs. If you want to test the magneto, see if you can jump a 1/4" spark--if
not, the mag is not hot enough. As for cleaning the soot out of the inside
of the engine, get it running on two cylinders and then put it under a load
for quite a while. You would be surprised how much carbon would be blown out
of the engine after 10-15 minutes of field work.

John Hall


-----Original Message----- 
From: Tyler Juranek
Sent: Friday, October 05, 2012 3:35 PM
To: Antique tractor email discussion group
Subject: [AT] My Stupid JD A again

Hi all,
I hate to keep bugging this list, but my JD A is acting up again.
First, I haven't had time to work on the manifold, we don't have the
tools to do it.
However, how do I know if it is runnin on 1 cylinder?
Last time, I took the plugs out, and I mean, these suckers were coded
with soot. If you saw it, you'd think you were playin a scratch
tickit.
I cleaned them with a wire brush.
Then, I took one of those fat paint brushes with long bristles and
stuck it into the plug holes. Each time, I pulled out a boatload of
soot!
After that, I put the plugs back in, covers and bars on, gave er a
wirl and she run on both cylinders!
So the other night, I backed it into the shed, and it sounded like it
was runnin on 1 again.
So, I did the same procedure, accept I didn't clean the holes because
I lost my brush somehow.
So I put it back together and started it, but it still sounds like it
is runnin on 1.
When I open the petcock on the belt pulley side, it makes a Phh, Phh, Phh
sound.
On the other side by the flywheel, that petcock makes a phh
phhphhphhphhphhphhphhphhphhphhphh sound constantly.
Shouldn't they be even if it is runnin on both cylinders?
Any other suggestions to try besides cleaning the plugs and plug holes?
Is there a way to get the plug holes totally cleaned out, so that all
soot is gone?
Thank you,
Tyler J

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