53 super m will not fire!!!

Farmall M, Super M, 400, 450 & 560 Tractors, 1939-1963

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Re: 53 super m will not fire!!!

Postby havoc1482 » Mon Mar 10, 2014 1:05 pm

I just realized you said that your compression was about 85-90 last time you checked? That is on the low side if i'm not mistaken. Should be up around 125-130. I'd make sure to re-test compression just to narrow down the problem.
Mike
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Re: 53 super m will not fire!!!

Postby tsargeS7 » Wed Mar 12, 2014 6:56 am

I pulled the carb off last night to prepare it for when the rebuild kit arrives which should be thursday. Any special things I should pay attention to etc?? Also I will do a compression test when I put the everything back together. If I remember correctly you let the needl bumb three times?
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Re: 53 super m will not fire!!!

Postby havoc1482 » Wed Mar 12, 2014 7:32 am

tsargeS7 wrote: Any special things I should pay attention to etc??


Just put everything back the way you found it :lol:

If you know your way around the carb then you'll be fine.
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Re: 53 super m will not fire!!!

Postby tsargeS7 » Thu Mar 13, 2014 11:40 am

ok so the carburetor is prepped and ready to assemble as soon as the kit arrives which should be today :D I looked at the image of the kit itself and noticed it has a little steel ball with it. When I took mine apart there was no little ball bearing anywhere to be found. What is this for? part of the float needle?

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Re: 53 super m will not fire!!!

Postby havoc1482 » Thu Mar 13, 2014 4:02 pm

Number 39 if I'm correct: http://partstore.caseih.com/us/parts-se ... i980902-39

Part of the choke? Its the only ball on the E12 carburetor I can find, assuming you have an E12.
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Re: 53 super m will not fire!!!

Postby tsargeS7 » Thu Mar 13, 2014 8:30 pm

Wow, havoc that is quite the find. I believe you are right. I rebuilt the carburetor and installed it back on the tractor. Not only does it not fire up....still. It leaks like a hose if the fuel valve is on!!!! :worthy: I believe it to be worse than before. I assembled everything correctly and meticulously. What gives? Its as if it doesnt even have a float at all. Is this common on the super m? Never the less still not even the slightest hint of wanting to fire. So I took the advice of an old wrench head and pulled all the plugs and got a propane torch and hit each cylinder to make sure everything was dry etc. I am quite confident that the fuel is reaching its destination. I had a good pop on each cylinder. Oddly enough the #1 popped like 8 times, enough to blow the torch out each time?? Anyway...... :lost: I am buying a new coil tomorrow as I wonder if it is just wearing out and not throwing enough of a spark? I dont know what else to do. :help:
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Re: 53 super m will not fire!!!

Postby havoc1482 » Fri Mar 14, 2014 5:38 am

It leaks fuel when turning or does it just leak fuel when its sitting there doing nothing?


It could be that you have bad spark. I hate to nag on you about this, but did you do that compression test yet? haha.
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Re: 53 super m will not fire!!!

Postby Eugene » Fri Mar 14, 2014 6:35 am

tsargeS7 wrote:I rebuilt the carburetor and installed it back on the tractor. It leaks like a hose.
Problem concerns the needle valve and seat area, float action, etc..

Search this site for "bench testing carburetor" or slightly different wording.

I have explained the process several times, Couldn't find my posts in the "How To" section of this site. Will try to locate my posts.

Bench test is conducted with carburetor top separated from bowl. Bench test will disclose the problem in the needle valve and seat area.

Edit: viewtopic.php?f=1&t=81833&p=655787&hilit=bench+test+carburetor#p655787

Procedure same, measurements are different.
I have an excuse. CRS.
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Re: 53 super m will not fire!!!

Postby tsargeS7 » Fri Mar 14, 2014 6:56 am

ok I did di that. Instructions that came with kit had the measurments. the super m carb is 1 5/16 float level, and 1 15/16 float drop
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Re: 53 super m will not fire!!!

Postby tsargeS7 » Fri Mar 14, 2014 7:00 am

I have not done a compression check with a guage yet. My brother has my guage. I will do that today or tomorrow morning and let you know.
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Re: 53 super m will not fire!!!

Postby tsargeS7 » Fri Mar 14, 2014 7:39 am

also as an FYI for all of you trying to help me. The coil gets very hot as I crank trying to get this thing started. I do have a battery charger plugged into it but that shouldnt cause any thing to heat up. I appreciate all of your help
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Re: 53 super m will not fire!!!

Postby Eugene » Fri Mar 14, 2014 10:56 am

tsargeS7 wrote:The coil gets very hot as I crank trying to get this thing started.
Points.

viewtopic.php?f=1&t=81833&p=655787&hilit=bench+test+carburetor#p655787

You found and fixed the source of your fuel leak?
I have an excuse. CRS.
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Re: 53 super m will not fire!!!

Postby tsargeS7 » Fri Mar 14, 2014 6:47 pm

Eugene wrote:
tsargeS7 wrote:The coil gets very hot as I crank trying to get this thing started.
Points.

viewtopic.php?f=1&t=81833&p=655787&hilit=bench+test+carburetor#p655787

You found and fixed the source of your fuel leak?


What do you mean points? specifically? I adjusted them to .020
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Re: 53 super m will not fire!!!

Postby danovercash » Fri Mar 14, 2014 7:56 pm

First find that fat blue spark, then if fuel present you will get a positive result.
"It is impossible for a man to learn what he thinks he already knows." -Epictetus

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Re: 53 super m will not fire!!!

Postby Eugene » Sat Mar 15, 2014 7:30 am

tsargeS7 wrote:I rebuilt the carburetor and It leaks like a hose if the fuel valve is on!!!! :worthy:
Eugene wrote:
tsargeS7 wrote:The coil gets very hot as I crank trying to get this thing started.
Points.

viewtopic.php?f=1&t=81833&p=655787&hilit=bench+test+carburetor#p655787

You found and fixed the source of your fuel leak?
tsargeS7 wrote:What do you mean points? specifically? I adjusted them to .020
OK. You have several problems. Suggest tackling one problem at a time, a systematic approach. Start with the compression tests. Then solve the ignition problem and lastly the carburetor.

Hot coil. Ignition coil is a transformer, couple coils/windings of wire. A short within the coil or within the distributor will cause the primary coil winding to heat up. Likely cause, points closed or not functioning properly, such as bad spring.
I have an excuse. CRS.
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