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Tractor Talk Discussion Forum

Help with a farmall a

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1941 farmall a

02-04-2007 00:29:01




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HI im 18 years old and i got me a 41 a for 200$ it last ran 15 years ageo. I got it home and took the oil pan off and it was watter and some oil in it then i took off the head on it ready to see the worst and the clinders was full of watter. After awile i got the watter out and ive been letting it sit where with thin oil in the clinders trying to free it up. The trans in it shifts fine pto turns good IM just in the need of tips or any thing that can help me out some thanks.

Thank you 1941 farmall a boy Carson

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Rodman

02-10-2007 15:56:30




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 Re: Help with a farmall a in reply to 1941 farmall a boy, 02-04-2007 00:29:01  
Best yet is the way a friend of mine breaks them loose. After all of the advice of what oils to use I watched him and his way is best. He has a 10 ton port power so he screws a fitting into the spark plug hole then connects to pump to that fitting and puts the pressure to it. That forces oil down around the pistons as he repeats it on each cylinder. I have seen him break several engine loose and have them running again in a little while with a minimum of work. Not a cure all but certainly worth a try if you have a port a power, and if not just wish you had one as you take it apart....

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1941 farmall a boy

02-05-2007 12:50:09




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 Re: Help with a farmall a in reply to 1941 farmall a boy, 02-04-2007 00:29:01  
Thank you all for your help i have some good ideas now i will keep ever one updated on what im doing.

Thanks all



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gene bender

02-05-2007 06:34:49




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 Re: Help with a farmall a in reply to 1941 farmall a boy, 02-04-2007 00:29:01  
take the crank out then you can remove the sleeves with the stuck pistons all in one unit. New sleeves and pistons can be found for around250.00



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farmall b

02-04-2007 12:14:58




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 Re: Help with a farmall a in reply to 1941 farmall a boy, 02-04-2007 00:29:01  
Been there, im working on a farmall b. I had water and just about everything else in my engine. I got all the pistons and cylinders out and ready for a rebuild kit, but the block was cracked. I have a few parts that I dont need because I bought a new engine. Good luck



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Mark

02-04-2007 10:22:48




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 Re: Help with a farmall a in reply to 1941 farmall a boy, 02-04-2007 00:29:01  
Sounds like you have a real can of worms there! Lots of good ideas have been offered, but the bottom line is...your engine has suffered a lot of abuse. I know money is probably a big issue...it is for most of us. BUT, you are going to have your hands full even after you get it apart. You may be money ahead, to just pull the engine and take it to a good machine shop for overhaul. You got into your tractor cheap enough and there is no such thing as a free lunch. If the rest of the machine is in decent shape...you'll wind up a fresh engine that will run for years. They can get that engine apart while you're still cussing at it. I suspect you'll need it bored anyway and fresh pistons. The head probably needs rebuilding too. Get the engine rebuilt and spend your time going over the rest of the tractor. This will be a long term project but worth it in the end.

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37 chief

02-04-2007 12:42:03




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 Re: Help with a farmall a in reply to Mark , 02-04-2007 10:22:48  
Yes it would be easy to take the engine to a mchine shop for a complete rebuild. At 18 years old he has time to do himself. He will not learn much to have someone else do it. Stan



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Mark

02-04-2007 13:44:35




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 Re: Help with a farmall a in reply to 37 chief, 02-04-2007 12:42:03  
Stan,

Of course, you're right. I should have consulted you first. My faux pas.....that's 'blunder' in English.

farmall boy, tear right into it. Rip the hide from your knuckles, beat and bang and invent new cuss words..because then you'll be 'doin it like a real man' and larnin sumpthin. You'll larn that when you're done, the head still needs to go to a machine shop, the block is pitted and needs reboring, the crank probably needs turning and that the block is probably cracked. You'll 'larn' all about rod and main bearings, perhaps cam bearings, and weak valve springs and guides. After you get it bolted back together, you might even get to learn about blocked oil passages that would have been boiled out by a machine shop before all those new parts got crammed inside and the tractor bolted back together, only to find you're screwed. But just think of the valuable lesson you will have larned! Good luck.

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37 chief

02-04-2007 18:56:03




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 Re: Help with a farmall a in reply to Mark , 02-04-2007 13:44:35  
That is how I learned about mechanical things. When I first started out as a young boy I just took things apart, later on I actually could put them back together. Life is a learning experience, we learm by our mistakes. Now if you keep making the same mistake over and over you need to have someone else do your work. Stan



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37 chief

02-04-2007 08:59:08




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 Re: Help with a farmall a in reply to 1941 farmall a boy, 02-04-2007 00:29:01  
I had a MF with a cylinder full of water and rust. I got a piece of metal bar and wrapped some rags and a lether glove around the end poked the bar all the way to the underside of the piston and pounded it out. Clean all the rust you can from cylinder first. After I removed the piston. Then I honed the cylinder, which still had some pits when I finished, put in new rings and the motor ran for a lot hours. The ideal thing to do would be to bore the block. Stan

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RAB

02-04-2007 06:38:37




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 Re: Help with a farmall a in reply to 1941 farmall a boy, 02-04-2007 00:29:01  
Is it all cyinders? Are the big end bearings spun white metal or are they shells? If they are shells, I would remove them and try to just crack the rust holding the pistons, bearing in mind you don"t want to move them more than the thickness of the shells or you may damage the crank! If you can get them moving, even ever so slightly, you are more than halfway there. When free always clean very carefully above the piston to remove as much crud as possible. Remove the easiest first and that will help when the last one needs a lot of persuasion to move it.
Moving/cracking the rust - anything from minimum required for easy jobs up to a sledge hammer on a carefully fitted end-grain hard-wood block for the difficult ones.
This is, of course, after any soaking, heating, or other persuasion techniques employed. Remember, as you are at the moment, all the pistons are holding the others via the crankshaft and that is not good. May even need to remove engine and remove the crank. Just depends on condition it"s in. They are all different.
Hope this helps.
Regards, RAB

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Dave MacRitchie

02-04-2007 06:05:07




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 Re: Help with a farmall a in reply to 1941 farmall a boy, 02-04-2007 00:29:01  
If the oil dosn't work. Try tacking the porclyn out of a spark plug and braze a zert fitting in it. put the head on it and remember which cyclender was at top dead center with the intake valve open. know put the plug in and start pumping away a. a grease gun will put about 1200psi in it. something will give. PS put PB BLASTER in all the cylenders you can get this at walmart or autozone.



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Turke Bros. Farms

02-04-2007 08:13:03




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 Re: Help with a farmall a in reply to Dave MacRitchie, 02-04-2007 06:05:07  
Wow! what a neat idea... never heard of that but sure makes since. especially with 1200lbs of pressure. If i get another one without broken parts, and rusted together, im going to try that! Thanks DTURKE



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mike a. tenn,

02-04-2007 03:00:06




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 Re: Help with a farmall a in reply to 1941 farmall a boy, 02-04-2007 00:29:01  
farmall boy...sounds like you have a good project there. if you'll go to the home page of THIS forum and look at the top, you'll see on the bar under the forum title where it says, "show all forums" click on that and then scroll down....you'll find a forum for "farmall and ihc" tractors this is where you'll find the most farmall guys. post your questions there too.

i've never tried this so i don't know if it works, but i've heard if you pour boiling water into your cylinders it can sometimes free up stuck pistons. it probably has more to do with the heat of the boiling water than anything else.

if you don't have any manuals on your tractor, you can probably order them thru this forum. in the left hand margin of this page you should see a section called "marketplace" right under there you can click on "tractor manuals". manuals are a must for anyone that's going to be working on their tractor. i suggest getting them.

let us know how you make out and give us updates on your project.

-mike

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old art

02-04-2007 13:14:53




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 Re: Help with a farmall a in reply to mike a. tenn,, 02-04-2007 03:00:06  
there is much to learn here just in taking it apart your self.best to remove engine then toak out the crank put the bearing caps back on where the came from besure the pistons or rods are numbered when your all apart evaluate what you need and compare to haveing some else doing it your hands on will long be rembered for what you did on your own. when you are stuck some one here will talk you throuhg the problem. i wish you alot of good hours. Old Art

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