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John Deere Tractors Discussion Forum
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JOHN DEERE A STUCK ENGINE

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BUTCH

04-30-2004 17:47:47




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HELP, I PUT ABOUT 1 GALLON OF MARVEL MYSTERY OIL DOWN THE TWO CYLINDERS TODAY. HOW LONG SHOULD I WAIT TO TRY TO TURN THE FLYWHEEL BY HAND ON THIS 49 A? BY THE WAY, I NOT ONLY HAVE A CRACKED BLOCK, BUT A PIECE MISSING FROM IT. ANY IDEAS ON WHERE TO GET A BLOCK CASTING # IS A3462R. THANKS FOR YOUR HELP
BUTCH




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Rob

05-01-2004 05:37:22




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 Re: JOHN DEERE A STUCK ENGINE in reply to BUTCH , 04-30-2004 17:47:47  
Butch, I have a 1950 A for parts, I will have to go and look at the casting number, I couldn't see any visible cracks, one side is alittle rusty as the motor was stuck when I got it, but if the numbers match and you are interested I will make you a good deal on it.
Thanks
Rob



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BUTCH

05-01-2004 07:31:32




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 Re: Re: JOHN DEERE A STUCK ENGINE in reply to Rob, 05-01-2004 05:37:22  
HI I LIVE IN N.E. PENNSYLVANIA ROB, WHERE DO YOU LIVE AND E-MAIL ME BACK AT THIS ADDRESS [email protected]



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Harold

04-30-2004 21:17:03




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 Re: JOHN DEERE A STUCK ENGINE in reply to BUTCH , 04-30-2004 17:47:47  
Butch, The best way is to take the block off with the pistons in and rods disconected, then pound the pistons out of the back end. I know where there is a good block but where are you. --Harold



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BUTCH

05-01-2004 01:30:55




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 Re: Re: JOHN DEERE A STUCK ENGINE in reply to Harold, 04-30-2004 21:17:03  
HAROLD, I LIVE IN NORTHEASTER PENNSYLVANIA IN A TOWN CALLED HARFORD. WHERE ARE YOU?



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Harold

05-01-2004 22:47:28




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 Re: Re: Re: JOHN DEERE A STUCK ENGINE in reply to BUTCH, 05-01-2004 01:30:55  
Butch, I live in southern Saskatchewan Canada,that would probably be to far to ship a block. Harold



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James Geib

04-30-2004 18:49:58




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 Re: JOHN DEERE A STUCK ENGINE in reply to BUTCH , 04-30-2004 17:47:47  
A friend of mine freed up a stuck A engine by filling the cylinders with diesel and rags and lighting them on fire and left burn till it all burned up. Then he started to rock the engine loose by the flywheel and a block of wood against the piston and hitting on it. Today it is running.



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Gman

04-30-2004 18:12:01




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 Re: JOHN DEERE A STUCK ENGINE in reply to BUTCH , 04-30-2004 17:47:47  
Butch you have to remove the block for repair,unbolt block and remove rod caps and pull the block and pistons at the same time . After you get the assembly down on the floor take a block of wood and drive the pistons out. You should be able to find a good block in the classified adds here on line,if you live near Portland ,Ind. there's a big swap meet May 15 weekend and I'm sure you'll find one there. Gman

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James

04-30-2004 18:10:34




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 Re: JOHN DEERE A STUCK ENGINE in reply to BUTCH , 04-30-2004 17:47:47  
BUTCH, I hope you unstick it but I usually end up taking the rods loose and the block loose and put it up on some blocks and then do what I have to do. It has to come all the way down anyway as you said the Block is cracked. Can it be welded ,Yes according to where it is cracked . I have many welded and they do well for what I do with them.



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old

04-30-2004 18:06:35




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 Re: JOHN DEERE A STUCK ENGINE in reply to BUTCH , 04-30-2004 17:47:47  
I'd wait a week or 2 and then I'd top them back off with some turpentine. Did that on a B and 2 hours after putting the turpentine in it turned over, but I did cheat a little I made a fylwheel wrench which fit in the 2 holes and was about 10 foot long. As far as the block I'd check with value bilt



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buickanddeere

05-01-2004 09:57:11




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 Re: Re: JOHN DEERE A STUCK ENGINE in reply to old, 04-30-2004 18:06:35  
Have to be cautious when using the lever on the flywheel trick or any other heaving/yanking. If something is stuck in the valve train you earn a bent push rod at the least. The tractor may run after being unstuck but the rings will never seal like they did before she seized. Worse yet ring lands on the pistons can get cracked or broken.



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