[AJD] AR update - cracked

[Jim Showers]

The AO/AR blocks are different....one difference being at least on my 1951 
AO is a pair of compression relief cocks on the underside of the block. 
These are accessible through the hole in the  frame.  I imagine they were to 
be used when the steering wheel attachment was used to start the engine.
Jim Showers
1951 AO
1957 720D
1959 530


----- Original Message ----- 
From: "Tommy Wilson" <t17wilson at cox.net>
To: <antique-johndeere at lists.antique-tractor.com>
Sent: Tuesday, December 06, 2005 11:41 PM
Subject: [AJD] AR update - cracked


> Well, some bad news today on the AR. We decided to pull the head. The 
> reducer in the bottom of the head were hitting so I put a socket on it and 
> gave it a little turn. The whole bottom of the head came off where it had 
> froze and cracked at some point. But then I was able to get the head off. 
> The crack on the right side of the block that I had seen from the 
> beginning goes through to both of the center "ribs" above the pistons. 
> I've posted 6 more pictures on my Fotki site. Looks like I'll be needing a 
> engine after all. Anyone know where there is one that will fit a 1950 AR 
> serial #274848?
>
> http://public.fotki.com/twilson17/
>
> Tommy Wilson
> Ruston, LA
> 1950 IH H
> 1950 JD AR
> 1951 JD B
> 1952 IH SC
>
>
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