[AT] 39 Farmall A crankshaft question

[charliehill]

Al, having it done at the local machine shop sounds like a good field trip 
for your class.  You might have an aspiring machinist in your bunch that 
doesn't know it yet.

Charlie
----- Original Message ----- 
From: "Al Jones" <farmallsupera at earthlink.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>; 
<farmall at lists.antique-tractor.com>
Sent: Saturday, February 27, 2010 8:54 AM
Subject: [AT] 39 Farmall A crankshaft question


> My students got the oil pan off the 39 A this week, and the splitting 
> stand I built for them bolted on, so if they are successful with their 
> other projects this week, they can start preparing to pull the engine the 
> rest of the way apart.
>
> After school I took a look.  You can wiggle the connecting rods on the 
> crankshaft ever so slightly.  The worst one felt like about 1/16" of play 
> side to side.  I know there's no way to tell for sure until they 
> plastigauge it and mic the journals, but I am anticipating best case 
> scenario a crankshaft grind and worst case, weld/grind the crank back down 
> or find another crank already turned, or have it turned.
>
> Anybody got a good source for reground A/B/C crankshafts?  I thought I'd 
> do some checking here just to get an idea of where to look.  Local machine 
> shop is good at this kind of stuff, and is reasonable, but I'd like to go 
> in knowing my options.....
>
> thanks,
> Al
>
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