[Farmall] 39 A: Crankshaft pulley with setscrew!

[E. John Puckett]

My first guess would be that  previous owner had trouble with the pulley 
loosening and made a modification.  May have used emery cloth to cut 
down the shaft some and went too far.

Al Jones wrote:
> My students got the front bolster off and we are just about ready to get the 
> engine free of the tractor onto a stand.
>
> I found something I have never seen before on Cub's, Super A's, etc.:  About 
> a 5/16" setscrew in the pulley.  From the way it's cast, it appears that the 
> setscrew is over the keyway--the pulley has a raised area like it was cast 
> to accommodate a keyway.......all way different than what I have seen!
>
> I have to see if I can borrow the proper tools to get the pulley off this 
> weekend.  We don't want to just throw a puller on it and break the pulley to 
> begin with.  Now since it appears to be a tad unusual, I DEFINITELY don't 
> want to break it!
>
> Al
>  
>
>
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-- 
Edgar John Puckett
10142 Mahagony Rd.
Potosi, Mo. 63664
573-438-2799
mobil 573-210-0061