[AJD] 1948 A Valve Machining

[Duane Larson]

Chris,
JD Field Service Bulletin 167 gives a seat width of 1/8" +- 1/64" for both 
intake and exhaust.  I'm not sure about your earlier question either.
Duane Larson

----- Original Message ----- 
From: "Chris C" <jdnutinwa at yahoo.com>
To: "Antique John Deere mailing list" 
<antique-johndeere at lists.antique-tractor.com>
Sent: Tuesday, July 26, 2005 1:28 AM
Subject: Re: [AJD] 1948 A Valve Machining


>
> Ok I have been digging through the books that I do
> have..  No Shop manual for the A,  but I have one for
> the 60, my 40 and the B,  the best I can find is that
> "A good margin'  with 'no knife edge'  is the best
> that I can come up with for the valve margin..
>
>   Anyone know anything more?
>
>            Chris
> --- Chris C <jdnutinwa at yahoo.com> wrote:
>
>> Howdy all,
>>
>>     I have my head for a 1948 A in the shop and I am
>> wondering the min. Valve heights for both the Exaust
>> and Intake.. For some reason I can't seem to find
>> that
>> info in the books that I own..  I thought I had an I
>> &
>> T manual around but it's well hidden if I have one.
>>
>>        Thanks!
>>
>>                 Chris
>>
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