[AT] AR JD

Ralph Goff alfg at sasktel.net
Thu Sep 16 08:55:55 PDT 2010


Thanks for the feedback on the "AR" Dean. I had just assumed that this 
engine would be pretty well set to specification as my Uncle quite often had 
mechanics work on it for various things. The valve noise, if thats what it 
is, can be heard quite noticeably in the short video I have. I'll try to get 
it somewhere on the net where you or others can listen and offer their 
opinions. This tractor runs reasonably well considering all the time it has 
spent in storage for the past 8 years. Carburetor is a little off and I have 
to have a hand on the choke button any time I engage the clutch or else it 
will stall.

Ralph in Sask.

----- Original Message ----- 
From: "Dean VP" <deanvp at att.net>
To: "'Antique tractor email discussion group'" 
<at at lists.antique-tractor.com>
Sent: Thursday, September 16, 2010 1:34 AM
Subject: Re: [AT] AR JD


> Ralph,
>
> Nice looking AR. Without hearing it myself it is hard to say whether it 
> has normal or too much
> tappet noise. I've learned to go by my gut on these kinds of things. If it 
> bothers you, the settings
> should be checked. It isn't all that big a deal to pop the tappet cover 
> and do some checking. Might
> want to be prepared with a replacement gasket.  I don't have a manual 
> handy for your AR but I'm
> pretty sure the Tappet Clearance is supposed to 0.020".  Just a few 
> thousands off can effect timing
> about 4 degrees per 0.001" off. The correct tappet setting might give a 
> little improvement in engine
> performance as well. Worth a check.
>
> Dean VP
> Snohomish, WA
> "Socialism only works in two places: Heaven where they don't need it and 
> hell where they already
> have it." - Ronald Reagan
> "The trouble with socialism is that eventually you run out of other 
> people's money." - Margaret
> Thatcher
>
> -----Original Message-----
> From: at-bounces at lists.antique-tractor.com 
> [mailto:at-bounces at lists.antique-tractor.com] On Behalf
> Of Ralph Goff
> Sent: Wednesday, September 15, 2010 8:03 PM
> To: Antique tractor email discussion group
> Subject: [AT] AR JD
>
> Had to fire up the old AR John Deere yesterday while re-arranging stuff in 
> the shed. Took it out to
> blow the dust off and get all the fluids warmed up a little as this 
> tractor does not see much use
> anymore.
> Took a little video that I hope to upload to the net one of these days 
> when I have a more user
> friendly connection. For now here is a still photo.
> I notice what seems to be a lot of valve noise at slow idle. Is that 
> normal for these 2 cylinder
> engines or should I be adjusting the tappets?
>
> http://hotimg23.fotki.com/p/a/142_165/24_48/ARSept2010-vi.jpg
>
> Ralph in Sask.
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