[AT] Caution - Oil question

[carl gogol]

Thanks for the comments- The seal is a common lip seal not rope -- gee guys 
it was built in 1959, not 1909!  I am not that old, but 1959 makes it 10 
years younger than me - so it ain't no antique in my book!  I'm thinking 
that I have seen other lip seals wear in - maybe the synthetic is just so 
much better that it delays the process.

We are enjoying our 16 inches of fun - how about you?
Carl Gogol
Manlius, NY
AC One Seventy diesel
(2) AC D-14, AC 914H
Simplicity 3112 & 7116
Kubota F-2400, B 7300 HST
----- Original Message ----- 
From: "Thomas O Mehrkam" <tmehrkam at sbcglobal.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Sunday, December 16, 2007 8:21 PM
Subject: Re: [AT] Caution - Oil question


>I understand that synthetic oil will sometimes leak where regular oil
> will not.
>
> I assume your AC has a rope seal. Oil makes the seal swell to it will
> make a seal. I wonder if synthetic oil will do this. Most autos use
> rubber seals now adays.
>
> carl gogol wrote:
>> Last winter I replaced the front main seal and used one of those fancy
>> repair sleeves on the crankshaft of an AC D-14.  I am in the middle of
>> trying to fit this tractor up with one of these side mount all hydraulic
>> sickle bar type road mowers (that can be a another story- some day).  No
>> time to work on it when the weather is good - too many chainsaw activites 
>> to
>> fill my time so it hasn't been run for more than an hour until about 3 
>> weeks
>> ago.
>>
>> All summer long the oil slowly leaked from the seal I replaced.  The 
>> tractor
>> was used for a few hours about 3 weeks ago to pull a brush chipper from 
>> pile
>> to pile and then put it away.
>>
>> My question is related to a quick observation - the leak seems to have
>> slowed down significantly since the use.  One more piece of info - I
>> upgraded to a synthetic blend oil since it was cheap when bought and it
>> seems a shame to change the oil every year with so little use.  Does a
>> synthetic slow down the normal wearing in process of a seal or did I some
>> how screw up this somewhat simple job?
>>
>> Carl Gogol
>> Manlius, NY
>> AC One Seventy diesel
>> (2) AC D-14, AC 914H
>> Simplicity 3112 & 7116
>> Kubota F-2400, B 7300
>>
>>
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