[AT] Allis C Oil Pump....

[charlie hill]

John,  Isn't there also a check ball of some sort in the end of an oil 
passage at the front of the block behind the timing gears?  Or am I thinking 
about a different engine?

Charlie
----- Original Message ----- 
From: "John Boehm" <rustyacres at yahoo.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Monday, May 21, 2007 12:16 PM
Subject: Re: [AT] Allis C Oil Pump....


> Inside the pump, there is a light spring and a steel
> ball used to regulate the pressure. Is this missing or
> broken in yours?
>
> John Boehm
> Woodland, CA
> Visit my web site at http://vintagetractors.com
>
>
> --- william.neff.powell at comcast.net wrote:
>
>> All this talk about the Allis C got me to thinking
>> about my Allis C's oil pump....
>>
>> I believe I have brought up this subject before, but
>> it has been a while, so here it is again...
>>
>> I rebuilt the engine in the early 90's and I did not
>> touch the oil pump. After running it a few times the
>> oil pressure went away and I split the tractor to
>> have a look. Could not see anything wrong...
>>
>> Put it back together and then I put a rubber tube on
>> the end of my oil can and ran that over the oil
>> filter rod, and pumped... That primed the pump and
>> the oil pressure came back up.
>>
>> If I park the tractor downhill, the pressure will
>> not come back up when I go to restart.
>>
>> If I park the tractor uphill, pressure will come
>> back up.
>>
>> I have seen many postings on other sites concerning
>> the Allis C and a loss of oil pressure.
>>
>> I find that while the pump is an elegant simple
>> design, it lacks the advantages that other pumps
>> have when they are submerged in oil... Where, even
>> if a submerged pump is worn, it will still pump...
>> And, the C's pump, when worn? will not because it
>> loses prime....
>>
>> I am assuming my pump is simply worn out....
>>
>> Any thoughts on this subject? Do I need a new pump?
>> Or, can I machine a part and make it like new?
>>
>> Regards,
>>
>> Will Powell
>> _______________________________________________
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>> http://www.antique-tractor.com/mailman/listinfo/at
>>
>
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