[AT] NAA fluids

[Cecil Bearden]

It might help.  Problem is that when you back up, you hold on to the hyd 
lever and cause the pump to bypass against the relief.  Both ways.  So it 
heats the oil up constantly.

Cecil
----- Original Message ----- 
From: "Mark Greer" <greerfam at raex.com>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Wednesday, August 23, 2006 6:44 AM
Subject: Re: [AT] NAA fluids


>
> I sell Lubriplate 250w gear oil.....
> Mark
>
> ----- Original Message ----- 
> From: "Cecil Bearden" <crbearden at copper.net>
> To: "Antique tractor email discussion group" 
> <at at lists.antique-tractor.com>
> Sent: Tuesday, August 22, 2006 11:31 PM
> Subject: Re: [AT] NAA fluids
>
>
>> If I recall correctly, there are 3 sumps, but the shafts are not sealed
>> between the housings.  the oil can travel between sumps, through the
>> bearings.  The 3 drain plugs are to get it all out.  NAA uses 90Wt 
>> mineral
>> oil.  Also look at 50wt motor oil and 90wt mineral and you will not find 
>> a
>> whole lot of difference.
>>
>> I have an old Cat D6 with a worn hyd pump and valves.  It uses 140 wt and
> if
>> I could get something heavier, I would use it....
>
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