[AT] Ford NAA

[Richard Fink Sr]

John and Don oil is correct.I changed about all the oils. Not dirty. It 
leaks off empty about 3 hours with some thing on it 5 minutes or less.
Guess i will lift top off and see if i can find a fault.
Thanks
R Fink




----- Original Message ----- 
From: "Don Bowen" <don.bowen at earthlink.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Sunday, July 17, 2011 10:06 AM
Subject: Re: [AT] Ford NAA


> On 7/17/2011 7:10 AM, Richard Fink Sr wrote:
>> Hi all as always i have a question. i have a 54 ford Naa, question on the 
>> 3 point, When i purchased this tractor it had a 5 ft brush hog on it. 
>> Most times it would not lift it, justa growl or chatter like noise. i 
>> sold the brush hog. Now i thought i would look in to this problem, But 
>> empty is works great. Please what am i looking for. I know nothing about 
>> 3 point lifts other than they are hyd. BIL says there is a piston under 
>> the seat cover that is most often bad replace with new style. All advise 
>> is requested.
>
> The NAA is a  post lawsuit design with the lift pump mounted externally
> at the back of the engine.
>
> There are several reasons it will not lift.  No. 1 is the oil level,
> check that first.  I cannot remember off hand if the NAA had an oil
> filter, I do not think so but if it does, clean or replace it.  After
> how many years of sitting outside, who knows what oil has been dumped in
> there, the oil could be very dirty and gunk sitting in the bottom.
> Drain a little of the oil to see how dirty.  Replace the oil with 90 wt
> gear lube, it is not designed for the modern Hytrans fluid.
>
> Next in line is the cylinder.  When it lifts empty and you shut the
> engine off how long does it take for the arms to fall?  The cylinder is
> mounted under the top cover and could have bad O rings or scored walls.
> There are kits to rebuild the O rings and seals of the top cover and new
> and used cylinders are available.  It is not a hard job on those early
> Fords, one person can lift the top cover.
>
> The first step is to get a manual.
> http://www.ytmag.com/cgi-bin/store/mansrch.pl
>
> Below is a good source for manuals, parts, and help.
> http://www.ytmag.com/cgi-bin/tractors.cgi?m=ford
>
> For parts
> http://www.ytmag.com/cgi-bin/store/model_parts.cgi?SearchArea=FORD&&md=NAA&r=zone
>
> I have been into the lift on the old and new Fords and the Massey
> Ferguson.  I have been into the pump on old Fords and the new Massey
> Ferguson.
>
> -- 
> Don Bowen           KI6DIU
> http://www.braingarage.com/Dons/Travels/journal/Journal.html
>
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