[AT] Refill my Case hydraulics

[Cecil Bearden]

Mike:
I would use some AW hyd oil an AW32 or AW40 would work great.  If it is 
really worn, you could go up to AW150  It is expensive though....  AW stands 
for Anti-wear.  the numbers are the viscosity.  John Deere Hydraulic oil or 
HY-Gard will meet most all specs for hyd oil....  In fact, if it was made in 
the early 70's 10 wt motor oil was used....  Really the higher grades of ATF 
have more anti-wear additive in them....So any one of them should be ok. 
Baldwin filters used to have a listing or link on their web site for oil 
specs.  Shell had one on their web site...

Cecil
----- Original Message ----- 
From: "Mike Sloane" <mikesloane at verizon.net>
To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
Sent: Thursday, July 27, 2006 4:00 PM
Subject: [AT] Refill my Case hydraulics


>
> I have a Case 430CK, and when I got it the seal on the three point lift 
> cylinder was blown out. As a result, the PO advised me that much of the 
> hydraulic fluid had been pumped from the torque tube reservoir into the 
> transmission. I finally got a round tuit, and I replaced the seal (which 
> was split in half) this week. And indeed the transmission was half full of 
> a mixture of 90W oil and something lighter. I am going to eventually have 
> to drain that mess out and replace it with the recommended 90W oil, but it 
> is working fine now. The problem is that the fluid in the reservoir is so 
> low that neither the power steering nor the hitch operate. The owner's 
> manual recommends the use of "ATF" in the system. I stopped by local auto 
> parts store today and asked for some ATF, and the counterman asked if I 
> wanted ATF-1, ATF-2, or ATF-3. It seems that there is are different 
> formulations among them, and if I pick the wrong one, I will have 
> (undetermined) problems that will require draining and discarding the 
> wrong stuff.
>
> Does anyone have any suggestions as to which one I should buy for this 
> tractor? I seem to recall that back in the 1960s, there was only one kind 
> of ATF (I had an Esso service station about that time, and ATF came in red 
> and white quart cans, as did lube oil - you forced a combination punch and 
> spout into the top of the can and drained it. I still have a couple of 
> those spouts that I keep for the Smithsonian Institution, should they ever 
> ask for them.)
>
> Mike
> -- 
> Mike Sloane
> Allamuchy NJ
> <mikesloane at verizon.net>
> Website: <www.geocities.com/mikesloane>
> Images: <www.fotki.com/mikesloane>
>
> I hope our wisdom will grow with our power, and teach us that the
> less we use our power the greater it will be. -Thomas Jefferson,
> third US president, architect and author (1743-1826)
>
>
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