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----- Original Message -----
From: "jim gilmore" <jgilmore@oeonline.com>
To: "Military Vehicles List" <mil-veh@uller.skylee.com>
Sent: Sunday, May 14, 2000 11:49 PM
Subject: Re: [MV] Ferret fluid and Catch 22
>
With a Saladin we could lose braking and control......
>
Only if both lights don't work.
> NATO O-134 (OM-13)
> Def. Stan 91-44/1
>
> Composition: light mineral oil containing 0.05 to 0.10 percent of Stearic
acid.
>
> Characteristics: Viscosity at 38 degrees C min...........12mm(2)/s(cSt)
> "" " -26 degrees C
max..........1250mm(2)/s(cSt)
> Pour point max..........-45 C.
> Flash point min.........144 C.
> NATO Stock No. 9150992202558....1 litre
> 9150999431324....25 litre
>
> I should note that the Stearic acid IS necessary in this fluid for our
application.
>
Why ?
What is so different about the 600 series chassis steering system in the FV
601 and FV603/4/10/11 from the FV620/2/3/4 ?
Currently Shell TX 46 is heaving my rack this way and that, previously ISO
32 did the job. In fact it is also whizzing the hydraulic winch motor round
and shoving the crane rams about too.
I expect the owners/operators of hugely expensive, hydraulic drive only,
tracked excavators simply dump some more "Hydraulic 32" in them without a
moments concern for Stearic acid or the like and these machines make huge
demands on their hydraulic systems. The hydraulic pressures, flow rates and
stress in Saladins/Saracens/Stalwarts is almost insignificant by comparison.
Richard
Southampton - England
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