[AT] One-way cylinder

[Dennis Johnson]

Brad,

If your tractor valve has a float position, then it will work a single acting cylinder. Without a float position I do not thing it will work.

Dennis


Sent from my iPad

> On Sep 6, 2016, at 5:35 PM, Alan Nadeau <ajnadeau1 at myfairpoint.net> wrote:
> 
> I just had the opportunity to review that exact hookup in the operators 
> manual that came with a NH 3930 that we bought at my shooting club.  Ford 
> says to hook a single acting cylinder to the port for the lower function (if 
> it were double acting)to extend then use float to lower.
> 
> I'm wasted with hay fever right now so I'm pretty fuzzy but I'm also 99% 
> sure I remember it right.  By using the "lower" port you don't have to go 
> through neutral to get the SA cylinder into lowering.
> 
> 
> ----- Original Message ----- 
> From: "Dennis Johnson" <moscowengnr at outlook.com>
> To: "Antique tractor email discussion group" <at at lists.antique-tractor.com>
> Sent: Tuesday, September 06, 2016 5:15 PM
> Subject: Re: [AT] One-way cylinder
> 
> 
>> Brad,
>> 
>> My guess is that you could need to first connect another valve that would 
>> let the flow dump from the same port to let the cylinder retract.
>> 
>> Dennis
>> 
>> Sent from my iPad
>> 
>>> On Sep 6, 2016, at 4:05 PM, Gunnells, Bradley R <brad-gunnells at uiowa.edu> 
>>> wrote:
>>> 
>>> The other day while mowing hay the Select-O-Speed in the trusty old Ford 
>>> started to slip. So not sure what’s up with that tractor yet. On my mower 
>>> conditioner I have a cylinder that’s setup as a simple one-way cylinder. 
>>> I’d like to keep it that way as I have a WD-45 I’d like to use on it at 
>>> some point.
>>> 
>>> For the time being I thought I’d use the John Deere 2640 (late 70’s 
>>> machine) but wondered if I can use the cylinder with just the single 
>>> hose? I assume I can plug it into the lift port to raise it and then drop 
>>> the handle to the float position to bring it back down? I didn’t see 
>>> anything in the manual that addressed this type of use.
>>> 
>>> Thanks for any thoughts.
>>> Brad
>>> 
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