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Implement Alley Discussion Forum

NH 477 hydraulic cylinder type4

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StuBC

01-07-2006 18:20:20




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Can anyone tell me what is the correct or will work cylinder size for my 7' NH 477 haybine. My new to me did not come with one and my manual is not here yet. Why would it take 3 weeks, I can get one ebay right now. Anyway, I could wait, but I wonder if my 10" stroke 3" bore cylinder will work. Not too familiar with sizing these things up. Its in travel mode (high) with the lock pin on, no cylinder in. I think that is collapsed in terms of cylinder position? If so, I can measure that, I just need to know how much push I need I guess. Any help would be appreciated, I have a good respect for hydraulic power so I dont want to force anything or pressure anything that neednt be.

Stu

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StuBC

01-08-2006 09:19:56




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 Re: NH 477 hydraulic cylinder type4 in reply to StuBC, 01-07-2006 18:20:20  
I just went and took a look. It is a 3" bore, 10" stoke. Its collapsed pin center to pin center length is 20".

Too big/long? My 720 diesel has auto up and auto down hydraulics so I know that if I make a single mistake with the lever by not being careful, it will push the ram to max in or out. Murphys law would have that happen.

Thanks guys,

Stu



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Jimmy King

01-08-2006 08:08:10




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 Re: NH 477 hydraulic cylinder type4 in reply to StuBC, 01-07-2006 18:20:20  
We always used a 3x8 on 461,469,479,and 495. Are you sure yours is not a 3x8 instead of a 3x10. A 3x8 will raise them to the top.



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JMS/MN

01-07-2006 21:23:53




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 Re: NH 477 hydraulic cylinder type4 in reply to StuBC, 01-07-2006 18:20:20  
The standard stroke for most cylinders on that type of machine is 8 inches- moco, plow, discbine, disc, field cultivator, mower, planter, etc. Diameter needs to vary according to the load and the psi needed for the lift (weight). Typically, diameter is 2-3 inches. Do not put a 10 inch stroke cylinder on it. Make sure your cylinder will handle the max psi of your tractor. Sevenfoot moco is not that much of a load- either 2 or 3 inch x 8 ,3000lb cylinder will work.

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old

01-07-2006 20:29:54




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 Re: NH 477 hydraulic cylinder type4 in reply to StuBC, 01-07-2006 18:20:20  
My guess and thats all it is. Would be yes. I have a 460NH and I think is has an 8 inch stroke on it but not sure. Just watch out for over doing the lift, I.E. just lift it slow and as far as you need to and don't push it, to hard



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old

01-07-2006 20:29:03




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 Re: NH 477 hydraulic cylinder type4 in reply to StuBC, 01-07-2006 18:20:20  
My guess and thats all it is. Would be yes. I have a 460NH and I think is has an 8 inch stroke on it but not sure. Just watch out for over doing the lift, I.E. just lift it slow and as far as you need to and don't push it, to hard



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StuBC

01-08-2006 09:01:47




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 Re: NH 477 hydraulic cylinder type4 in reply to old, 01-07-2006 20:29:03  
I will go out right after breakfast and see its length. Its quite new so its markings will be clear.

One question in my mind to get still is the collapsed o/o length. In princess auto I see a lot of lengths options. IS there one for this one?



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old

01-08-2006 09:15:01




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 Re: NH 477 hydraulic cylinder type4 in reply to StuBC, 01-08-2006 09:01:47  
Well believe it or not the cylinder was an add on not factory part for these MOCOs. Two thing to watch is if it will drop low enough and that it will not open to far, unless you watch it close the opening to far isn't a big deal but you could brake things if you didn't watch thing with one that is to long. When I first started useing my NH 460 it had a piece that looked like a center link for a 3 point in place of a cylinder. If you need to raise the machine you had to get off the tractor and raise it by hand. It was a pain but it worked.

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