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Implement Alley Discussion Forum

hydraulic cylinder

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cowmansam

08-15-2003 08:41:15

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I had been bushhogging with farmall 806 and my 10 ft woods and everything was fine. I got a c50 CIH started using it. When I let the bushhog down it busts the things that keep the cylinder from going all the way down.They are the aluminum ones that snap around the rud.

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Jim B

08-16-2003 04:19:34

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Re: hydraulic cylinder in reply to cowmansam, 08-15-2003 08:41:15

cowmansam,If I understand correctly you have two hoses going to cyl.disconnect the hose that pulls mower down,put breather in hole hose was connected to on cyl.gravity will lower mower and your breaking problem is GONE.Thats the way the 10ft Bushhog that I use is rigged and it works great.Jim B

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COWMANSAM

08-16-2003 14:21:31

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Re: Re: hydraulic cylinder in reply to Jim B, 08-16-2003 04:19:34

Thanks for the info. I TOOK OFF THE DOWN SIDE HOSE AND PUT A PLUG WITH A SMALL HOLE IT IN THAT HOLE. Now when I raise it all the way up a small amount of oil will squirt out the little hole in the plug. Is this normal? Will this stop doing this after awhile?

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Nebraska Cowman

08-15-2003 17:12:36

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Re: hydraulic cylinder in reply to cowmansam, 08-15-2003 08:41:15

I wouldn't try something in place of the alluminum. you will only break something worse. Something is wrong. Unless it is just the style of cylinder you are using. Do the aluminum spacers have a good flat surface where they are squished?

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paul

08-15-2003 11:44:51

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Re: hydraulic cylinder in reply to cowmansam, 08-15-2003 08:41:15

I will assume you have a 2-way hydraulic system (using 2 hyd hoses, up & down pressure), and you are using it as such.

The tractor should have a detent that, when it hits a high enough hyd pressure, it will center the hyd lever on it's own and stop moving the hyd. You are not holding the lever manually? I know nothing about your tractor, but perhaps it has settings to overide the detent kick-back, so it can apply full power to implements with their own hyd controls - like a wood splitter, backhoe, etc. Perhaps you can find this in the manual?

Something must be wrong with that setting/ valve/ detent on your new tractor, or you have a 2-way cylinder with a 1-way valve or the other way around or some such incompatability.

Can you tell us more of what you have, and how things are configured?

--->Paul

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cowmansam

08-15-2003 14:32:48

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Re: Re: hydraulic cylinder in reply to paul, 08-15-2003 11:44:51

It has a two way cylinder.I am not holding down the lever. I am only trying to let it down to bump the stops. Is there any other kind of spacers that bolt on or has anybody made something to use. It seems that when I was a kid my dads cylinders had some kind of a ring that had a set screw or something.

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paul

08-15-2003 20:27:33

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Re: Re: Re: hydraulic cylinder in reply to cowmansam, 08-15-2003 14:32:48

I'd try to figure it out before putting something harder in place of the aluminumn. What breaks next???? :)

The clamp-on deal you are talking about is for IHC cylinders. They have a little pin that gets depressed to control cyl depth. Do you have that type of cylinder? Are your control segments hitting that pin? As these cylinders will continue to push until that pin is pushed in, or they reach the end of their stroke....

--->Paul

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markct

08-15-2003 16:38:58

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Re: Re: Re: hydraulic cylinder in reply to cowmansam, 08-15-2003 14:32:48

why are ya using the spacer things anyhow? is the cyllinder too long for the aplication? if thats the case you can usualy unscrew the clevis on the end and cut a piece of pipe that fits over the rod and just make sure its square on the ends and it makes a great stop, did that for a swing cylinder on a baler kicker once

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Tim(nj)

08-15-2003 17:09:24

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Re: Re: Re: Re: hydraulic cylinder in reply to markct, 08-15-2003 16:38:58

Those stops are for depth control (or in this case cutting height control). How fast is the cylinder retracting? Many new tractors have high flow rates that can really slam things around. Is there a flow control on that valve?

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satish

08-27-2003 11:48:25

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Re: Re: Re: Re: Re: hydraulic cylinder in reply to Tim(nj), 08-15-2003 17:09:24

information hydraulic cylinder

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Mike

08-15-2003 10:55:47

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Re: hydraulic cylinder in reply to cowmansam, 08-15-2003 08:41:15

I'm no hydraulics expert but is it maybe pressuring up and busting the rings? Is there two hoses going to that cylinder? If so, then you are putting pressure on the down side of the cylinder when you let it down. Maybe try turning off the tractor when you let it down. It should go down and not apply pressure doing so.
Just thought I would take a guess at this one.
Good luck.

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