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Farmall & IHC Tractors Discussion Forum
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Hydraulic cylinder repair and loader question.

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tfringo

01-02-2006 11:31:22




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Hi! I have a hydraulic cylinder off a Wagner loader. It is one of a pair of large cylinders that is used to lift the loader arms. I am rebuilding the cylinders. I need help deciding what to do about one of the rods for one of the cylinders. It has a scratch about 18 inches long running down the length of the rod. Rod is chrome, 2 inches in diameter and about 38 inches in length. Scratch is a few thousands deep and wide enough to fit my finger nail in it. Not a pretty site to see. My options are 1)to dress it and leave it 2) have a new rod made for around $200 or 3) rechrome the rod, uncertain about the cost. Any opinions would be appreciated. I like things to work right. I don't like the idea of it leaking badly but I have never had a loader and I don't know what to expect from it. It is a nice loader and I will be putting it on my Super C after I have it restored. Anyone have any experience having a rod rechromed? What sort of results did you have?

Next question....this loader uses its frame as a resevoir for hydraulic fluid. It has a fill cap which is a simple pipe cap. I believe it was loose to allow as a vent??? Not sure how to approach attaching it to my tractor without potentially starving the pump on the tractor. This loader is made for the tractor, not fabrication. I rebuilt all the hydraulics on my tractor a couple years ago and I don't recall that being a vented system or needing to be vented. But, since the two large cylinders on the loader lift arms are push only, I suspect I need to vent the loader frame. I also suspect the tractor system will be fine as long as the loader frame is filled to the level of the tractor reservior and is not vented. Sorry this is so convoluted but that is the best way I can describe it. Feedback would be appreciated. Thanks, Terry

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Allan in NE

01-02-2006 12:18:54




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 Re: Hydraulic cylinder repair and loader question. in reply to tfringo, 01-02-2006 11:31:22  
Terry,

Just my two-cents worth.

On the cylinder, I would just very lightly dress it down and throw 'er together. Takes one heck of a gouge to make 'em leak to any substantial amount.

If the loader has a tank, it was designed to work via a self-contained system using a PTO pump and completely independent from the tractor. Sounds like you are trying to marry the loader tank to the tractor hydraulics?

You’ve got to choose which system you want to use; don’t tie ‘em together.

Hope ya get 'er goin'

Allan

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tfringo

01-02-2006 12:44:56




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 Re: Hydraulic cylinder repair and loader question. in reply to Allan in NE, 01-02-2006 12:18:54  
Allen,

Thanks for the responce! Terry



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KEB

01-02-2006 15:30:18




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 Re: Hydraulic cylinder repair and loader question. in reply to tfringo, 01-02-2006 12:44:56  
If they are single acting cylinders, i.e., push only, there shouldn't be any oil pressure on the rod side of the piston anyway. The only reason to have a seal on the rod is to keep water & dirt out.

Keith



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tfringo

01-02-2006 18:41:02




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 Re: Hydraulic cylinder repair and loader question. in reply to KEB, 01-02-2006 15:30:18  
Your reasoning is correct except this cylinder uses the rod as the piston. It has a castiron collar on the end of the rod that prevents it from coming out all the way. Real pain in the bottom to take apart. Uses a screw in gland and a large snap ring to prevent the rod from coming out. Terry



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