Hydraulic Cylinders

zamboniMan · Feb 9, 2016

So I recently bought a Humbold loader for my 560. The welded cylinders on it are leaking like a sieve and need to be replaced. They have a 36 inch stroke can anyone recommend someplace to get new cylinders or have a method to rebuild the welded ones?

Thanks

Bob · Feb 9, 2016

Are you saying your welded cylinders are REALLY not able to be dis-assembled or that you just haven't found a hidden snap ring/and or not figured out how to remove it?

Dave Sherburne, NY · Feb 9, 2016

Surplus Center
https://www.surpluscenter.com/Hydraulics/

DeltaRed · Feb 9, 2016

"welded" cylinders are rebuildable. There will be some kind of retainer on the gland. Be it a snap ring,set screw,threaded end..... Could be internal,could be external. Look closely,enlist some 'professional' help,or simply take em to a hydralic shop.Repair ing your old ones will be better taan trying to modify something to fit.

jon f mn · Feb 9, 2016

If these guys don't have it you don't need it. Excellent serviceband quick shipping too.
Baileys

zamboniMan · Feb 9, 2016

My local IH shop/service center looked at the cylinders and said that they could not be rebuilt and I needed to buy new ones... I would much rather figure out how to rebuild them instead if it is possible for I greatly dislike having to buy new if I can simply fix something. Is there a site or video that has a good breakdown of how to do it or tell if its' fixable?

Andy Martin · Feb 9, 2016

Post a few pictures. Your friendly dealer may not know what he was talking about, or may just have been wanting to sell replacements.

paul · Feb 9, 2016

Did they mean it was not cost effective to rebuild, as in the shafts are pitted and so forth, or that they don't know how to take apart a cylinder and put in so e new seals and so forth and rebuild them?

I've seen loader cylinders so pitted and holes so egg shaped it didnt pay to rebuild, but every cylinder comes apart somehow with a retainer clip.....

Paul

zamboniMan · Feb 9, 2016

No they said that due to their age they couldn't be rebuilt because they had been welded over where the retainer clip is supposed to be. Maybe they just didn't want to be bothered? The shafts are pretty clean there is some small pitting (slightly larger than the tip of a ball point pen), there are only one or two spots per shaft.

SDMike · Feb 9, 2016

Find a reputable hydraulic repair shop, not the local IH/JD/NH dealer. Most dealers don't seem to want to bother rebuilding older hydraulic cylinders. Took one of my lift cylinders from my JD 48 loader to the JD dealer (5 miles away), told me the kit was obsolete and wanted to sell me the "replacement" cylinder for $$$$. Took the cylinder to a hydraulic shop, $125.00 later I was back in business.

Mike

Russ from MN · Feb 9, 2016

Is that weld in there or just dirt? Clean them up and take another picture!

retired farmer · Feb 9, 2016

I think if they had been welded it would have melted the seal itself.

FBH44 · Feb 10, 2016

Well there's people at the dealers and then there's people at the dealers. I was told be the young new guy at my dealers, fine thread locknuts were the same as coarse-thread lockhuts. See, he told me, they twist right on, then you just have to use pliers. Looked over at the old guy, my favorite, and he just shook his head and went back to work.

Old560 · Feb 10, 2016

Surpluse center

Old560 · Feb 10, 2016

Clean it up then look at it, loos like thats the kind you push in and remove a snap ring.

GVSII · Feb 10, 2016

(quoted from post at 20:21:04 02/09/16) I think if they had been welded it would have melted the seal itself.

Hmmmm-maybe that's why it leaks!

pat sublett · Feb 10, 2016

I think you got the strait story. I don't think, from the picture, it is repairable.

zamboniMan · Feb 19, 2016

Okay so I finally managed to get back to this project. I found that each cylinder has a large snap ring. I have removed these but still can not get them apart. I took some cleaner, better photos. After the snap ring they should just pop right out shouldn't they?

Hydraulic Cylinders

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Bob

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