DIY hydraulic hose repair

550Doug

Member
Location
Southern Ontario
I've been told that years ago you could buy hyd adapters that would attach to a piece of hyd hose without crimping, but by screwing into the braided wire inside the hose. Right now I could use something like that as I've got a hose rupture on an old MF backhoe, and I cannot get one end off the machine without destroying the steel tubing on the end.

I suppose another option could be a small handheld portable crimper.
Any ideas?
Thanks
 
They made one too that was a barbed fitting that had a two piece clamp that held it,but I don't know where you can get them anymore. Used to be Tractor Supply was the place to get them,but that was then,this is now.
 
To add to Moresmoke?s response , the re-usable fittings will
indeed get the job done IF installed correctly..

You may want to practice on a chunk of hose till you get a
feel for how they work, you have two pieces that make up the
fitting. They are the portion that will first slide onto the end of
the hose you wish to repair (this piece has left hand course
thread inside designed to grasp the outer sheath of the hose.
The other piece of the fitting will screw (right handed) into the
first fitting and at the same time the barb portion will begin
entering the hose while tightening... Basically you want to
start the 1st fitting a couple of turns (left hand) onto your hose
, then if it feels secure you may then start the 2nd fitting into
the first being careful to ensure the barb is entering the hose
without pulling the first fitting off the hose.. Not that hard to do
once you?ve done a few but they can be difficult..
 
My father used 2 types, one you screw the inside piece into the hose and then there was heavy duty clamp with bolts in it that held it in,
those we could repair right out in the woods when logging. The other type like Moresmoke linked to we did in the shop in a vise. I think both
styles of fitting were good to 2500 psi.
 
use to do a lot of those. as was said screw on outer, left hand, and lube up inner, we used hyperlube, and then smack it in with a rubber mallet and start threading it in, right hand.
 
I repaired a lot of hydraulics hoses on a log truck right out on the landings with just a sharp axe and a couple of adjustable wrenches. When the Boss went with the crimp-on, I carried a few extra hoses of different lengths. Was good enough till I got back to the shop.
 
The trucking industry uses a lot of reuseable fittings.I have some here. They work well.Go talk to 'truck shop',or find an outfit that deals in hydraulics as their specialty.
 
Those were called Aeroquip fittings,I believe.When I was still working on trucks(retired 2015),we had not used them in many years.Mark
 
If space is not an issue and you can get to the end with the steel tube attached easy enough, a hammer is your friend. By that I mean back up the fitting with a hammer, etc, and then work around the flats giving it as hard of a hit as you can. It won't hurt if you soak it in penetrating fluid for a few days prior, but you'd be amazed what the hammer action will do toward letting it come loose.

If you can't get an actual hammer to it, an air hammer tends to work pretty good too, just use a blunt tool and avoid damaging the nut to the degree you can't get a wrench on it.

I've done it both ways on fittings that "were not coming apart"...I haven't had one yet that didn't with a bit of TLC.....and a big enough hammer....LOL
 

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