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Made up some hoses , repaired steel tube on the Ford


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#1 Alc ONLINE  

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Posted September 26, 2015 - 08:36 PM

Now the the Ford 3400 runs 

http://gardentractor.../48584-it-runs/

now need to repair some hose and the steel line on the hoe . Went above the garage to dig out all the 3/8" and 1/2" hoses , some new , some new some with just one end attache . DSCN1856.JPG

to make up hydraulic hoses without a crimping machine I used "field attach " or sometimes called" reusable "

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The larger outer shell has left hand course thread that you install on the hose first , at work we have nice tools  to hold the hose from turning but at home I clamped the hose in a vice just tight enough to keep it from turning once the outer shell is almost bottomed out you put the outer shell in the vice , lube the part that has the taper on it and screw it in until it bottoms on the shell .I didn't have the correct 37* jic fitting for the one valve , too small so I removed the ASE O-ring/jic fitting and used a 37* jic/male pipe , to use the jic in a O-ring , you need to make sure there is enough depth and use the correct  ASE o-ring , they are a little different the the hardware store size , trust me you can put them on , usually just a little bigger in dia. but they will  blow out lol .DSCN1866.JPG

Went through my hose pile and replaced ones what would work

Then came the steel line .

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Removed the whole section , cleaned and ground a V , first pass with the mig to seal and a few more to build it up , sanded smooth , a little primer and it was ready to drive closer to the garage for a power washing .

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Next will be to try putting air in those loaded rear tires .

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#2 JBRamsey ONLINE  

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Posted September 26, 2015 - 08:55 PM

You're trusting a welded steel hydraulic line?? You are braver than I am.

#3 Alc ONLINE  

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Posted September 26, 2015 - 08:59 PM

I trust it as much as the hoses , they can fail at any time .
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#4 shorty ONLINE  

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Posted September 26, 2015 - 09:00 PM

That sure takes a good steady hand to do lines. Had a mechanic try it one time, but the bead looked rough and only lasted a couple days. Yours looks good.

#5 Alc ONLINE  

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Posted September 26, 2015 - 09:04 PM

Thanks but my welds should be better , I need to get reading glasses to do close up work instead of bifocals .
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#6 backyardtinker OFFLINE  

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Posted September 26, 2015 - 09:07 PM

You're trusting a welded steel hydraulic line?? You are braver than I am.

as long as he got all the cancer out of it and got good penetration on the weld, I would think it should be o.k. MIG weld should be good for somewhere around 70,000 P.S.I. tensile strength if I remember correctly. Hopefully the repaired section was in a location that if it failed it wouldn't spray high pressure fluid at anyone.



#7 JBRamsey ONLINE  

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Posted September 26, 2015 - 09:20 PM

I ran a test lab for ten years that used extremely high pressure hydraulics. After hearing stories from the installers about people losing limbs from hydraulic line ruptures, it puts the fear of God in you. Even if you're not cut by the spray, penetration in your body by hydraulic fluid is not good either. I wish you luck.

#8 Jazz ONLINE  

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Posted September 26, 2015 - 10:01 PM

Thanks but my welds should be better , I need to get reading glasses to do close up work instead of bifocals .

A cheater lens in your welding shield might be easier and better clarity for welding than readers. Bifocals are terrible for welding. IMO


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#9 Alc ONLINE  

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Posted September 27, 2015 - 05:18 AM

It didn't dawn on me for all the concern about weld the steel tube. It didn't split while it was being used . Somehow it happened in the years sitting there ! It almost seem like the hydraulic fluid froze like a water pipe . I've never come across this so if anyone has an explaination I would love to hear it .

#10 MH81 ONLINE  

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Posted September 27, 2015 - 06:40 AM

Al, it almost had to be water. Son of a gun if I know how it did it there... But it almost had to be water.
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#11 JD DANNELS OFFLINE  

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Posted October 01, 2015 - 11:16 PM

I am not a real welder and would not try that. However Have no doubt a good welder could. The filler I believe tests 70,000 psi tensile strength, and even braze tests 60,000-80,000. So the filler is probably tougher than the tubing.

#12 olcowhand ONLINE  

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Posted October 03, 2015 - 01:18 PM

A cheater lens in your welding shield might be easier and better clarity for welding than readers. Bifocals are terrible for welding. IMO

Bifocals are awful to weld with IMO also.

#13 dodge trucker ONLINE  

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Posted October 03, 2015 - 04:50 PM

Is this pipe that was welded back together a pressure or return line? Return side has much less pressure in it than pressure side, may not be as big of a deal as some are making it out to be.  Me? If I was doing the welding, I wouldn't chance it for pressure but would not be afraid of doing so on the return side.



#14 Alc ONLINE  

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Posted October 03, 2015 - 07:21 PM

Its for the bucket , relief pressure is under 2000 psi , to be honest the hoses that I didn't replace will probably blow first
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#15 shorty ONLINE  

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Posted October 03, 2015 - 07:51 PM

If it isn't right next to the operator's seat, it wouldn't worry me. Having been around construction equipment half my life, I have learned not to sweat things that might or could happen.




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