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HD5 hydraulic fittings

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Bergie View Drop Down
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Joined: 17 May 2012
Location: Duluth, MN
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bergie Quote  Post ReplyReply Direct Link To This Post Topic: HD5 hydraulic fittings
    Posted: 23 Sep 2013 at 8:14am
Started to replace all my hoses, and realized that the fittings are not JIC. Are they some goofy british standard?
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DMiller View Drop Down
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Joined: 14 Sep 2009
Location: Hermann, Mo
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Post Options Post Options   Thanks (0) Thanks(0)   Quote DMiller Quote  Post ReplyReply Direct Link To This Post Posted: 23 Sep 2013 at 9:05am
SAE, there is a difference.

http://www.google.com/url?sa=t&rct=j&q=&esrc=s&frm=1&source=web&cd=6&ved=0CFEQFjAF&url=http%3A%2F%2Fwww.lenzinc.com%2Ffiledownload.php%3Ffilename%3Dpdf_49d7f998771f6.pdf&ei=4EpAUu66C8LVqAGjiIGACQ&usg=AFQjCNGvg8X17r-gY6S66SjFhXCOiTCO9w&sig2=EUi2OI1U6LfQ0StA7A6IKw

Edited by DMiller - 23 Sep 2013 at 9:08am
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Coke-in-MN View Drop Down
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Joined: 12 Sep 2009
Location: Afton MN
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 23 Sep 2013 at 10:25am
All the original fittings are a tapered end but they are Aerquip fittings which one can buy bulk hose and reuse the fittings on new hoses. I did that for years as I replaced the hoses as they fatigued. Then I made up new ends to use standard tapered thread hoses and now have replaced all hoses with these. 
 As I use all 3/4" or 1"  hose I also found another brand hose that fit the reusable fittings that did not have the cloth outer wrap, these had the same tapered seating surface and threads to fit. Worn areas on the steel lines I ended up brazing a steel patch over any bad or thin spots flowing the brass well into areas under and around patch.

( If you look close the fittings are the same thread and end taper as fittings used for gas piping fittings ) 


Edited by Coke-in-MN - 23 Sep 2013 at 10:27am
Faith isn't a jump in the dark. It is a walk in the light. Faith is not guessing; it is knowing something.
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Bergie View Drop Down
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Joined: 17 May 2012
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Bergie Quote  Post ReplyReply Direct Link To This Post Posted: 23 Sep 2013 at 9:03pm
Thanks guys. I decided to switch everything over to JIC. It was only the four tube ends that were SAE 45 on my crawler.
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