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I'd love to see more photos from the 1964-66 era if anyone has them, especially if they more specifically show the AN fittings we saw (more of) later. |
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I have more photos, but you'll have to take my word for it. Blue was used in the day. |
Word taken. Thanks.
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You can also use TSP which is powdered product that can be found at Home Depot. It is mixed with water and heard in a pan on the stove, drop the fittings in an stir for a few minutes. It's not as aggresesive as oven cleaner.
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You guys better be thinking about how those hose ends are made before you start putting any kind of chemicals on them, especially strong caustic stuff.
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I'd certainly keep the chemicals off the threads and mating surfaces. Perhaps screw them to a junk fitting to keep the cleaner away from those parts.
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there is a retainer ring behind the b nut that holds it on the hose end---the an fittings are of a higher quality thread with a radiused V and are aprox 40% higher strength than the non a/c AN type generally accepted fittings---commercial JIC type fittings are also 37* and with the same thread pitch but are not AN standards
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So what was the original hose size and material? Did they use braided steel or did they use rubber or something else?
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I wouldn't use tape for fear of plugging something. If you need to use a sealant use a paste sealant like PST from Loctite or ARP thread sealer. Only use just what you need in just the right place. Originals used JIC's on most fittings but they are big (-12) and step down to a 5/8 ID rubber hose so you have something manageable for size and routing. It was aircraft sourced I believe.
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I hope this isn't a stupid question but what is a JIC?
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http://en.wikipedia.org/wiki/JIC_fitting |
As wiki says very similar to AN. The -12AN interchanges with a JIC-12. You see most AN in anodised ally and most JIC in plated steel. JIC is usually associated with commercial and industrial where AN is Army Navy mil spec type hardware.
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What type of hose did they use? Was it a basic hydraulic hose like I could have made at NAPA?
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JIC is 37* fittings in the commercial/industrial type hose like on farm equipment, bulldozers/construction equip, or hydraulic systems in factories, etc
It is BIG, HEAVY and with its outter covering and thick material is good for uses where abrasion or continual bending(like on a loader/dozer) makes it very durable. AN is 37*, fittings made from aluminum, anodized blue(part of the identification) has a higher quality/class of thread and is 40-50% stronger than JIC--- AN hose has various linings, and outer layer is braided stainless----generally used in aircraft/aeronautical and race cars where strength, lite weight, and safety are concerns(fuel, oil, hydraulic leaks) |
JIC stood for ... Joint Industrial Council , which no longer exists . It was a group that was formed to come up with electrical , pneumatic and hydraulic standards for those industries . One of those standards pertained to hydraulic fittings ... specifically the 37 degree flare hose fitting/connector .
Bob |
Thanks Bob
I been around aircraft and race cars for 50 years and didn't remember where the industrial standard came from |
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