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Old 08-12-2018, 04:06 PM   #1
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Propane line

Hey All,
Something chewed through my main propane line. I removed the end that attached to the regulator no problem but the end that attaches to the manifold that distributes propane ti the stove , fridge ect.. won't budge. I can see a red substance on ti which I assume is just thread sealer. It wouldn't be red loctite would it? Have any of you replaced this line? Is there a trick to it? Being a propane line I'm a littler reluctant to use heat in case there is some residual gas in the lines.
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Old 08-12-2018, 04:13 PM   #2
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Welcome to the forum.

I've never replaced a line, no clue about the red stuff, and I understand not wanting to use heat!
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Old 08-12-2018, 04:52 PM   #3
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I’m sitting in the same scenario on our Starcraft. I remember reading a thread similar where they ended up using heat. I’m a bit nervous about that because the fitting underneath is near the underbelly plastic and spray foam...
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Old 08-12-2018, 05:31 PM   #4
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Most connections are on a brass fitting and will be tight, so spray some wd40 on it and it will come loose. But the magic is also to use the proper tools.
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Old 08-12-2018, 05:45 PM   #5
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Sure could be a combination thread sealant and thread lock product.

One option is to try to tighten it a smidgen, and then it should loosen just fine. Or use a good penetrating oil. WD40 isn't my favorite, PB blaster or similar would be more effective.
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Old 08-12-2018, 06:38 PM   #6
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Do you have a flare nut wrench for the fitting? If not, get one or you could cut the line close and use a box wrench (six point preferred) on the fitting. You'll be able to put a lot more force that way without risking rounding the fitting.

IMO, don't use an open end wrench or an adjustable wrench.
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Old 08-13-2018, 03:39 AM   #7
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Thanks all. I am a machinist/moldmaker and sprayed it with a product we use called Aerokroil. Works like magic compared to wd-40 or even PB blaster. I won't be able to get back to it for a day or two but I will update.
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Old 08-13-2018, 06:33 AM   #8
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This came up recently. It's red loctite. A heat gun might get it hot enough to release without open flame. Either that or muscle it loose.

https://www.jaycoowners.com/forums/f...ion-59001.html
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Old 08-19-2018, 01:31 PM   #9
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Got it!

So I bought a set of flare nut wrenches and guess what. They stripped the nut too. I tried using just a heat gun but that didn't do anything. Since I had to cut the hose off to get the flare nut wrench on I sprayed it inside and out with a good dose of the Areokroil stuff I mentioned. Let it sit for a minute the went under with a good size pipe wrench and a good sized adjustable. Put the pipe wrench on the stripped nut and the adjustable on the aluminum manifold and cranked as hard as I could without busting a nut and she broke loose.
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Old 08-19-2018, 01:37 PM   #10
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Yup, the old, 'don't force it, use a longer lever' method!
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SOLD:2015 Jay Flight 27RLS, GY Endurance (E), Days: 102 '15, 90 '16, 80 '17, 161 '18, 365+ '20
SOLD: 2006 Ford F350 PSD, 4WD, CC, LB, SRW, Camper pkg., 375,000mi
Full timing: Some will think you're crazy, some will be envious, just enjoy the freedom!
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Old 08-26-2020, 09:40 AM   #11
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I know this thread is old but thought I would add my solution. Had the squirrel issue too. Seeing the red locktite (after reading this thread) I cut the line in front of the fitting so a socket would fit over it. Then I used a battery impact driver to remove the fitting. Easy peasy,,,,came right out. Did the same with the quick connect line that the tree rat got too.
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