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Posted: 9/22/2004 6:14:21 PM EDT
Jesus.......
 OK, I have it all blocked up and in the vise. Have the proper wrench. I rarely, if ever can't get something like this loose, but this one has me at a standstill. I am addressing the upper/wrench looking at the ejection port with the muzzle to my right. Should I be pulling up? Or pushing down? I think pushing down, but I could be wrong. HELP!!!!! |
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Posted: 9/22/2004 6:16:46 PM EDT
[#1]
On the ejection port side the barrel should be turning towards you. |
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Posted: 9/22/2004 6:17:07 PM EDT
[#2]
I haven't done it, but as I recall, they are standard threads. Therefore, pushing down.
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Posted: 9/22/2004 6:17:14 PM EDT
[#3]
So up? |
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Posted: 9/22/2004 6:17:54 PM EDT
[#4]
Righty tighty lefty loosy
Read this it will help... http://www.ar15.com/forums/topic.html?b=3&f=4&t=184086 |
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Posted: 9/22/2004 6:18:17 PM EDT
[#5]
Sorry, pushing down.
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Posted: 9/22/2004 6:18:22 PM EDT
[#6]
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Posted: 9/22/2004 6:19:34 PM EDT
[#7]
DOWN.
OK, this motherfucker is TIGHT!!!!!!!!!!!!! |
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Posted: 9/22/2004 6:20:00 PM EDT
[#8]
Ruh Roh, someone did'nt use anti seize compound......
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Posted: 9/22/2004 6:20:10 PM EDT
[#9]
Looking down the barrel, counterclockwise to loosen.
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Posted: 9/22/2004 6:21:47 PM EDT
[#10]
Careful, remember the reciever is only aluminum.
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Posted: 9/22/2004 6:23:33 PM EDT
[#11]
Soak that bitch with some Penetrant like Kroil.
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Posted: 9/22/2004 6:27:13 PM EDT
[#12]
[Kerry] "I voted down BEFORE I voted up" [Kerry]
 Any luck yet? |
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Posted: 9/22/2004 6:28:25 PM EDT
[#13]
12 pound sledge hammer!!
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Posted: 9/22/2004 6:32:38 PM EDT
[#14]
You DID remove the gas tube right??
 j/kLooking at it from the muzzle, rotate the nut counter clockwise. If it's that tight, soak it with liquid wrench or other penetrating oil. Let it sit over night while soaking and try again tomorrow. |
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Posted: 9/22/2004 6:42:02 PM EDT
[#15]
Has your barrel nut been loc-tited to the receiver threads? If you had a free-float tube beneath the handguards this may be the case. If so, pass a torch over it for a bit to break the loc-tite.
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Posted: 9/22/2004 6:48:43 PM EDT
[#16]
+1 haha! Standard procedure should be oil or moly grease on the threads before assembly so the nut doesn't get stuck, right? Maybe someone forgot  |
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Posted: 9/22/2004 6:50:49 PM EDT
[#17]
Well, really, pulling up or pushing down all depends on which direction the handle of the wrench is pointing. If the muzzle is on your right and the wrench handle is pointing away from you, then you need to pull up. If the wrench handle is pointing toward your stomach, you need to push down.
Likewise, if the handle is pointed straight up, then you need to pull the handle toward you. If it is pointed down, you need to push the handle away from you. Repeat as necessary until the barrel nut is completely removed.
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Posted: 9/22/2004 6:52:34 PM EDT
[#18]
Righty tighty, lefty loosy. Dont forget to remove the gas tube.
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Posted: 9/22/2004 6:52:54 PM EDT
[#19]
I agree with Fred-in-PA--I ran into this with trashiestzero's Bushmaster buffer tube. He wanted to add a collaspable stock, and the factory had used a black adhesive on the threads. About 300 degrees F should do it for you. Don't worry about the finish, you'll won't be able to tell a torch was even in the same room when you are done. Do be careful with the receiver vise jaws if that's what you are using because they are polyethylene and don't react to heat very well.
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Posted: 9/22/2004 6:52:57 PM EDT
[#20]
... Heat to no more than 250° to 350°F than try, seriously
ETA out of responsibility: The thermal coefficient of expansion (CTE) for aluminum is about 6 times that of steel. Plus if there's a bonding agent, it will most likely be above its glass transition temperature (Tg) |
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Posted: 9/22/2004 6:57:53 PM EDT
[#21]
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Posted: 9/22/2004 6:59:15 PM EDT
[#22]
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Posted: 9/22/2004 7:00:09 PM EDT
[#23]
Kroil sucks. Liquid Wrench has NEVER failed me. Kroil has. 
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Posted: 9/22/2004 7:24:05 PM EDT
[#24]
Yeah?  I guess I should take that up with LMT. This is a factory assembled upper. |
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Posted: 9/22/2004 7:27:39 PM EDT
[#25]
No penetrating oil. I'll let some regular oil soak down there tonight.
I went to my dad's vise and used a 2.5' bar to get some leverage. This fucker DID NOT budge, not even a little. I did not do after it too hard, realizing it was aluminum.......if regular oil doesn't work I will go and get some penetrating oil tomorrow. Fuck! Just trying to disassemble the upper to sell the pieces off.
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Posted: 9/22/2004 8:56:01 PM EDT
[#26]
Can you contact the Gun Maker by email or phone and ask how they installed the barrel and if any locktight was used?
Maybe if you put it in the freezer overnight and tomorrow heating the barrel nut up with a hair dryer will expand it enough to loosen. Different metal expand and contract at different temps and may work. If there's locktight or something on the threads, this will not work as you know. If this doesn't work, try the penetrating oil and soak it with the oil. I'd use extreme heat as last resort. Good luck. |
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