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Old March 03, 2019, 20:21   #1
killerjackni
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Question Need help on removing gas tube nut

Hello, I just got an R1A1 build by Century that I have problem on removing gas tube nut. It's an inch pattern gun use Aussie L1A1 parts so I beleive it's left lousy. I tried to use bronze punch on the flats to screw, ended up break the punch and almost destroy these flats' edges. Now I soak these parts in WD40 hope it can get penetrated into it. I just wonder is there any other way to remove stucked gas tube nut? I borrowed an ultrasonic cleaner from my friends, with few gallons of gun parts cleaner solution. Is this gonna work?
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Old March 03, 2019, 20:29   #2
pl521
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Applying heat might help.
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Old March 03, 2019, 20:34   #3
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A gas nut wrench is key. If you’re not able to get it loosened with a punch, soak it with a penetrating oil. Gas tube nuts are available so if it takes a pipe wrench...it takes a pipe wrench.
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Old March 03, 2019, 20:52   #4
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A rag and channelocks ..... if it's already chewed up channelslocks with extreme prejudice.... they can be stubborn little fuckers...especially when cranked into out of spec holes.
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Old March 03, 2019, 21:56   #5
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Could you provide some pictures of it? It will easier to understand the problem and provide some hints.
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Old March 03, 2019, 22:03   #6
killerjackni
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Quote:
Originally Posted by jam762 View Post
A gas nut wrench is key. If you’re not able to get it loosened with a punch, soak it with a penetrating oil. Gas tube nuts are available so if it takes a pipe wrench...it takes a pipe wrench.
Where can I get a solid gas nut wrench? I'm consider to get a DSA one, but I heard it's a pretty crap copy, and I didn't see any other choice on the market.
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Old March 04, 2019, 10:00   #7
Southern 7.62
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I've been using an M14 flash hider nut wrench (not sure about the correct name) with good success. I think I got mine from Midway USA.
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Old March 04, 2019, 10:14   #8
jam762
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Mark has the 5 in stock according to the link below.
https://arizonaresponsesystems.com/p...le-nut-forged/
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Old March 04, 2019, 16:07   #9
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Thanks, I'll check that.
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Old March 04, 2019, 19:59   #10
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Quote:
Originally Posted by killerjackni View Post
Hello, I just got an R1A1 build by Century that I have problem on removing gas tube nut. It's an inch pattern gun use Aussie L1A1 parts so I beleive it's left lousy. I tried to use bronze punch on the flats to screw, ended up break the punch and almost destroy these flats' edges. Now I soak these parts in WD40 hope it can get penetrated into it. I just wonder is there any other way to remove stucked gas tube nut? I borrowed an ultrasonic cleaner from my friends, with few gallons of gun parts cleaner solution. Is this gonna work?
Uhm… Gas tube nut is RH thread. If you're thinking it's left hand thread you just done cranked it tighter.
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Old March 05, 2019, 00:03   #11
killerjackni
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Originally Posted by 12v71 View Post
Uhm… Gas tube nut is RH thread. If you're thinking it's left hand thread you just done cranked it tighter.
Even for an inch pattern rifle? I'm really unsure right now.
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Old March 05, 2019, 00:13   #12
killerjackni
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Originally Posted by Airforce1 View Post
Could you provide some pictures of it? It will easier to understand the problem and provide some hints.




Here is some picture for you sir. It's now soaked in WD40 for 3 days. There are still you some remains from my bronze punch in these notches.
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Old March 05, 2019, 01:48   #13
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Originally Posted by Southern 7.62 View Post
I've been using an M14 flash hider nut wrench (not sure about the correct name) with good success. I think I got mine from Midway USA.
I have used an old set of USGI M14 castle but pliers for a this task, almost since the day one I had to remove my firstborn gas tube nut. Works like a charm. An over night soak w/PB blaster followed with some heat is helpful when removing stubborn gas tube nuts.
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Old March 05, 2019, 05:18   #14
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If I'm seeing those brass marks correctly you are going in the wrong direction....



Should be going counterclockwise

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Old March 05, 2019, 05:47   #15
killerjackni
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If I'm seeing those brass marks correctly you are going in the wrong direction....



Should be going counterclockwise

Well, seems I made a very stupid mistake...Not bad for the first FAL I have ever dealt with.
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Old March 05, 2019, 06:30   #16
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Righty tighty, lefty loosey; unless it is on the end of the barrel (could be either way).
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Old March 05, 2019, 09:08   #17
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The correct style wrench is the only tool that wont F up the notches if it is tight. Placing a couple drops of oil around the front of the nut and leaving the rifle muzzle up in the safe for a week sometimes helps.

I usually try to remove sharp edges with a jewelers file and soften the 'tooth' of the wrench by annealing with a propane torch. Then I cover the parts that touch the nut with thin tape. You can argue that this is pointless but I've gotten a couple of really stuck ones off without marring the FN factory finish.

https://www.dsarms.com/p-12156-dsa-f...nt-wrench.aspx
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Old March 05, 2019, 10:06   #18
lockjaw
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I have never boogered a gas nut using a set of M14 castle nut pliers.

I have seen plenty of gas nuts damaged by the improper use of “correct” tools.

I have removed plenty of chewed up gas nuts that couldn’t be removed with the “correct” tool, without incurring further damage.

Give it a try. You might learn something new.
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Old March 05, 2019, 14:44   #19
killerjackni
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Thank you guys for all the suggestions and help. I finally get this little bastard out of the receiver. Just use a torch and a small punch and I'm good to go. So bad I ruined some of the finish on the nut before.
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