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Posted: 7/9/2003 2:45:11 AM EDT
[#1]
The torque reading of 35-39 ft-lbs is actually taken using a torque wrench along with a combination wrench. The combination wrench is designed to be used with both receiver extensions and barrel nuts and has a 1/2" square drive opening for torque wrenches or breaker bars...
The TM 9-1005-319-23 Unit And Direct Support Maintenance Manual shows how to do it... You can download it in .pdf format here, right mouse click the link and select 'save as' to download it as a file to your computer: [url]www.ar15.com/content/books[/url] |
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Posted: 7/9/2003 7:24:33 AM EDT
[#2]
Thanks. I guess I was trying to avoid having to buy the $25 combination wrench. Maybe it's worth to have on hand anyway.
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Posted: 7/9/2003 8:03:56 AM EDT
[#3]
Quoted: Thanks. I guess I was trying to avoid having to buy the $25 combination wrench. Maybe it's worth to have on hand anyway. Ok Midway has them for $12.75, I'll quit whining. Thanks again. |
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Posted: 7/9/2003 8:07:36 AM EDT
[#4]
Buy a cheap 5/8" 'crowsfoot' for your torque wrench. It looks like a super short open end wrench with a square hole to attach to the square drive of your torque wrench.
Or just guess at the torque with your conventional end wrench. If your wrench is 6" long, then give it a 70 lb pull. |
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Posted: 7/9/2003 8:19:24 AM EDT
[#5]
Quoted: Buy a cheap 5/8" 'crowsfoot' for your torque wrench. It looks like a super short open end wrench with a square hole to attach to the square drive of your torque wrench. Or just guess at the torque with your conventional end wrench. If your wrench is 6" long, then give it a 70 lb pull. Yeah thanks! That's the kind of tip I was hoping for. |
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Posted: 7/9/2003 8:33:37 AM EDT
[#6]
Is tourque really a huge issue I just put mine on tight with a box wrench , and 1500+ rounds later its all still good.
I can understand on the barrel nut. |
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Posted: 7/9/2003 9:25:33 AM EDT
[#7]
Quoted: Is tourque really a huge issue I just put mine on tight with a box wrench , and 1500+ rounds later its all still good. I can understand on the barrel nut. Exactly |
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Posted: 7/9/2003 9:33:29 AM EDT
[#8]
How about "hand-tightening" for free? Mine has never come loose...
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Posted: 7/9/2003 10:11:35 AM EDT
[#9]
Some folks use a strap wrench, with no problem. I did mine with a cheapo strap wrench, which I ended up tossing out as soon as I got done...I figure it's on there about as tight as I could get it by hand heheh.
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