Page 2 of 2 FirstFirst 12
Results 11 to 13 of 13

Thread: Carrier Key gas leak

  1. #11
    Join Date
    Dec 2009
    Location
    Utah
    Posts
    8,422
    Feedback Score
    3 (100%)
    Quote Originally Posted by ronterry View Post
    Just a friendly reminder to torque them to proper spec - lubed before staking.
    Torquing a bolt dry can give you false readings from gauling...
    Is this a problem with carrier keys? Some bolts are spec'ed to be torqued with a lubricant applied to the threads, some are spec'ed to be torqued dry

  2. #12
    Join Date
    Jun 2006
    Location
    NoVA
    Posts
    10,780
    Feedback Score
    17 (100%)
    On carrier keys to ensure that they are sealing correctly here's how I do it:

    Remove carrier key.
    Discard old screws.
    Degrease carrier and key.
    Lap the bottom of the key on a course stone I have. This removes the finish from the bottom of the key and makes sure that the key is perfectly flat.
    Clean off the key.
    Apply a little Rocksett to the bottom of the key and set it on the cleaned off carrier.
    Install new carrier key screws hand tight.
    Torque each to 50-55in lbs (I torque the front one first).
    Stake with a MOACKS, you don't have to use a MOACKs but it makes the job very easy and very fast.
    If the staking caused large burrs to stick up above the key I dress then down a little with a stone/file.

    I've never had a single one come lose nor leak using this method.
    Chief Armorer for Elite Shooting Sports in Manassas VA
    Chief Armorer for Corp Arms (FFL 07-08/SOT 02)

  3. #13
    Join Date
    Oct 2006
    Posts
    253
    Feedback Score
    0

    i had this happen 2 years ago as well !

    Quote Originally Posted by bkb0000 View Post
    red loctite should be the only lubrication on the threads
    i cleaned the Y/M bolt carrier with brake cleaner -no damage to flat area ,where the gas key fits .got a new gas key from Y/M ,it came with two bolts and high temp red loctite . with info on how to-tighten to 35 inch pounds -red loclite put lightly on under side of the key as well on the threads ....well today i shot the weapon yes i have been working too long on other thing ---flawless working now ....

Page 2 of 2 FirstFirst 12

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •