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Hammer not cocking |
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Mmr61184 
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Joined: May 01 2021 Location: CT Status: Offline Points: 19 |
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 Topic: Hammer not cockingPosted: May 02 2021 at 10:51am |
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just bought my first carbine and completely broke it down to get all of the old grease and junk off and get it looking and functioning nice. Everything went back together no problem when I go to rack it the hammer won’t stay cocked. If it take it out of the stock and pull back real hard I can the hammer to stay back 30% of the time but never while in the stock. Did I do something wrong reassembling? Is it the springs. I have a video for reference
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W5USMC
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Joined: Apr 29 2017 Location: Missouri Status: Online Points: 2737 |
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Posted: May 02 2021 at 11:29am |
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Same issue was just discussed on MILSURPS, check out the below thread for answers.
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Wayne
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New2brass
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Dan Pinto, Photo Editor Joined: Nov 29 2015 Location: CT Status: Offline Points: 4321 |
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Posted: May 02 2021 at 11:31am |
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check you have the trigger spring in correctly, it looks like the triggers is not reset. if not take out the trigger sear and sear spring. Assemble out of the housing. Check the sear function. the sear should push back as well as pivot
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GotSnlB28
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Posted: May 02 2021 at 12:08pm |
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I think Dan's right. Tip on easy assembly, cut a Q-tip the width of the trigger, that allows you to assemble the trigger, sear spring, and sear outside of the housing. Then just push the Q-tip out with the trigger pin. Insert the trigger spring at 90 degrees and over the shelf at the top rear of the trigger, rotate 90 degrees into place.
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Mmr61184
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Posted: May 02 2021 at 1:01pm |
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that trigger spring is a pain in the ass to get in think that was the hardest pet of reassembly. Is it possible I messed it up squeezing it back into that hole
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W5USMC
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Posted: May 02 2021 at 1:20pm |
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@ Mmr, if you do not have the trigger spring tool you can use an empty carbine bullet casing, spring is inserted through the hole in the back of the housing.
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Wayne
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GotSnlB28
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Posted: May 02 2021 at 1:21pm |
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If you don't have the GI trigger spring tool a bic pen body will work.
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floydthecat
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Posted: May 02 2021 at 1:32pm |
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Must be a dozen ways to do it. I pull it thru with dental floss or a small tie-wrap. All of them work, but the trick is to get the foot to sit in the notch on the trigger.
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Mmr61184
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Posted: May 02 2021 at 2:01pm |
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oh sh*t goes in the back. Oops
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35 Whelen
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Posted: May 02 2021 at 2:41pm |
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painter777
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Posted: May 02 2021 at 4:57pm |
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Here is JimF's pics and tutorial on how to make a pin to put the sear, sear spring and trigger together outside the housing.
I made my pin from a cut down finish nail. "Trigger and sear/spring. Make a small pin the width of the trigger. Assemble the trigger sear and spring outside the housing using the shorter pin. Drop it in the housing, line up the hole and push the normal pin into place. Done deal, a minute or two and no jammed fingers."     Video link to fellow member Norowich93cmp Youtube videos. See his full playlist for many M1 Carbine 'How To' HTH, Ch-P777 |
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Living Free because of those that serve.....
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Mmr61184
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Posted: May 02 2021 at 10:56pm |
 Is it because the spring coil is bent ?
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painter777
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Posted: May 02 2021 at 11:02pm |
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Probably,
You could try bending it back in place, install and see it hammer cocks. But order a new one. Ebay or Gunbroker will have them. Could even run a WTB here on the Forum. Ch-P777
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kro1970
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Posted: May 02 2021 at 11:05pm |
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Looks like one leg of the spring is broken.
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Mmr61184
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Posted: May 02 2021 at 11:12pm |
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yeah I took it apart 4 times. Is it worth ordering a new sear too?
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floydthecat
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Posted: May 03 2021 at 5:45am |
Sears are pretty durable. Unless you see some physical damage or wear probably not. You can post some pictures for opinions.
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Mmr61184
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Posted: May 03 2021 at 7:57pm |
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took everything apart again the seat is definitely not worn at least from what I see. I ordered a new trigger spring and hammer spring but didn’t get a new sear spring yet. Seems really strange, I am by no means an expert but would never guess the trigger spring would create this problem
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Smokpole
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Posted: May 03 2021 at 8:03pm |
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Without the second arm, it doesn't have the strength to reset the trigger. That is where the problem is.
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Mmr61184
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Posted: May 03 2021 at 8:24pm |
If it is a simple as that I will be so happy
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painter777
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Posted: May 03 2021 at 9:42pm |
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See this video and compare to your Sear's movement:
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Mmr61184 wrote: