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Discussion Starter · #1 ·
My wife got me a Stoeger Coach Gun for Christmas and I'd like some opinions with a problem I'm having.

http://www.xdtalk.com/forums/shotgun-talk/142148-pics-my-new-shotgun.html

Basically, the bolt that screws the stock into the trigger housing, or "tail" as it is referred to in the owner's manual, keeps loosening after about 16 shells through the barrels.

I think the problem might be that the maximum amount of torque that is allowed to be applied to the bolt is 5 ft. lbs.

I have a torque wrench on the way to me from Amazon.com since all the torque wrenches I could find locally didn't register any less than 10 ft. lbs.

But do you guys think think that it could just be badly designed?

Putting the cap back on the toothpaste, I'm guessing, would take about 2 ft. lbs.

Anyway, my bigger issue is what would be the fix? I don't want to lay out shipping costs to Stoeger which I'm thinking would be about $50 if all they are going to do is tighten the bolt for me.

I spoke to a customer rep at Bernelli, Stoeger's parent company I guess, and she told me to put Loc-Tite on the bolt.

Whaa??

If I were to do that I'm facing at least two potential problems. I run the risk of some of the Loc-Tite coming off the threads and getting into the trigger mechanism - most notably the safety mechanism that is only a hair away from the bolt when tightened. Also, I don't want the bolt to become permanently attached. How the heck would I get to the trigger parts if the gun had to be repaired?

When I bought up the latter to the rep she informed me that they would just heat up the bolt to loosen the Loc-Tite.

Whaa, whaa?

I'm thinking she isn't aware the the bolt is inserted about eight inches into the stock and then completely encased in the trigger housing. To say nothing of the fact that you're going to have to put a lot more than 5 ft. lbs. of torque to get that bolt out.

Opinions, tips?

I love the aesthetics of the gun. Beautiful to look at but for the moment she's more show than go.

I'm going to be ticked off to the high heavens if I have to just make this a safe queen.

Thanks for your time.
 

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Discussion Starter · #2 ·
They make permanent and removable Loc-Tite. Red = permanent. Blue = removable.

As long as you don't go overboard with it, I wouldn't worry about tiny flakes getting into your trigger housing.

Can you post a picture of this "bolt"?
 

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Discussion Starter · #3 ·
Anyway, my bigger issue is what would be the fix? I don't want to lay out shipping costs to Stoeger which I'm thinking would be about $50 if all they are going to do is tighten the bolt for me.
At some point, if none of this works out, they should be willing to agree to ship on their dime on a new gun that's not right.

I spoke to a customer rep at Bernelli, Stoeger's parent company I guess, and she told me to put Loc-Tite on the bolt.

Whaa??
This is not that unusual, to put loctite to keep things in place on a gun.

If I were to do that I'm facing at least two potential problems. I run the risk of some of the Loc-Tite coming off the threads and getting into the trigger mechanism - most notably the safety mechanism that is only a hair away from the bolt when tightened. Also, I don't want the bolt to become permanently attached. How the heck would I get to the trigger parts if the gun had to be repaired?
Apply the loctite sparingly.

Good luck!
 

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Discussion Starter · #4 ·
In my industry we actually use loctite as an antisieze. I know it doesn't make sence but it seems to lock the bolts good enough to not vibrate loose, and at the same time it seems to prevent excessive corrosion present when a steel bolt is ran into an aluminum triple clamp. The general purpose liquid loctite doesn't tend to fall off the hardware if used sparingly, and very little is actually necessary to prevent hardware from loostening up
 

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Discussion Starter · #6 ·
Blue Loctite still allows you to remove the bolt without using heat.

I'd take the bolt out, take the stock off, degrease the bolt hole and bolt, blast it dry with a shot of air, then put it back together with a drop of blue loctite on the threads of the bolt.

Wait 24 hrs then take it out shooting.
 

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Discussion Starter · #7 ·
A little hint on heating up a screw (especially when you don't want to also heat up the surrounding area) to re-liquefy any thread locker &/or corrosion… use a 'wood burning' tool. Easy to use pinpoint heat!
 

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Discussion Starter · #8 ·
Thanks guys. I appreciate the help.

Do you guys think the Loctite will stop the bolt from loosening? Or will it just delay the loosening from 16 shells to 38?

I'm very reluctant to apply any Loctite, but I went to Lowes today and purchased a tube of the Blue.

I'll play around with the stuff on some stray nuts and bolts to get comfortable working with it.

There's really nothing else that can be done, right?

Here's some pics of what I'm working with. No rocket science involved, of course, I just don't want to screw anything up.











Here's some pics of the stock showing some damage and wear when the stock loosens.

The bottom of the stock - closest to the trigger:



The top of the stock showing some rubbing where the thumb break rotates around:

 

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Discussion Starter · #9 ·
Good pics. I think the Loc-Tite will definitely solve your problem.

That's a good idea to mess around with it on some other parts first, and I think you'll be impressed with the stuff.
 

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Discussion Starter · #11 ·
Locktite was my first inclination too. Don't worry about using it. It's used in so many manufacturing processes you'd be amazed. I would send those pictures to Benelli and have them replace your stock from their damage from not putting locktite on the gun to begin with!

T.C.
 

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Discussion Starter · #12 ·
I sent the gun back to Stoeger/Benelli about two weeks ago. Or rather, Bass Pro Shops sent it back for me.

I applied the loctite and let it sit for two days then took her to the range.

I put two shells in but only the right barrel fired.

(Long story longer)

The firing pin retention nut had worked its way loose and was preventing the left trigger from being depressed.

I hope the gun doesn't come back with loctite on all parts that can loosen. :(
 
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