Author Topic: Frozen trigger screw with a buggered head. Suggestions?  (Read 824 times)

Offline Ironbadger

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Frozen trigger screw with a buggered head. Suggestions?
« on: May 05, 2023, 06:24:59 PM »
As described.
58 remington repro with the trigger screw frozen up good, screw head buggered pretty good to the point where I cannot get a real grip on it with a properly made hollow ground screwdriver.

I've soaked it down for several hours with CLP break free from both ends.
The mainspring screw was also frozen with a good head, and it came loose after a similar soak in break free.

I have so far refrained from either tapping the head gently with a brass hammer, or using a propane torch on low to heat it up to break it loose.

Suggestions?

Open to any good advice before I go to radical solutions.

-Badger-






Offline RRio

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Re: Frozen trigger screw with a buggered head. Suggestions?
« Reply #1 on: May 05, 2023, 08:07:34 PM »
Soldering iron tip on the offending screw head with it being soaked with Kroil Penetrating Oil.
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Offline Abilene

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Re: Frozen trigger screw with a buggered head. Suggestions?
« Reply #2 on: May 06, 2023, 12:10:15 AM »
And a 1/4" hand impact driver.

Used to see ads for a bit that would dig into buggered screw heads to get them out.  Not sure how well those work or where to get one.  Good luck.

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Re: Frozen trigger screw with a buggered head. Suggestions?
« Reply #3 on: Today at 02:11:02 AM »

Offline Ironbadger

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Re: Frozen trigger screw with a buggered head. Suggestions?
« Reply #3 on: May 06, 2023, 10:10:59 AM »
Yeah, I've seen those before.
Made for much larger screws, I'm afraid.

They work by drilling into the screw shaft- not enough meat on the trigger screw shaft to try it.

I may try drilling out the screw shaft if I need to- but thats really a last ditch method, for when all else has failed.

-Badger-

Offline Ironbadger

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Re: Frozen trigger screw with a buggered head. Suggestions?
« Reply #4 on: May 06, 2023, 10:14:56 AM »
I don't have any kroil oil-
But the soldering iron tip is an excellent idea I had not thought of to apply very controlled heat to the head or foot of the screw.
Thanks!

I'll try it later if the overnight oil soak doesn't produce any results.



Soldering iron tip on the offending screw head with it being soaked with Kroil Penetrating Oil.

Offline Coffinmaker

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Re: Frozen trigger screw with a buggered head. Suggestions?
« Reply #5 on: May 06, 2023, 10:37:13 AM »

Um, are we talking about the screw thru the frame the Trigger Pivots on??  Or the Main Spring tension Screw??  Or a frame screw??

Depending on "why" it's frozen, getting it out is going to be a major pain.  Heat and tap tap taping with the hammer may be your only option(s).

Offline Ironbadger

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Re: Frozen trigger screw with a buggered head. Suggestions?
« Reply #6 on: May 06, 2023, 02:43:58 PM »
The main spring tension screw was frozen as well, but yielded to an oil soak.

The one still frozen up is indeed the frame screw the trigger pivots on.

I have since watched numerous youtube vids on dealing with frozen screws with damaged heads.
So i am going to try heat and tapping, plus a  trick shown on how to use a drill press to gain better leverage and downward pressure to hand turn the chuck with a lever put into the chuck holes.
I need to go buy a sacrificial driver bit to grind down to fit the slot before I do that, but I will report on how it worked out later.

The Remington army I have is a Euroarms that was made about 1973, by its proofmarks code.
But this old girl has little or no damage aside from the screw mentioned, and a broken hand spring which I can fix in several ways once I can get it apart.
She will live again.

-Badger-

 

Um, are we talking about the screw thru the frame the Trigger Pivots on??  Or the Main Spring tension Screw??  Or a frame screw??

Depending on "why" it's frozen, getting it out is going to be a major pain.  Heat and tap tap taping with the hammer may be your only option(s).

Offline wildman1

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Re: Frozen trigger screw with a buggered head. Suggestions?
« Reply #7 on: May 08, 2023, 10:21:58 AM »
ATF and acetone is probably the best for getting screws loose, followed by the 1/4" impact wrench.
wM1
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Offline Ironbadger

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Re: Frozen trigger screw with a buggered head. Suggestions?
« Reply #8 on: July 05, 2023, 09:32:34 PM »
I soaked the gun in CLP break free for a couple of weeks..and the screw came right out last night.

Tons of old fouling inside the gun, but very little actual rust.

I thoroughly cleaned everything and put it all back together.

Job done for now, and thanks everyone for the advice.

-Badger-

 

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