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Parker Repro Loose Screw
Unread 03-22-2017, 10:01 AM   #1
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Gary Laudermilch
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Default Parker Repro Loose Screw

The repro I use to shoot clays frequently has a screw that is continually getting loose. It is the smaller screw immediately in front of the trigger guard bow. I tighten it as much as I feel I dare and it still comes loose. It is a double trigger gun if that makes any difference. Why? Suggestions?
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Unread 03-22-2017, 11:32 AM   #2
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a little dab of thread locker should cure it. But don't use the permanent type.





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Unread 03-22-2017, 07:44 PM   #3
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Quote:
Originally Posted by Dean Romig View Post
a little dab of thread locker should cure it. But don't use the permanent type..
That would also have been my suggestion. Loctite makes a "Red" and "Blue", and I can't remember which is the one with less strength. Any good autoparts store will have both, and know which is which.
As I recall, Carquest has their own, and they are also red, and blue, but Something reminds me they are the opposite from Loctite brand.
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Unread 03-22-2017, 08:10 PM   #4
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charlie cleveland
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a small dab of your wifes finger nail polish will work good for loose screws also...it is fairly easy then to break screw loose if it is needed...charlie
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Unread 03-22-2017, 08:16 PM   #5
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Kirk Potter
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Quote:
Originally Posted by edgarspencer View Post
That would also have been my suggestion. Loctite makes a "Red" and "Blue", and I can't remember which is the one with less strength. Any good autoparts store will have both, and know which is which.
As I recall, Carquest has their own, and they are also red, and blue, but Something reminds me they are the opposite from Loctite brand.
Pretty sure its blue that would allow you to be able to remove it again.. Had to use some on my Garands rear site.
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Unread 03-22-2017, 10:10 PM   #6
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Kirk is correct.

Locktite BLUE is temporary. Locktite RED is permanent.
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Unread 03-23-2017, 07:49 AM   #7
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Thanks for the loctite solution. However, I was as much interested in the "why" it keeps loosening. Is there something out of sorts internally that is working that screw? If so, maybe it can be corrected.
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Unread 03-23-2017, 09:34 AM   #8
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Is the slot properly timed when you tighten it down?
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Unread 03-23-2017, 10:29 AM   #9
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Yes, the screw is perfectly timed when tight.
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Unread 03-23-2017, 11:39 AM   #10
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It is likely a matter of harmonics on recoil.
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