A screw loose

S

SVanderkolff

Well-Known Member
I just had two of my folders come back to me because the pivot screw came loose. These are liner locks, gentlemens knives not hard carry, with the pivot screws tucked under the bolster. I always put a drop of blue loctite into the threaded pivot at final assembly but for some reason these came loose. Do you have any suggestions on how to ensure this does not happen again? Also, what do you do for your customers if they have to return one of your knives dur to a problem like this?
Thanks
Steve
 
I use the blue loctite at final assembly too and, so far, have not had one come back to me...but it certainly could happen. I think if it does, I will do whatever is necessary and within my ability to satisfy the customer...even up to buying the knife back. I have heard that the use of teflon tape is a good alternative to loctite, but haven't tried it. I think it's important to keep any oil off the threads when using the loctite...tough to do when you're trying to assemble the knife and lube it at the same time. Just my 2 cents worth.
 
Hi Steve. It is very upsetting when a knife is returned for whatever reason. I appologize to the customer and ASK if I can make an adjustment, pay for the postage my way and then back to him. Frank
 
Steve
I had the same thing happen on one.Now if the screws are under bolsters I use red loctite,you can still disassemble later by touching a solder iron to one of the screws for a couple of minuets and then unscrew.
Also make sure your loctite is good,it has a shelf life of about 8-10 months after opening and that all parts are clean on assembly.
Stan
 
A loose blade gives the impression a screw has backed off. When you go to remove the screw it isn't really a free moving one but turns with some resistance because of the blue Locktite was used. In fact a screw hasn't backed off at all. I found that in fact what was the problem was that the liners, spacer, blade and washers were not in a close together position to begin with. A stickness or small bind if you will existed so that tightening the screws on the pivot really didn't remove all of the space. What is necessary is to assembly the folder except for the bolsters and scales, place the closed folder on a piece of firm material such as metal or if you prefer micarta with the pivot screw over one edge and tap along the length with a hammer. This will help to seat the parts correctly. Frank
 
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