I'm going to suggest switching to 1084. 1084 needs no soak, which is virtually impossible to correctly accomplish without temp control. And both kippington and enso are correct.
Remember that not all epoxies are created equal. If you plan on only doing this job once, stay away from fast-cure and products that may have been on a peg hook for years. I can wholeheartedly recommend Acraglass and G-Flex. West Systems makes some excellent stuff.
No experience with Leeb portables, but here's an interesting read. Pretty finicky stuff for my taste.
https://leebhardnesstesters.com/reference/leeb-testing-factors
If you keep your eyes open, sometimes you get lucky. Craigslist bestowed this little gem upon me for the princely sum of $400. Works great after cleaning the cylinder and gets used on each and every blade I make. I've even used it, when possible, on manufactured knives just to test where the...
Sorry, I must have missed your asking for qualifications in your first post.
Please let me know exactly how many knives I should make to satisfy your exceedingly high standards.
Truly not trying to be an ass, here....but, if you are not capable of measuring the hardware you need to make the repair, maybe you should reconsider doing the repair?
-Mark