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8/28/2024 10:28:15 AM EDT
[Last Edit: jtb33][Edited]
NOTE:  This is not a Liberty, it's not a Graffunder and I know that. I have other safes.  It's a tech forum, so the inevitable "Cannon is junk" aren't needed here.  I have more than one safe and won't be ditching this one, as it serves its purpose well.  

The lock is made by "NL" and has had to be replaced under warranty twice in the ~8 years I've owned it.  The 'failure' of the lock has been that the swimgarm on the interior lock fails to engage to lock the safe mechanism about 80% of the time and fails to open about 10% of the time.  It's not a battery issue - it's the electrical box portion of the lock with the swimgarm that's failing over time.  Each time, Cannon has sent me a replacement NL lock (keypad and swingarm box thing) at no cost and that I can swap out myself in 5 minutes which fixes it for a few years.  However, I'd like to replace it with a better quality lock if there is one that is a 'drop-in' solution (no drilling, no new holes, etc).  No, I don't want a mechanical dial - I want to stick to a keypad on this safe.

Most of the replacement lock systems seem to have a rectangular swimgarm 'box', where the one on my Cannon has one that's closer to a square in shape (pic below).

I know S&G locks are good.  How about Securam?  Other brands?  Are there any models that are OEM compatible with my safe?  I'm not looking to spend $400 on a replacement lock...  ideally, something that's no more than $200.





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8/28/2024 2:38:17 PM EDT
[#1]
This is a special format NL offers. It is basically half normal size. The two screw holes near the swing bolt are normal. The third hole is proprietary. A standard format lock can therefore be attached only by two instead of the normal three or four screws. It is possible, but I am not sure I would do this. For the full set of screws you would have to drill and tap one or two more holes depending on the lock. Because of the construction of the bolt work it does not matter if it is a swing bolt or a dead bolt lock. If you do not have a source for locks you can look at mbausa.com . AFAIK they sell also to non-professional customers.

Regarding the replacement lock I can't give you much insight. The lock model I usually use here is not available in the US and can't be installed without major modifications. And even if you did not dislike the mechanical combination locks they are not recommended for this safe as they would need also major modifications.

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