Lowe & Fletcher tubular pinning instructions

[Agentghost666]

I'm trying to find any pinning instructions for a Lowe & Fletcher tubular lock with a master ring in it.

This is a mess of my own making, and luckily I have a replacement on the way for the locker it goes to, but I'd like to take an opportunity to learn if I can. We had a staff member get their key stuck in a wall locker at our facility, we were able to remove the lock without any issue and drilled out the pin holding it all together. It was here that I made the mistake of pushing a bit too hard on the key to move the plug out the back of the lock. Luckily for my pride, there isn't a photo of the mess it made on the counter, but here is what I'm currently working with:



The pins aren't in any order, just laid out so I don't lose them.

I've got the bitting for both the change and master keys, measured the pin lengths, cut depths, and both the plug and ring depths, but I am struggling to find working combinations of stack heights for both keys to operate the lock.

Even if it isn't Lowe & Fletcher specific, pinning instructions for a master ring would probably help me understand how it goes together.

[femurat]

It's easier to do it than to explain it.

Key bow in the vice, key facing up.
Insert the plug over the key. Make sure it's fully inserted.
Starting from the longest, try every pin in one chamber, until you find the correct one, that is flush with the barrel.
Once you've filled all the chambers, insert the master barrel.
Replace the first key with the other one.
Make sure you still have all the first row of pins inside.

Start to check the second row of pins in the matster barrel, same procedure.
You should be able to fill all the chambers.

If it doesn't work, invert the keys and start over.

Good luck

[GWiens2001]

I thought the master ring went on and was fitted for pins first, but I'll trust Femurat. It has been a long time since I have worked one with a master ring. (If you have a spare to trade/sell, let me know).

But my biggest question is into which part of the lock those ASSA Twin 6000 pins and sidebars fit! Talk about a secure tubular lock!

Gordon