Installing a combination or push-button lock like this one is a great way to introduce
some extra security or privacy to a room at your home or workplace.
It’s especially useful if - like me - you work at home and have an office set up.
In fact, one of the main reasons I fitted mine was to baby proof my home office as our
toddlers are now tall enough and able enough to open door handles and run riot inside the
room!
They’re not as hard as you might think to fit, and you only need basic tools for the
job, which I’ve put links to in the video description.
So without further ado, let’s get started.
First off, decide the height at which you want the keypad to sit, and mark the top and
bottom with a pencil.
I’m lining mine up with the panel effect on the door here.
Then, measure the distance from the top of the keypad to where the spindle will fit through.
Next, use a set square to continue the line from the top of your keypad to the edge of
the door and mark the height at which the spindle will sit, based on the measurement
we just took on the back of the keypad.
Then measure the width of your door and mark the centre ready to drill a 25mm hole.
This gets quite messy so make sure you have a vacuum cleaner on hand, as you’ll need
to drill a hole deep enough to accommodate the full length of the tubular latch.
Once that’s done, you can insert the latch and draw round it to mark out where you will
need to chisel a few millimetres out, allowing the latch to sit nice and flush in the side
of your door.
Make sure you’re using a nice sharp chisel so that your cuts are clean (ideally much
sharper than the blunt thing I started off with!).
Once you’ve removed enough wood, slide the latch in and mark where the two screws will
sit, then drill two pilot holes, pop the latch in and fix in place with screws to make sure
it fits nice and flush.
Then, remove it again and measure the distance from the very edge to the centre of the spindle
hole.
Transfer this measurement to the door and then drill an appropriately-sized hole all
the way through, so that when the latch is in place you can see all the way through and
the spindle fits and can move freely.
Then, drill a second slightly smaller hole next to this one for the latch support post.
The next step is to place the inside handle on and mark the two points at which this will
be screwed down.
Use a small spirit level to ensure you fit it perfectly vertically and then drill two
more holes straight through the door for the hexagon support posts.
Fix the latch back in place, fit any rubber gaskets to the back of the keypad along with
the hexagonal support posts, and then slide the keypad on and into place.
Enter your code and check that the spindle a) moves, and b) moves freely.
Here, it doesn’t so refer to your instructions for the correct orientation of your spindle,
or just use trial and error like I did.
Once that’s corrected, it should turn nicely.
Then just fit on the inside handle and secure in place with screws.
Double check again at this point that it’s definitely functioning correctly, otherwise
you run the risk of either locking yourself in - or outside of - the room!
If yours has a holdback function, you can test this works by opening the handle and
pushing the snib.
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Try Xero out with a 30 day free trial by clicking the link in the video description.
The next step is to install the striker plate inside the door frame, so gently close the
door until the latch bolt is lined up with your frame and then mark the top and bottom
of the latch bolt with a pencil.
Then continue these markings to the inside of the doorframe and then place the Box Keep
centrally over the markings and trace round.
Then, use a sharp chisel and chisel out a deep enough recess so that the Box Keep can
sit flush in the frame.
Then, align both the Box Keep and the striker plate and trace around the striker plate so
that you can chisel just a couple of millimeters away at this point, allowing the striker plate
to sit flush in the frame as well.
Then mark and drill some pilot holes and finally secure both the box keep and the striker plate
inside the door frame.
Your lock is now fitted and ready for use!
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If you’d like to learn how to change the combination on one of these locks, click the
video just there, and if you’d like to see how to build the Ultimate door security system
with three factor authentication, click the video down there.
Thanks for watching, and I’ll see you soon!