Commercial glass door
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I see that your account hasn't been fully activated because you either didn't respond to the activation email when you joined or maybe you never received that email (that happens too).
I'll forward this to the Admin so your account can be manually activated and then you'll be able to post pictures (it may take a day).
Sorry, no help with your lock but I'm sure that one or some of our knowledgeable members will be posting soon. :smile:
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47 Posts
Yes...that's exactly what it is. How do I take it down?
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47 Posts
There is a picture
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Don't take the door down unless you absolutely have to. Been there, done that, got the hernia! Glass is heavy and a lot of Herculite is 1" thick and very heavy.
Open the door and look at the nose of the bottom rail. You should see either a removable plate usually held on by one or two screws, or two small holes. Looking at the picture below, the red arrow points at one of the cylinder retainer screws. You need to loosen (not remove) the screw(s) and unscrew the mortise cylinder. You can use a key that goes into the cylinder, but doesn't operate it, as a handle; I don't recommend using any type of pliers to grip the cylinder. Then you can rekey the cylinder(s).
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I'd be very cautious about installing a new cylinder(s) since the wrong cam might not operate the lock properly and possibly create a lockout. Also, many cylinders for Herculite doors have a special cap configuration for the retaining screw to seat in. Getting the cylinder(s) started back in properly can be an exercise in patience. If it/they won't screw in with your fingers, it's/they're probably trying to cross-thread.
Once you can screw it/them in a couple of turns, you can use the "wrong key" trick to tighten it/them up. The keyway should be horizontal, just like when you started taking them out. As you tighten each retaining screw, use the wrong key to very slightly rock the cylinder back and forth so the retaining screw seats properly.
To the extent possible, test your work with the door open. Better to say "Hmmm" than to say "Oh *^$%# !"
Open the door and look at the nose of the bottom rail. You should see either a removable plate usually held on by one or two screws, or two small holes. Looking at the picture below, the red arrow points at one of the cylinder retainer screws. You need to loosen (not remove) the screw(s) and unscrew the mortise cylinder. You can use a key that goes into the cylinder, but doesn't operate it, as a handle; I don't recommend using any type of pliers to grip the cylinder. Then you can rekey the cylinder(s).
I'd be very cautious about installing a new cylinder(s) since the wrong cam might not operate the lock properly and possibly create a lockout. Also, many cylinders for Herculite doors have a special cap configuration for the retaining screw to seat in. Getting the cylinder(s) started back in properly can be an exercise in patience. If it/they won't screw in with your fingers, it's/they're probably trying to cross-thread.
Once you can screw it/them in a couple of turns, you can use the "wrong key" trick to tighten it/them up. The keyway should be horizontal, just like when you started taking them out. As you tighten each retaining screw, use the wrong key to very slightly rock the cylinder back and forth so the retaining screw seats properly.
To the extent possible, test your work with the door open. Better to say "Hmmm" than to say "Oh *^$%# !"
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Thx for the great knowledge. I appreciate it. Will let you know how it works out.
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47 Posts
Worked out great. Thx again
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