LiftMaster 841LM Deadbolt Protector
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This is a security cover for the unused side of the garage door's automatic deadbolt.
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Updated at source:
Model information
- Source
- Printables
- Category
- Garage
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
I created this model to prevent someone from unlatching the deadbolt from the outside. The LiftMaster 841LM Deadbolt can be installed on the left or right of your garage door track, but this placement makes the manual unlatch on the unused side too easy to disengage with a ruler from the outside.
So I removed the plastic handle from the unused side and installed this 3D print on the same side.
If the auto deadbolt hasn't been installed yet.
Determine which side you'll install the auto deadbolt on.
Please go ahead with the LiftMaster auto deadbolt instructions to drill the mounting holes; don't install the auto deadbolt just yet.
Print the file that matches the side you're installing the auto deadbolt.
You will have to remove a couple of screws from the auto deadbolt to mount the print.
Please go ahead with the LiftMaster auto deadbolt installation instructions.
If the auto deadbolt has been installed.
Print the file that matches the side where the auto deadbolt is installed.
Remove the auto deadbolt from the track.
You will have to remove a couple of screws from the auto deadbolt to mount the print.
Reinstall the auto deadbolt on your garage door track.
Printing suggestions:
Print at 0.3 layer height,
Use ABS, ASA, or other filament with matching properties, not PLA,
The fewest supports will be needed if printed in the provided orientation.