Schlage B663/B763 B-Series Single Cylinder Deadbolt Installation Instructions
Full Size Interchangeable Core
General Information
This document provides installation instructions for the Schlage B663/B763 B-Series Single Cylinder Deadbolt. Instructions are provided in English, Spanish, and French.
Contact Information:
Customer Service: 1-877-671-7011
Website: www.allegion.com/us
Manufacturer: Allegion
Installation Steps
Step 1: Mark Door with Template ✍️
Mark the door using the provided template. Ensure accurate placement for proper installation.
[Diagram: Template being placed on a door.]
Step 2: Drill Holes ?️
Drill two holes in the door:
- A 2 1/8" (54 mm) hole for the deadbolt mechanism.
- A 1" (25 mm) hole for the bolt.
Alternatively, for a circular bolt, drill a 1 1/16" (27 mm) hole.
[Diagram: Showing the two required hole sizes and locations on the door edge and face.]
Step 3: Install Fire Cup ?
Install the fire cup. This step is specifically for UL-certified products and requires a 2 1/8" (54 mm) through bore.
[Diagram: Showing the fire cup being inserted into the door bore from the inside.]
Step 4: Install Deadbolt ?
Install the deadbolt mechanism into the door bore. If using a circular drive-in deadbolt, follow the specific instructions for its installation.
[Diagram: Showing the deadbolt mechanism being inserted into the door bore.]
[Diagram: Showing the installation of a circular drive-in deadbolt.]
Step 5: Prepare Door Jamb ?
Prepare the door jamb by mortising for the strike plate. Ensure the correct dimensions are used for a proper fit.
[Diagram: Showing the door jamb being prepared for the strike plate.]
Step 6: Install Strike Assembly ?
Install the strike assembly into the prepared door jamb. An optional strike is also shown.
[Diagram: Showing the strike assembly being installed in the door jamb.]
Step 7: Size Driver Bar ?
Determine the correct length for the driver bar based on the door thickness. The instructions indicate whether to break or not break the bar to achieve the correct length.
[Diagram: Showing door thickness measurements and corresponding driver bar sizing instructions, indicating whether to break or not break.]
Step 8: Install Outside Lock ?
Install the outside lock cylinder and mechanism onto the door. Ensure the latch is extended before proceeding.
[Diagram: Showing the outside lock cylinder and mechanism being attached to the door.]
Step 9: Install Mounting Plate ?️
Install the mounting plate. This step is for 1 1/2" (38 mm) through bore installations only. Pilot holes are recommended for wood doors.
[Diagram: Showing the mounting plate installation for both wood and metal doors, with pilot hole recommendations.]
Step 10: Install Thumbturn ?
Install the thumbturn mechanism on the interior side of the door. The thumbturn should be oriented horizontally.
[Diagram: Showing the thumbturn being installed and its horizontal orientation.]
Step 11: Replace Core ?
Replace the core mechanism. The diagram shows steel ball bearings within the mechanism.
[Diagram: Showing the core being replaced and a close-up of steel ball bearings.]
⚠️ Important Notes
Do not use the metal shield in existing 1 1/2" (38 mm) hole installations. If using a pre-drilled 38mm hole, do not use the included metal shield.