Changing The Handing On An Andersen Keyed Lock in Two Minutes

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Published on Mar 30, 2026 This response is partially generated with the help of AI. It may contain inaccuracies.

Table of Contents

Introduction

This tutorial will guide you through the process of changing the handing on an Andersen exterior keyed lock. This is essential when installing locks for 2-panel right-hand operating doors, as the locks are preset for left-hand operation at the factory. By following these steps, you can ensure your lock operates correctly.

Step 1: Identify Lock Handing

  • Check the lock for markings.
    • Look for an “L” indicating the left-hand setting.
    • Look for an “R” indicating the right-hand setting.
  • Confirm the door's operational direction to determine if you need to change the handing.

Step 2: Gather Required Tools

  • Ensure you have the following tools ready:
    • Screwdriver (typically a Phillips head)
    • Replacement kit (if needed, such as the Andersen Tribeca Lock)

Step 3: Remove the Existing Lock

  • Locate the screws securing the lock to the door.
  • Use the screwdriver to remove these screws carefully.
  • Gently pull the lock out of the door.

Step 4: Change the Handing

  • Look for the mechanism inside the lock that allows for changing the handing.
  • Follow these sub-steps:
    • If the lock is set to “L”, rotate the mechanism to switch it to “R”.
    • Ensure the mechanism clicks into place securely.
  • Re-check the markings to confirm the change.

Step 5: Reinstall the Lock

  • Align the lock back into the door.
  • Secure it by tightening the screws you removed earlier.
  • Make sure everything is aligned properly for smooth operation.

Step 6: Test the Lock

  • Operate the lock with the key to ensure it functions correctly.
  • Open and close the door several times to confirm that the lock engages and disengages smoothly.

Conclusion

You have successfully changed the handing on your Andersen exterior keyed lock. Remember to check your lock’s functionality after installation and ensure it aligns with your door’s operation. If you encounter any issues, consider referencing the replacement kit instructions or contacting a specialist for assistance.