How to Install Wafer Cylinders in Keller Sliding Doors (Also Works with Other Sliding Patio Doors)

This video demonstrates how to remove and reinstall keyed wafer cylinders in Keller brand sliding patio doors — a process that also applies to many other sliding door brands.

There are two different styles of wafer cylinders covered: cylinders held in place with C-clips, and cylinders with spring-loaded plates. Both removal and installation methods are shown.