Remove A Clock Lock-Mounted Analog Clock - Primex XR Series Installation Manual

7. For a more secure means of attachment, drill #37 (0.104") holes at the 2 o'clock and 8 o'clock positions of the
clock case. use #4 3/8" self tapping screws for securing the clock.

Remove a Clock Lock-Mounted Analog Clock

Follow the illustrated steps below to remove an analog clock from a clock-lock mount.
Primex Wireless 34
XR Series Analog Clock Installation Guide