HP 339820-002 - Manual (Page 35)

Removal and replacement procedures 35
3. Slide the side-mounting bracket tabs into the U locations on each side of the rack.
4. Install four cage nuts into the side-mounting bracket U locations.
5. Secure the console switch to the rails, using four M-6 screws, two on each side.
Replacing the console switch standard-mount hardware
1. Remove the four screws, two on each side, from the console switch.