Asus 5U Tower Chassis Kit AK34 - Manual (Page 36)

Chapter 2: Hardware setup 2-20
2.7.2 Roller wheels
The chassis comes with four roller wheels for convenient transport. Each
wheel has a brake lock to stabilize the chassis in place.
To remove the chassis wheels:
1. Lay the chassis in its side.
2. Use a Phillips screwdriver to remove the screws that secure the
wheels to the bottom of the chassis.
Brake lock
Remove the chassis roller wheels if you wish to mount the system to a
rack. Refer to the Rackmount Kit manual for more information.