Acer Altos R510 - Manual (Page 186)

Appendix B: Tool-less rail kit installation 174
• If component being installed into Slide Rails exceeds 22.6 kg
(50 lb.), two persons should lift the component into the Slide
Rails.
• NEVER use the Slide Rails as a step. Do not stand or sit on the
Slide Rails.!
Caution !Ensure that the position selected for each installed
component allows for proper ventilation of each component.
Consult component documentation as required.
Note: Your system is safety-certified as a free-standing unit and as a
component for use in a rack cabinet using the customer rack kit when
both the rack cabinet and the rack kit were designed for your system.
The installation of your system and rack kit in any other rack cabinet
has not been approved by any safety agency. It is your responsibility to
have the final combination of system and rack kit in a cabinet
evaluated for suitability by a certified safety agency. The manufacturer
disclaims all warranties and liability in connection with such
combinations.