In this section:
Air Filters are Customer Replaceable Units (CRU), shown in the figure Air Filter. Check the Air Filter periodically for cleanliness and replace as necessary. The Air Filter product code is SBC-5400-FILTER.
Replace the Air Filter annually and clean it every 90 days. In a dirty environment, or when you start getting frequent temperature alarms, you should always check the intake grilles for debris, and then check the Air Filter to see if it needs to be replaced. If the air in the operating environment is especially dirty, you may have to replace the filter more frequently.
Underwriters Laboratories, Inc has classified Air Filter as Class 2 (flammability only).
Perform the following procedure to replace the Air Filter:
Rotate the white pull tab until it clears the Bezel frame clip.
Slide the Air Filter in the direction shown to disengage it from the two black tabs at the other end.
Discard the Air Filter.
Insert the replacement Air Filter info the Bezel assembly by reversing the above steps.
All SBC 5400 CRUs are shipped in electrostatic discharge (ESD) bags and must be handled using appropriate ESD precautions. The storage environment for these CRUs are: