Asus Pedestal/5U Rackmount Server TS500-E4 Server - Manual (Page 56)

Chapter 2: Hardware setup 2-34
6. Remove the blower from the case.
To reinstall the HDD blower:
1. Replace the blower into the case.
2. Secure the blower to the case
with the two screws you removed
earlier.
5. Remove the two screws on
the blower case using a Phillips
screwdriver. Set the screws aside.