Dell PowerEdge 1850 - Manual (Page 5)

12. Reinstall the cover.
13. If applicable, reattach the bezel.
Control Panel Assembly
Removing the Control Panel Assembly
1. If applicable, remove the bezel.
2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and peripherals.
3. Remove the system from the rack and place it on a work surface.
4. Remove the system cover.
5. Remove the SCSI backplane board. See " Removing the SCSI Backplane Board ."
6. Remove the fans:
a. Disconnect the fans' power cables from the system board.
b. While pressing the two release tabs on either side of the fan, lift the fan module straight up out of the fan bracket. See Figure 1 -2 .
c. Repeat steps a and b until all the fans are removed.
Figure 1-2. Removing or Installing a Fan Module
7. To remove the fan bracket, squeeze the two tabs together, then slide the bracket towards the front of the system and lift it out. See Figure 1 -3 .
Figure 1-3. Removing the Fan Bracket
CAUTION: Many repairs may only be done by a certified service technician. You should only perform troubleshooting and simple repairs as
authorized in your product documentation, or as directed by the online or telephone service and support team. Damage due to servicing that is not
authorized by Dell is not covered by your warranty. Read and follow the safety instructions that came with the product.