524 
Assembly Replacement Procedures
Motherboard Assembly
16.Refer to Figure 14-72. Remove the motherboard (1) by removing the four 
screws (2).
Figure 14-72  Motherboard Assembly Removal
Replacement 
1. Refer to Figure 14-72. Place the motherboard (1) into position in the 
chassis and replace the four screws (2). Torque to 9 inch-pounds.
2. Refer to Figure 14-71. Replace the left side chassis by replacing the seven 
screws. Torque to 9 inch-pounds.
3. Refer to Figure 14-69. Replace the midplane bracket (1) by replacing the 
eight screws (2). Torque to 9 inch-pounds.
4. Replace the fan assembly. Refer to the Fan Assemblyreplacement 
procedure.
5. Replace the RF bracket. Refer to Figure 14-9 on page 449. Torque the 
screws to 9 inch-pounds.