256 Chapter 13
Assembly Replacement Procedures
Midplane Assembly
Figure 13-21 Midplane Assembly Removal
Replacement
1. Refer to Figure 13-21. Install the midplane assembly into the chassis and attach
to the midplane bracket using the six screws (2) removed earlier. Torque to
9 inch-pounds.
2. Replace the power supply support bracket with the two screws. Torque to
9 inch-pounds.
3. Replace the power supply assembly. Refer to the Power Supply Assembly
replacement procedure.
4. Replace the CPU assembly. Refer to the CPU Assembly replacement
procedure.
5. Replace the reference assembly. Refer to the L.O. Assembly replacement
procedure.
6. Replace the top brace and reference bracket. Refer to the Top Brace and
Reference Bracket replacement procedure.
7. Replace the rear panel. Refer to the Rear Panel replacement procedure.
8. Replace the instrument outer case. Refer to the Instrument Outer Case
replacement procedure.