Chapter 6 109
Replacement Procedure
Rear Panel Assembly Replacement
6. Replacement Procedure
Rear Panel Assembly Replacement
Tools Required
• Torque screwdriver, TORX T20
• Torque screwdriver, TORX T8
• Torque screwdriver, TORX T10
• Box torque wrench, 5/8 inch
• Box torque wrench, 5.5 mm
• Box torque wrench, 7 mm
Removal Procedure
Refer to Figure 6-11 for this procedure.
Step 1. Remove the Option Interface as described in “Option Interface Replacement” on page 99.
Step 2. Remove the 3/4 Rack Module Top as described in “3/4 Rack Module Top Replacement” on
page 90.
Step 3. Remove the A3 Analog Daughter Board as described in “A3 Analog Daughter Board
Replacement” on page 94.
Step 4. Remove the A2 Analog Board as described in “A2 Analog Board Replacement” on
page 96.
Step 5. Remove the PPMC PCA as described in “PPMC PCA Replacement” on page 101.
Step 6. Remove the A1 Mother Board as described in “A1 Mother Board Replacement” on
page 103.
Step 7. Remove the Power Supply Assembly as described in “Power Supply Assembly
Replacement” on page 105.
Step 8. Remove the bottom clamshell as described from Step 10 to Step 12 in “Base Plate
Replacement” on page 107.
Step 9. Remove the one TORX T20 screw (item 1) fastening the ground cable.
Step 10. Remove the five TORX T10 screws (item 2) fastening the Rear Panel Assembly.
Step 11. Remove the Rear Panel Assembly from the Base Plate.
Replacement Procedure
Step 1. Reverse the order of the removal procedure.
NOTE When you fasten the Rear Panel with the five TORX T10 screws, set screwdriver's torque
to 8.7 in-lb.
When you fasten the ground cable with the TORX T20 screw, set screwdriver's torque to
21.1 in-lb.
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