Lenovo 70AL Maintenance Manual page 127

10. Install the new power distribution board and cage assembly into the chassis. Ensure that the four
screw holes 1 in the rear of the new power distribution board and cage assembly are aligned with the
corresponding holes marked with R in the rear of the chassis. Meanwhile, ensure that the two screw
holes 2 in the metal clip at the front of the new power distribution board and cage assembly are aligned
with the corresponding holes in the chassis. Then, install all the screws to secure the new power
distribution board and cage assembly in place.
Note: Use only screws provided by Lenovo.
Figure 66. Installing the power distribution board and cage assembly
11. Refer to your note to connect the power cables of the new power distribution board and cage assembly
to the system board and or power conversion board, depending on the model. Then, correctly route the
cables and secure the cables with the cable clips and ties in the chassis.
12. Reinstall the front system fans. See "Replacing the front system fan 1" on page 130.
13. Reinstall the hot-swap redundant power supplies and the protective shield for the redundant power
supply bay 2 if necessary. See "Installing or replacing a hot-swap redundant power supply" on page 108.
14. If you are instructed to return the old power distribution board and cage assembly, follow all packaging
instructions and use any packaging materials that are supplied to you for shipping.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 149.
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Chapter 6 Installing, removing, or replacing hardware
115