IBM 8685 Hardware Maintenance Manual - Page 136

retention modules that had been removed.

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Note: The illustrations in this document might differ slightly from your hardware. 16 screws (4 per heatsink retention module) 88 11. Remove the 16 screws that secure the system board to the shuttle at the heat sink retention modules, and put the screws and the modules in a safe place. 12. Remove the other 14 screws that secure the system board to the shuttle, and put the screws in a safe place. 13. Pull the system board carefully out of the shuttle. 14. If you are replacing the shuttle, continue with step 16 using the new shuttle with the existing system board. 15. If you are replacing the system board, continue with step 16 using the new system board with the existing shuttle. 16. Align the system board with the shuttle and replace the 30 screws that were removed in step 11 and step 12 above. Be sure to replace the heat sink retention modules that had been removed. Attention: Do not over-tighten the screws that secure the system board to the shuttle. 17. Slide the replacement shuttle, with its attached system board, in from the rear of the server and close the board locking latch. 18. Replace all components in the reverse order from which they were removed. 126 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide

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Note:
The illustrations in this document might differ slightly from your
hardware.
88
16 screws
(4 per heatsink
retention module)
11.
Remove the 16 screws that secure the system board to the shuttle at the heat
sink retention modules, and put the screws and the modules in a safe place.
12.
Remove the other 14 screws that secure the system board to the shuttle, and
put the screws in a safe place.
13.
Pull the system board carefully out of the shuttle.
14.
If you are replacing the shuttle, continue with step 16 using the new shuttle
with the existing system board.
15.
If you are replacing the system board, continue with step 16 using the new
system board with the existing shuttle.
16.
Align the system board with the shuttle and replace the 30 screws that were
removed in step 11 and step 12 above. Be sure to replace the heat sink
retention modules that had been removed.
Attention:
Do not over-tighten the screws that secure the system board to
the shuttle.
17.
Slide the replacement shuttle, with its attached system board, in from the rear
of the server and close the board locking latch.
18.
Replace all components in the reverse order from which they were removed.
126
xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide