IBM xSeries 346 Hardware Maintenance Manual And Troubleshooting Manual page 81

13. Remove the four screws that secure the system board to the shuttle at the
external connectors.
14. Remove the other eight screws that secure the system board to the shuttle.
15. Pull the system board carefully out of the shuttle.
Heat sink retention
module screws (8)
16. Align the replacement system board with the shuttle and replace the 20 screws
that were removed.
Attention: Do not over-tighten the screws that secure the system board to
the shuttle.
To install the shuttle and replacement system board, slide the shuttle into the server
and close the shuttle locking latch. Replace all components in the reverse order
from which they were removed.
Chapter 5. Field replaceable units
71