NEC Express5800/120Rh-2 N8100-1126F - Manual (Page 301)

Upgrading Your Server 9-27
13. Make sure that the heat sink is level.
NOTES:
„
If the heat sink is not level, remove it, and then install it again. The
following probably causes the heat sink not to be level:
– The CPU is not positioned correctly.
– All screws are not completely tightened.
„ Do not move the secured heat sink.
14. Install the processor air duct.
15. Install the support arm.
NOTE: When the support arm comes up, you may lose the screws.
Press firmly the support arm before tightening the screws.