Installing A Cpu Module - Sun Microsystems Netra T4 AC100 Service And System Reference Manual

9. Return the torque tool to its storage place in the system chassis.
10. Refit the top access cover.
See Section 5.6.3, "Fitting the Top Access Cover" on page 5-9.
9.2.3

Installing a CPU Module

1. Perform the steps listed in Section 9.2.1, "Preparation" on page 9-6 as required.
2. If you have not already done so, remove the purple plastic CPU shroud cover by
holding the tabs to release them and lifting the cover from the chassis.
3. Identify the slot to be used.
4. Without touching the heat sink and the connectors on the base of the CPU
module, insert the CPU module in the CPU shroud until it touches the socket on
the motherboard and the module's captive screws are aligned with the screw holes
in the CPU shroud.
5. Turn both screws by hand, clockwise, at the same time until they are finger tight.
6. Use the torque tool to tighten each screw until the gap in the tool closes.
See
FIGURE 9-3
Note – If you are using an adjustable torque tool, tighten the CPU module screws to
5 lbf-in.
Caution – Do not overtighten or subsequently retighten the screws.
7. Refit the shroud cover by sliding it back into place until the locking tags engage.
8. Return the torque tool to its storage place in the system chassis.
9. Refit the top access cover.
See Section 5.6.3, "Fitting the Top Access Cover" on page 5-9.
.The torque is now set at 5 lbf-in.
Chapter 9 Motherboard and Component Replacement 9-7