Chapter 8 Major Subassemblies 8-17

8.6.2 Replacing the Foot

1. Position the foot (FIGURE 8-7).
2. Using a number 2 Phillips-head screwdriver, tighten the screw securing the foot to
the chassis.
3. Position the system unit in the operating position.
4. Power on the system unit.
See Section6.1, “Powering On the System Unit” on page 6-2.
8.7 Speaker Assembly
Toremove and replace the speaker assembly, proceed as follows.

8.7.1 Removing the Speaker Assembly

1. Power off the system unit.
See Section6.2, “Powering Off the System Unit” on page6-3.
2. Remove the side access cover.
See Section7.1, “Removing the Side Access Cover” on page7-2.
Caution – Useproper ESD grounding techniques when handling components. Wear
an antistatic wrist strap and use an ESD-protected mat. Store ESD-sensitive
components in antistatic bags before placing them on any surface.
3. Attach the wrist strap.
See Section7.2, “Attaching the WristStrap” on page 7-3.
4. Remove the PCI fan assembly.
See Section8.2.1, “Removing the PCI Fan Assembly” on page 8-5.
5. Disconnect the speaker cable from the motherboard (FIGURE 8-8).
6. Using a number 2 Phillips-head screwdriver, remove the screw securing the
speaker assembly to the chassis.
7. Remove the speaker assembly.