Service manual

7-1
CHAPTER
7
Internal Access
This chapter describes how to access the Ultra 2 series computer for service.
This chapter contains the following topics:
■ Section 7.1 “Removing the System Unit Cover” on page 7-1
■ Section 7.2 “Attaching the Wrist Strap” on page 7-3
■ Section 7.3 “Replacing the System Unit Cover” on page 7-4
7.1 Removing the System Unit Cover
1. Power off the system unit.
See Section 6.2 “Powering Off the System Unit” on page 6-2.
2. Using a number 2 Phillips screwdriver, loosen the screw securing the lock block
(if installed) to the cover and back panel. Remove the lock block (
FIGURE 7-1).
3. Pull the two top cover tabs to free the cover from the back panel (
FIGURE 7-2).
4. Grasp the sides of the cover and proceed as follows:
a. Lift the cover from the back panel.
b. When the cover clears the back panel, move the cover away from the front
panel to free it from the chassis and set aside.