HP 330 Service Information Manual page 57

7. To install the power supply, reverse steps 1 through 6. Be sure to replace the power
supply grounding screw.
-rop Cover
Preliminary Requirements
Turn the unit(s) off. Remove the power cord(s) and these assemblies:
1. All cables from the installed accessory cards.
2. Power supply access cover.
3.
Expander top cover, if the computer's top cover needs to be removed.
Expander Top Cover
\Vhen an expander is mounted on top of the computer, its original top cover is placed on the
computer and the conlputer's top cover is placed on the expander. Keep this in mind if top
covers need replaced. Chapter
8
in the Service Handbook lists top cover part numbers with
their original unit.
1.
Slide the expander's top cover to the rear and lift up on the back of the cover to remove
it.
2. To install the top cover, place the top cover on the chassis, ensuring the RF shield plates
are outside the sides of the chassis.
Assembly Note
When installing the top cover, ensure the lip on the back edge of the
top cover catches the tab on the chassis when the top cover. is fully
seated in place.
3. Slide the top cover forward and fit the front of the top cover inside the front cover edges
and engage the lip on both sides at the rear of the cover in the tabs on the chassis.
Computer Top Cover
~vVhen
an computer is used with an expander, its original top cover is placed on the expander
and the expander's top cover is placed on the computer. Keep this in mind if top covers need
replaced. Chapter 8 in the Service Handbook lists top cover part nurnbers with their original
unit.
1.
If an expander is installed:
a. Remove the expander's attaching screws shown in Figure 2-9.
Assembly Replacement 41