System Fan And Card Guide - Compaq AP400 Maintenance And Service Manual

3-14 Removal and Replacement Procedures

System Fan and Card Guide

To remove the system fan and card guide:
1. Perform the service preparations described on page 3-2.
2. Remove the following components:
workstation cover
I/O bracket assembly (expansion board bracket)
graphics controller (if installed)
3. Disconnect the fan cable from the backplane board (riser card) and disengage the cable
from the clip on the backplane board.
4. Remove the T-10 screw connecting the fan and card guide to the I/O bracket assembly.
5. Pivot the fan and card guide as shown, easing the hinges out of the slots and away from
the I/O bracket assembly.
6. Separate the fan from the card guide.
Figure 3-14. Removing the system fan and card guide
To replace the system fan and card guide and to reassemble the workstation, reverse the above
steps.
IMPORTANT: Before replacing the I/O bracket assembly, read "Important Guidelines for I/O
Bracket Assembly Replacement" earlier in this chapter.