Compaq AlphaServer ES45 Service Manual page 330

WARNING: To prevent injury, unplug the power cord
from each power supply before installing compo-
nents.
WARNING: Modules have parts that operate at high
!
temperatures. Wait 2 minutes after power is removed
before touching any module.
NOTE: Replacing the power harness requires the removal of other system
FRUs. Review the removal procedures for the power supplies, fans, and
drive cage before beginning the harness removal procedure.
1. Remove the power supplies and any blank power supply panels.
2. Remove the cover to the PCI card cage.
3. Remove fans 4 and 3 (the inner fans).
4. Unplug the connectors to each removable media device (except the floppy).
5. Remove the four screws that secure the removable media cage. Slide out
the cage to access the floppy power connector. Disconnect the floppy power
connector and slide the cage back in.
6. Unplug the power connector
7. Remove the harness from the cable clamps
8. Remove the drive cage (left cage in pedestal/rack, bottom cage in tower), if
installed, or the blank panel.
9. Remove the two Phillips flat-head screws that secure the small cover
the left side (pedestal/rack) or bottom (tower) of the system and remove the
panel. Set aside the screws. (Removing the small cover provides better ac-
cess to the power harness bracket.)
10. Remove the power harness bracket
latch to release the bracket, slide the bracket forward, and remove it .
11. Unplug the five connectors
8-66 ES45 Service Guide
to the drive cage or cages.
.
as follows: Push up on the spring
on the bottom of the system motherboard.
to