HP E8400A C-Size VXI Mainframe User And Service Manual page 47

impeller wires
m3x6 flat head
torx screws
Chapter 3
backplane adapter board
Figure 3-4. Removing / Installing the Impeller.
6. Install the replacement impeller by lining up the horizontal slots on
the bottom of the impeller assembly with the raised edges on the
mainframe. Slide the impeller into the mainframe until the impeller
housing is over the screw locators.
7. Reconnect the impeller wires to the adapter board. Tighten the
impeller screws into the screw locators.
8. Re-install the impeller cover.
m4x8 pan head
torx screws
screw locators
(underneath impeller housing)
Troubleshooting and Repair 47