HP BladeSystem c7000 Carrier-Grade Enclosure Maintenance and Service Guide

3. Remove the power supply or power supply blank.
DC Input Module
WARNING! Ensure that the power circuit breakers are turned off before handling the power
cables.
CAUTION: To prevent damage to the input module, all power connections and both ground
cables must be disconnected from the input module before it can be removed.
NOTE: Before removing the DC input module, you must power down the server blades and
enclosure. For more information on these procedures, see the HP BladeSystem c7000 Enclosure
Maintenance and Service Guide.
1. Switch all breakers to the Off position in the breaker panel or site power panel.
2. Unscrew the grounding nuts with a 3/8-inch socket, and then remove the ground cables.
3. Remove the DC input module cover.
a. Unscrew the captive screws.
b. Slide the cover forward to disengage its three top slots.
c. Lift the cover.
4. Remove the DC input module nuts using a #11 or 7/16-inch socket, and then remove the
power cables.
5. Loosen the three screws that secure the DC input module.
12 Removal and replacement procedures