HPE Apollo z70 Maintenance And Service Manual page 30

a. Power down all servers.
b. If installed, remove the RCM module.
2. If you are replacing the PSU 1 and the RCM module is installed, remove the module.
3. Remove the power supply:
a. Release the power cord from the strain relief strap.
b. Disconnect the power cord from the power supply.
c. Press and hold the release lever, and then slide the power supply out of the bay.
30 Removal and replacement procedures