HP 418800-B21 - StorageWorks Modular Smart Array 70 Storage Enclosure Maintenance And Service Manual page 53

Disconnect the cabling and extend or remove the enclosure from the rack.
b.
Remove the access panel:
3.
Lift the access panel latch (1).
a.
Slide the access panel to the rear (2).
b.
Remove the midplane:
4.
Remove the power supplies by disconnecting the power cords from the power supplies, pressing
a.
the latch inward (1), and then removing the power supplies (2).
Remove the fans by pressing up the lever (1) and sliding the fans out of the chassis (2).
b.
Removal and replacement procedures 53