NEC Express5800 series User Manual page 145

Firmly hold the additional hard disk drive (with the tray provided) and handle, and
8.
insert it into the slot.
IMPORTANT:
Push the hard disk drive until the handle hook butts to the frame.
Carefully hold the hard disk drive with both hands.
Hook
9. Slowly close the handle.
The handle is locked when a "click" is heard.
IMPORTANT:
handle and tray.
Confirm that the handle is hooked to the frame when having
NOTE:
inserted the hard disk drive.
Be careful not to get your finger caught between the
Upgrading Your NEC Storage 135