HP D3000 Disk Enclosures - Manual (Page 27)

4. To engage the front, pull the rail towards the front of the rack to engage the spring hook with
the RETMA column in the same manner as the rear spring hook.
NOTE: Make sure that the respective guide pins for the square or round hole rack align
properly into RETMA column hole spacing.
5. Secure rear of rack rail to the RETMA column with either the square- or round-hole shoulder
screws, provided in the plastic accessory bag.
6. Secure front of rail to the front RETMA column using the provided flat securing screw/guide
pin in the bottom screw position of the rail.
7. Slide the enclosure into position on the rails (1). Secure the chassis into the rack by tightening
the captive CTO screw behind the latch on the front left and right bezel ears of the chassis
(2).
CAUTION: The front CTO screw must be attached at all times when racked.
Racking the disk enclosure 27