HP A3312A - Manual (Page 131)

Appendix A. A3312A Rackmount Installation
125
Rackmounting
9. Install the door (Figure 55, item 1). Drop the lower corner mounting hole onto the lower hinge
bracket pin (2) then swing the upper corner mounting slot into the upper hinge bracket pin (3).
Gently press on the front upper left corner of the door and snap the upper corner into the hinge
bracket pin.
Figure 55. Installing the Door