HP Moonshot 1500 Maintenance And Service Manual page 52

Remove each switch module or switch module blank from the chassis.
12.
Remove the chassis from the rack (on page 25).
13.
Place the chassis on a flat, sturdy surface to support the chassis.
14.
Remove the midplane cover
15.
Pull up on the backplane release lever to disengage the backplane assembly.
16.
("Midplane cover" on page 39).
Removal and replacement procedures 52