To remove, pull the crisper out to full extension, lift the front up, and pull straight out.
To reassemble, slightly tilt up the front of the crisper, insert it into the frame, and push it back into place.
Remove the crisper drawers (as described above).
Reach in under the glass and lift up.
Gently push the glass up and out.
Remove both crisper drawers.
Remove the crisper glass.
While holding the support and crisper cover, pull up and out.