Lift your shelf up to the roof stiffeners and bolt using x4 M8x20 button heads & loctite

Fasten all bolts

Your bottom mounts will be supplied like so.

The larger mount, bolts underneath the shelf using x2 M6x20 buttons heads with a washer each side and a nyloc. The smaller mount, bolts on either on top or beneath the hold down bracket using an M8x25 button head and nyloc, as shown above. The two mounts then bolt together with a washer and M6 nyloc. 

Once the mounts are in the correct place, fasten the mount bolts.

Your Artemis shelf installation is now complete