Sanus Foundations EFA31 Manual De Instrucciones página 9

Optional rack rails are available in 18 in. and 12.5 in sizes. Sold separately.
1. If you have shelves already installed to your unit: remove any shelves
from above the location where you'll put your optional rack rails.
Slide the optional rack rails [21, 23] over the back pillars.
2.
3. Reattach your shelves, securing the top shelf with the large head
furniture bolt [14].
3
[18]
[21, 23]
(6901-002099 <01>)
[14]
[02]
OPT
OPT
1
[18]
2
[19, 20, 22]
4
[14]
[02]
[21, 23]
[02]
9