step
x2
4
2
C
8
The rail attachment points are numbered to help you align each pair of rails at the
same depth. Before attaching the rails using the screws (shown in Step 4-3), make
sure the same number appears in the top and bottom rails. Note: Number shown
in Step 4-2 is for illustration purposes only; attach rails at desired depth.
5 6 7 8 9 0 1 2 3 4 5 6 7
8 9 0 1
2
3 4 5 6
5 6 7 8 9 0 1 2 3 4 5 6 7
8 9 0 1
2
3 4 5 6 7 8
5
4-1
4-2
7 8 9 0 1
2 3 4 5 6 7 8 9 0
1
2 3 4 5 6 7 8 9 0
9 0 1
2 3 4 5 6 7 8 9 0
1
2 3 4 5 6 7 8 9 0
4-3
x2