5
5
step
8 9 0 1
2 3 4 5 6 7 8 9 0
1
2 3 4 5 6 7 8 9 0
8
9 0 1
2 3 4 5 6 7 8 9 0
1
2 3 4 5 6 7 8 9 0
8
9 0 1
2 3 4 5 6 7 8 9 0
1
2 3 4 5 6 7 8 9 0
x3
5-1
5-2
5-3
12
2
B
x2
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 5-3), make
sure the same number appears in all three windows.
Note: Number shown in
Step 5-2 is for illustration purposes only; attach rails at desired depth.