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Install the complete track (D & D1) between two (2)
columns (B) using screws (X).
Install the complete structure bar (F & F1) between
columns (A & A1) using screws (X).
Install track (C) between columns (A & B) and track (C1)
between columns (A1 & B) using screws (X).
Step
-
4
-
8
-
F1
F
D
D1
C
C1
A
A1
B
B
1
1
2
2
3
3
1
2
3
X
X
X
X