B-Tech Mode-AL BT8711 Installation Manual page 7

2.
ATTACH MOUNTING BRACKET TO COLUMNS
i. Insert 4 x item C2 into item C1 and attach item C3.
Screw two full turns to leave item C3 at the end of item C2.
C6
C2
C1
C3
C3
C2
ii. Slide item C1 down the front slots of item A1 to the correct height and tighten items C2.
C1
A1
C3
C2
SLOTS
C1
A1
C2
C6
7