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INSTALLATION INSTRUCTIONS
1.
INSERT M8 SLIDING NUTS INTO MOUNTING RAIL
a i. BT8390-WFK1 assembly - For each item A1 used, insert 2x item A4 into item B1.
1 in the top channel and 1 in the bottom channel.
b i. BT8390-WFK2 assembly - For each item A1 used, insert 4x item A4 into the item B1.
2 in the second from top channel and 2 in the bottom channel.
BT8390-WFK1 ASSEMBLY
B1
A2
B1
b. BT8390-WFK2 ASSEMBLY
B1
A2
A2
A2
8
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