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OPTIONAL EXTENDING THE MOUNTING RAIL
Combine Mounting Rails together using the BT8390-EXT
i. On the intended front facing side of item D1 insert 4 x item F1 half-way
into each slot, on the back side insert 1 x item F1 into the
top slot and 1 x item F1 into the third slot ( see g. 1).
Loosely fasten 2 item F2 on each joining bar xing it to the mounting rail.
ii. Slide another item D1 onto the joining bars and tighten all the grub screws,
combining the rails securely.
g. 1
GRUB
D1
SCREW
JOINING
F1
BACK
FRONT
D1
BAR
D1
F1
F2
Combined Rails
9
F3
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