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Bison BA781 Installation & Safe Use Manual page 3

Adjustable height single and double sided pole systems

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10. Slide two Band Clamps (F) onto each Extension Arm (B). Attach Rims (H) and Backboards (G) to the
Backboard Mounting Adapters (C) using the hardware provided with the Rims (H). See Figure 4 and
Figure 5.
11. Place the Backboard Mounting Adapter (C),
Backboard (G), and Rim (H) assembly on to the end
of the pole. It is easiest to place assembly onto the
end of the pole upside down and then rotate 180°
before installing and tensioning the 1/2" Square
Head Set Screws (AA) and 1/2" Thin Jam Nuts
(BB). Confirm that the Rim (H) and Backboard (G)
are level. Tighten the 1/2" Square Head Set Screws
(AA) against the Extension Arm (B), then tighten
the 1/2" Jam Nuts (BB) to lock the 1/2" Square
Head Set Screws (AA). See Figure 6.
12.Use the Backboard Braces (D) to add stability to the
Backboard (G). Exact method of attachment will
depend on the Backboard (G) being used. In all
cases the Backboard Braces (D) will need to have
the two ends bent to match the appropriate angle
between the Band Clamps (F) and the mounting on the
rear of the Backboard (G). This can easily be
accomplished in a number of ways including contacting
the end of the Backboard Braces (D) on a concrete
surface. For fan-shaped or rectangular Backboards (G)
with horizontal slots in the rear use
7/16" x 1 1/2" Carriage Bolts (M), 7/16" Flat Washer (N),
7/16" Lock Washers (O) and 7/16" Hex Nuts (P) on the
backboard end. See Figure 7.
For Backboards with 3/8" threaded holes in the rear of the
Backboard (G) use 3/8" x 1" Hex bolts (Q),
3/8" Flat Washers (R) and 3/8" Lock Washers (S). In all
cases the lower end of the Backboard Braces (D) are
attached to the Band Clamps (F) using
5/16" x 2" Carriage Bolts (K) and 5/16" Flange Nuts (L)
tighten all Backboard Brace (D) hardware only when
Backboard (G) is plumb and rim is level.
See Figure 8.
FIGURE 4
FIGURE 6
3
FIGURE 5
FIGURE 7

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