STEP 5 (See Diagram 5)
A.) Attach the Backrest Board (#51) to the Rear Vertical Beam (#8). Secure it with two
M8 x 2 ½” Allen Bolts (#52) and
∅
5/8” Washers (#35).
B.) Attach the Butterfly Support (#43) and the Butterfly Pulley Support (#48) to the Rear
Vertical Beam (#8). Secure them with two M10 x 3” Carriage Bolts (#66), two
∅
¾”
Washers (#5), and two M10 Aircraft Nuts (#6).
C.) Attach the Right Butterfly (#41) to the Axle on the Butterfly Support (#43). Secure it
with a
∅
1 ½” Washer (#45) and M12 Aircraft Nut (#46). Repeat the same
procedure to install the other side.
D.) Slide two Butterfly Foam Rolls (#40) onto the Butterfly Arms.
DIAGRAM 5
8
