A.) Attach the Butterfly Support Frame (#14) to the front of the Front Vertical Beam (#6). Attach
the Butterfly Pulley Support (#15) to the back of the Front Vertical Beam (#6). Secure them
with two M10 x 3” Carriage Bolts (#102), ∅3/4” Washers (#127), and M10 Aircraft Nuts (#132).
B.) Attach a Pull Pin Set (#98) to the Right Butterfly Arm (#31). Repeat for the Left Butterfly Arm
(#30).
C.) Slide a Butterfly Pulley Bracket (#16) onto the axle on the Right Butterfly Arm (#31). Make
sure the Clip is on the outside. Insert the axle on the Right Butterfly Arm (#31) into the hole on
the Butterfly Support Frame (#14) from the bottom up. Secure it with a ∅1 ½” Washer (#74)
and M12 Aircraft Nut (#131). Securely tighten all the nuts and bolts. Close the end with a
Round Cap (#130). Repeat the same procedure to install the Left Butterfly (#30).
D.) Place a ∅1 ½” Washer (#75) onto the axle on the bottom of the Left Butterfly Arm (#30). Slide
a Swivel Handle (#32) onto the axle. Secure it with a ∅3/4” Washer (#127) and M10 x ½”
Allen Bolt (#117). Repeat for the other side.
DIAGRAM 3
6
STEP 4 (See Diagram 4)
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