AlleyOOP Sports 14ft VariableBounce Trampoline System User Manual page 12

5)
Connect another leg assembly to same rail with 2 sockets.
7)
Connect next leg assembly to rail with 2 sockets.
>> Repeat Steps 5 and 6 all the way around until all rail pieces
and leg assemblies are connected together.
Assembly and Installation Instructions
6)
Connect rail with no sockets, then rail with 2 sockets.
8)
Completed frame.
Note: The frame may not be snug at this point. This is normal
until you start adding the mat and springs, which add tension to
the frame to help keep everything snug.
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