How to assemble & install an advantage glideaway bike carrier<br>Locate the receiver tube assembly (the heavy sub assembly wrapped in the brown corrugated insert) and the upright (the t-shaped component). These two parts make up the base components for the rack. Place the upright in position perpendicular to the receiver tube assembly.
The receive tube assembly is heavy.
the passage says the receive tube assemble is the heavy sub assembly so it is correct but for some reason the AI didn't link the two
( z1 heavy :domain ( z2 assembly :mod ( z3 tube :ARG0-of ( z4 receive ) ) ) )