Top Beam Assembly
①: Splice part#D1 & #D2, clamp the 2
sides with part #D; Use 3 bolts 3#
(including 1 bolt ,2 gaskets and 1 nuts)
to fix 2 part #D to part #D1 & #D2;
Clamp the two sides with part#E1/E2,
and tighten with 2 bolts 3#,
gaskets nuts.
Repeat the above procedures to
assemble another side.
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