STEP3
Insert the Support Rod (7) into the Bottom Fixing Bracket (6),
align the holes, install M10 Low Square Neck Bolt ( 8) and M10
Lock Nut (5), and tighten them until the support rod does not
move.
STEP4
Insert Adjustable Support Assembly (9) into the Support Rod (7),
and properly tighten the knob so that it does not slide down.