better homes BG1755B Assembly Manual page 14

Assembly instructions
Ⅱ Attach 4pcs BB, do not tighten screws completely. Attach Side burner shelf Assy.(49)
,
to Lid Assy.(1). And tighten the BB screw, and then tighten 1 AA screw.
BB M6X12mm Screw
Ⅲ Open the Side burner lid (1), remove Side burner trivet (48) and Side burner Assy.(51)
,
X4
AA M4X12mm Screw
14
X1