Serta Executive Chair - Assembly Instructions; Step 1: Assemble Base and Gas Lift

Step 1
Select a smooth surface to avoid scratching the parts. Turn
the Star Base (B) upside down. Press the Casters (A) into holes
at the end of each leg. Turn the Star Base (B) upright and
insert Gas Lift with Telescoping Cover (C) into the central hole
of Star Base (B).
7
A
B
B
C