Step 1.
• Screw the castors into the five-star base
• Insert gas lift into the base with castors
• Place the Set over the gas lift and press
down
Step 2.
• Loosen knobe on the seat, side the backrest into the
back slot and tighten to desired height
Step 3.
• Slot the seat onto the gasslift and tighten
ET20 BK