Office Chair Hollowed-out Cushion

There are various models and styles of office chair hollowed-out cushions, and the installation steps vary for different models.

Common Models and Installation Steps

• W701 New Hollowed-out Seat Cushion: First, insert the five casters into the five-star base one by one. Then, insert the gas lift into the five-star base and press it gently. Next, use 4 short screws to fix the tray onto the seat cushion and tighten them with a wrench. Then, use 4 short screws to attach the armrests to the backrest. Note that the holes on the backrest are curved, so align them properly and do not tighten the screws yet. After that, use 4 medium-length screws to secure the backrest armrests to the seat cushion, tighten them with a wrench, and also tighten the screws on the backrest. Then, align the gas lift with the hole on the tray and insert it. Finally, use 2 short screws to fix the headrest onto the backrest, and the installation is complete. This chair has a headrest that can be raised and lowered and flipped forward and backward. The armrests can be adjusted forward and backward, rotated left and right, and flipped up and down. The seat height can also be adjusted freely.
• W208 Hollowed-out Computer Chair: When installing, note that the longer side is the front end and the shorter side is the rear end. First, turn the five-star base upside down and insert the 5 casters into it one by one. Insert the thicker end of the gas lift into the five-star base and press it gently, while paying attention to the front and back positions of the seat cushion. Then, align the armrests with the screw holes on the seat cushion, fix them with 6 thin and long screws, and tighten them with a wrench. Next, align the tray with the screw holes on the seat cushion, fix it with four thin and long screws, and tighten them. After that, align the backrest with the screw holes on the tray, put on the washers first, and then fix it with 3 thick and long screws and tighten them. Align the hole on the tray and insert the gas lift. Finally, align the headrest with the rail on the hanger and insert it, and fix it onto the backrest with two thin and medium-length screws. This chair has a multi-dimensional adjustable headrest that can be raised and lowered, moved forward and backward, rotated with double joints, moved left and right, and rotated at a large angle. The lumbar support can be adjusted in multiple gears for height. When pulled to the highest position, it can be reset and moved forward and backward. The seat cushion has a lever for one-click adjustment of the seat depth. The front lever can adjust the seat height. The footrest can be pulled out for storage and has three adjustable gears. The maximum reclining angle can reach 165° for a nap mode.

Other Styles

There is also a new-style lumbar support chubby hollowed-out cushion on the market, which is suitable for student chair cushions and memory foam office long-sitting backrest cushions. However, no specific installation steps are mentioned.