Vinsetto Ergonomic Office Chair

Safety Information

Intended Use: This product is designed for indoor use only, specifically for work and study.

Maximum Weight Capacity: 120 KG

General Safety Precautions:

• Ensure weight is evenly distributed to prevent the chair from falling.
• Before assembly, remove all parts from the box and verify that all components are included.
• Always keep your feet on the floor and avoid pressing your head against the headrest when reclining.
• When adjusting the backrest, ensure your fingers are safe and clear of pinch points.
• To avoid damage, do not pull or move the chair abruptly or forcefully.
• This chair is designed solely for sitting and not for any other purpose.
• Do not use the chair as a base or a ladder.
• Do not sit on the armrests.
• The chair is designed for one person at a time.
• If any parts are missing, damaged, or worn, discontinue use immediately.
• Avoid direct sunlight on the chair to prevent plastic components from becoming brittle.

Warning: Replacement or repair of components related to the height adjustment mechanism (especially those with energy storage) must only be performed by qualified personnel.

Maintenance Instructions

• Clean the chair using a vacuum cleaner.
• Wipe the chair with a fabric dampened with water.

Parts List

• Part 1: Casters (x5)
• Part 2: Chair Base (Star Base) (x1)
• Part 3: Gas Lift Cylinder (x1)
• Part 4: Gas Lift Cover (x1)
• Part 5: Mechanism (x1)
• Part 6: Backrest (x1)
• Part 7: Seat Cushion (x1)
• Part 8: Armrests (Left and Right) (x1 pair)
• Part 9: Lumbar Support Pad (x4)

Hardware List

• Hardware 10: M6*20mm Screw (x8 + 1 spare)
• Hardware 11: M6*35mm Screw (x4 + 1 spare)
• Hardware 12: M5 Allen Key (x1)

Assembly Instructions

Step 1: Base Assembly

Insert five casters (Part 1) into the five sockets of the chair base (Part 2). Place the gas lift cylinder (Part 3) into the center hole of the chair base. Slide the gas lift cover (Part 4) over the gas lift cylinder.

Step 2: Seat Mechanism Attachment

Place the seat cushion (Part 7) upside down. Align the mechanism (Part 5) with the pre-drilled holes on the underside of the seat cushion. Ensure the front of the mechanism (indicated by a label like "70%" or an arrow) faces the front of the seat. Secure the mechanism using four M6*20mm screws (Hardware 10).

Step 3: Armrest Attachment

Align the left armrest (Part 8L) with the corresponding mounting points on the underside of the seat cushion. Secure the left armrest using two M6*20mm screws (Hardware 10) and one M6*35mm screw (Hardware 11). Repeat the process for the right armrest (Part 8R), using two M6*20mm screws (Hardware 10) and one M6*35mm screw (Hardware 11).

Step 4: Backrest Attachment

Align the backrest (Part 6) with the mounting points on the rear of the seat assembly. Secure the backrest using four M6*35mm screws (Hardware 11).

Step 5: Lumbar Support Pad Attachment

Attach the four lumbar support pads (Part 9) to the designated slots or mounting points on the backrest (Part 6).

Step 6: Final Assembly

Carefully lift the assembled seat and backrest unit. Align the center hole of the mechanism with the top of the gas lift cylinder. Lower the seat assembly onto the gas lift cylinder until it is securely seated. The chair is now assembled.

Contact Information

For any questions or assistance, please contact the relevant customer care center:

• US: 001-877-644-9366, customerservice@aosom.com (Imported by Aosom LLC)
• CA: 416-792-6088, customerservice@aosom.ca (Imported by Aosom Canada Inc.)
• UK: 0044-800-240-4004, enquiries@mhstar.co.uk (IMPORTER: MH STAR UK LTD)
• FR: 0033-1-84166106, aosom@mhfrance.fr (Importé par/Fabricant/REP: MH FRANCE)
• DE: +49 4087408465, service@aosom.de (Importeur/Hersteller/REP: MH Handel GmbH)
• IT: 0039-0249471447, clienti@aosom.it (IMPORTATO DA/Produttore/REP: AOSOM Italy srl)
• ES/PT: 0034-931294512, atencioncliente@aosom.es / info@aosom.pt (IMPORTADOR/Fabricante/REP: SPANISH AOSOM, S.L.)

Please refer to local recycling guidelines: [Recycling Symbol]