1. Introduction
Welcome to the HOOOWOOO Ergonomic Mid Century Modern Office Chair instruction manual. This guide provides detailed information on the assembly, operation, maintenance, and troubleshooting of your new office chair. Designed for comfort and support, this executive chair features an extra-wide tufted cloudy seat, lumbar support, and a high reclining back, upholstered in premium suede leather.
Please read this manual thoroughly before assembly and use to ensure proper function and longevity of your chair.

Image: The HOOOWOOO Ergonomic Mid Century Modern Office Chair in Charcoal Gray, showcasing its design and comfortable appearance.
2. Informations importantes sur la sécurité
- Capacité de poids : The maximum weight capacity for this chair is 300 LBSNe dépassez pas cette limite afin d'éviter tout dommage ou blessure.
- Back Tilt Adjustment: Exercise caution when adjusting the back tilt to prevent injury. Ensure the chair is stable before reclining.
- Assemblée: Assemble the chair strictly according to the instructions provided. Ensure all screws and bolts are securely tightened before use.
- Placement: Place the chair on a flat, stable surface. Avoid placing it on uneven ground or near heat sources.
- Enfants: Keep children away from the chair during assembly. Do not allow children to play on or around the chair unsupervised.
- Nettoyage: Use only recommended cleaning methods. Avoid harsh chemicals that may damage the fabric or components.
3. Contenu du colis
Before beginning assembly, please verify that all parts listed below are present and undamaged. If any parts are missing or damaged, please contact HOOOWOOO customer support.

Image: Detailed diagram showing all components included in the package for assembly.
| Partie | Description | Quantité |
|---|---|---|
| A | Dossier | 1 |
| B | Accoudoir | 2 |
| C | Mécanisme | 1 |
| D | Vérin à gaz | 1 |
| E | Base | 1 |
| F | Jambes | 5 |
| G | Castor | 5 |
| H | Vis (M6*14mm) | 5 |
| I | Vis (M6*20mm) | 10 |
| J | Entretoise | 4 |
| K | Clé à molette | 1 |
4. Configuration et assemblage
Follow these steps to assemble your HOOOWOOO office chair. Refer to the "Package Contents" section for part identification.
- Assemblez la base :
Insert the five Legs (F) into the Base (E). Secure each leg with one Screw (H) using the Spanner (K). Ensure they are firmly attached.
Next, insert the five Castors (G) into the ends of the assembled legs. Push firmly until they click into place.
Finally, insert the Gaslift (D) into the center hole of the Base (E).

Image: Visual guide for assembling the chair's wheeled base.
- Attach the Mechanism to the Seat:
Align the Mechanism (C) with the pre-drilled holes on the underside of the chair seat (Part A, which is the main seat and backrest unit). Use four Screws (I) and four Spacers (J) to secure the mechanism. Ensure the lever of the mechanism faces the front of the seat.

Image: Attaching the central mechanism to the seat base.
- Fixez les accoudoirs :
Attach the two Armrests (B) to the sides of the chair seat using the remaining six Screws (I). Make sure they are securely fastened.
- Connecter le siège à la base :
Carefully place the assembled seat onto the Gaslift (D) that is already inserted into the Base (E). Press down firmly to ensure a secure connection.
Guide vidéo d'assemblage :
Video: A detailed assembly video demonstrating each step for setting up your office chair.
5. Mode d'emploi
Your HOOOWOOO office chair is designed with several adjustable features to enhance your comfort and productivity.
5.1. Réglage de la hauteur
Pour régler la hauteur de la chaise, repérez le levier situé sur le côté droit, sous le siège.
- Pour relever le siège : Lift the lever while standing up slightly to allow the gaslift to extend.
- Pour abaisser le siège : Lift the lever while seated, applying pressure to the seat.

Image: The chair's height adjustment mechanism and lever.
5.2. Back Tilt Adjustment
The chair offers versatile back tilt adjustment for various activities:
- Free Rocking: Pull out the lock lever (usually on the left side, beneath the seat) and loosen the tension knob (at the front of the mechanism) to allow the chair to rock freely.
- Lock Tilt: Push in the lock lever to fix the back tilt at your desired angle. The chair supports 3 different back tilt angles for comfortable working, cozy reading, or resting.

Image: Demonstrating the chair's recline and swivel capabilities.
5.3. Support ergonomique
This chair is designed with ergonomic features to provide optimal support:
- Soutien lombaire : The chair's design naturally supports the lower back, promoting a healthy posture.
- Back and Shoulder Support: The high backrest provides comprehensive support for your entire back and shoulders, reducing fatigue during long periods of sitting.
- Extra Soft Cloudy Seat: The seat is constructed with high-density foam, memory foam, and tufted cotton for hours of comfortable sitting, releasing hip pressure.

Image: Visual representation of the chair's ergonomic support zones.

Image : Coupe transversale view of the multi-layered seat for enhanced comfort.
5.4. 360° Swivel and Extra Wide Seat
The chair features a smooth 360-degree swivel function for easy movement and access to your workspace. Its 24.6-inch ultra-wide seat provides ample space, allowing for free sitting posture and accommodating larger individuals comfortably.

Image: Highlighting the generous width of the chair's seat.
5.5. Additional Product Videos:
Vidéo : Plusview of the Mid-back faux leather office chair, showcasinet ses caractéristiques et son design.
Video: High Back-Cloudy Seat Suede Ergonomic Executive Office Chair with Mid-Century Modern Design.
Video: High Back Cloudy Seat Executive Office Chair, Faux Leather Ergonomic Desk Chair.
Video: Mid-Back Office Chair with Suede Fabric, highlighting material and comfort.
Video: High Back Executive Office Chair, Faux Leather Ergonomic Desk Chair features.
Video: High Back-Cloudy Seat PU leather executive office chair, ergonomic high back home office chair.
6. Entretien
Proper care will extend the life and maintain the appearance of your HOOOWOOO office chair.
- Nettoyage: Nettoyer avec un chiffon doux, damp cloth. For tougher spots, use a mild soap solution and wipe dry immediately. Avoid abrasive cleaners or solvents.
- Suede Fabric Care: The premium suede fabric is designed to be breathable and soft. For general cleaning, a soft brush can be used to remove dust and light debris. For spills, blot immediately with a clean, dry cloth. Do not rub.
- Contrôles réguliers : Periodically check all screws and bolts to ensure they remain tight. Re-tighten if necessary to maintain stability and safety.
- Évitez la lumière directe du soleil : Prolonged exposure to direct sunlight can cause the fabric to fade or crack. Position your chair away from direct sunlight when possible.

Image: Detail of the premium suede fabric, emphasizing its quality and texture.
7. Dépannage
If you encounter any issues with your chair, refer to the common problems and solutions below. If the problem persists, please contact customer support.
| Problème | Cause possible | Solution |
|---|---|---|
| La chaise semble bancale ou instable. | Vis desserrées ou assemblage incorrect. | Check all assembly screws and bolts (H, I) and tighten them securely using the Spanner (K). Ensure the gaslift is fully seated in the base. |
| Seat buttons are loose or coming off. | Wear and tear, or initial manufacturing variation. | While buttons are generally secured, if they become loose, gently try to re-seat them. If they detach, contact customer support for guidance. Avoid snagging them. |
| Chair height is too low even at maximum adjustment. | Gaslift not fully extended or user expectation. | Ensure the height adjustment lever is fully engaged when raising the chair. If the chair does not reach the expected height, verify the gaslift (D) is correctly installed. Note that individual height preferences may vary. |
| Le fauteuil ne s'incline pas et ne se verrouille pas en position. | Locking lever or tension knob issues. | Ensure the tilt lock lever is fully engaged or disengaged as desired. Check the tension knob for proper adjustment. If the mechanism feels stuck, do not force it. |
8. Spécifications
| Attribut | Détail |
|---|---|
| Marque | HOOOWOOOO |
| Nom du modèle | HOOOWOOO (cf6d1347-82cb-49b1-a1a7-8ff1e1c7bae5) |
| Couleur | Gris anthracite |
| Taille | High Back-Cloudy Seat |
| Dimensions du produit | 31"P x 31"L x 47"H |
| Capacité de poids | ≤300 LBS |
| Style du dos | Tufted Back |
| Dossier spécial | Ergonomique |
| Instructions d'entretien du produit | Essuyer propre |
| Utilisations recommandées | Bureau |
| Style | Modern, Mid-Century Modern |
| Modèle | Solide |
| Type de finition | Mat |
| Type de chambre | Bureau |
| Style de bras | Armrests (Note: Product images and features confirm armrests are included despite 'Armless' in some data.) |
| Mouvement de la base du meuble | Rocher |
| Matériau de remplissage | Mousse à mémoire de forme |
| Nombre de positions allongées | 3 |
| Inclinaison | Oui |
| Largeur du dossier de la chaise | 24.6 pouces |
| Première date disponible | 27 octobre 2024 |
9. Garantie et assistance
HOOOWOOO is committed to providing high-quality products. For any warranty claims, technical support, or inquiries regarding your office chair, please contact HOOOWOOO customer service through the retailer's platform or the official HOOOWOOO website.
Veuillez conserver votre reçu d'achat comme preuve d'achat pour toute demande de service sous garantie.





