1. Important Safety Information
Please read all safety instructions before assembly and use. Failure to follow these instructions may result in injury or damage to the product.
- This product is designed for adult use. It is not suitable for children.
- Do not exceed the maximum static load capacity of 120 kg (approximately 265 lbs).
- Ensure the rocking function is used correctly as described in the operating instructions.
- Keep hands and fingers clear of moving parts during adjustment.
- Regularly check all bolts and screws to ensure they are tightened. Retighten if necessary.
2. Product Overview and Features
The Hbada J323 Office Chair is designed for comfort and functionality in various environments. Key features include:
- Flip-up Armrests: Armrests can be raised 90 degrees to allow the chair to be pushed under a desk, saving space.
- Ergonomic Mid-Back Design: The curved backrest supports the natural curve of your spine.
- Breathable Mesh Back: Provides ventilation and comfort during long periods of sitting.
- Thick Padded Seat: High-density sponge cushion offers gentle support for hips and thighs.
- 105-Degree Rocking Function: Allows for comfortable reclining and relaxation.
- Durable Construction: Made with reinforced nylon resin base and high-quality materials for extended lifespan.





3. Setup and Assembly
Assembly of the Hbada J323 Office Chair is designed to be quick and straightforward. Please follow these steps carefully.
- Unpack all components and verify against the parts list provided in the packaging.
- Attach the casters to the chair base by firmly pushing them into the designated holes.
- Insert the gas lift cylinder into the center hole of the chair base.
- Secure the armrests to the seat cushion using the provided screws. Ensure the left (L) and right (R) armrests are correctly oriented.
- Attach the backrest to the seat cushion assembly.
- Place the assembled seat and backrest onto the gas lift cylinder.
- Test all functions to ensure proper operation.
Assembly typically takes approximately 15 minutes.


4. Operating Instructions
Familiarize yourself with the chair's adjustable features for optimal comfort.
4.1. Seat Height Adjustment
To adjust the seat height, pull the lever located under the right side of the seat upwards while applying or releasing body weight. Release the lever at the desired height to lock it in place.
4.2. Armrest Adjustment
The armrests can be flipped up 90 degrees. To raise them, lift the armrests until they click into the upright position. To lower them, gently pull them down.
4.3. Rocking Function
The chair features a 105-degree rocking function. To activate, pull the lever located under the left side of the seat outwards. To lock the chair in an upright position, push the lever inwards.
The tension of the rocking mechanism can be adjusted by turning the round knob located at the front underside of the seat. Turn clockwise to increase tension (stiffer rock) and counter-clockwise to decrease tension (looser rock).

5. Maintenance
Proper maintenance will extend the life of your Hbada J323 Office Chair.
- Cleaning: Wipe the chair with a soft, damp cloth. For mesh areas, use a mild soap solution if necessary and allow to air dry. Avoid harsh chemicals or abrasive cleaners.
- Fasteners: Periodically check all screws and bolts to ensure they are tight. Retighten as needed to maintain stability and safety.
- Casters: Keep casters clean from hair and debris to ensure smooth movement.
- Gas Lift: Do not attempt to disassemble or repair the gas lift cylinder. Contact customer service if it malfunctions.
6. Troubleshooting
If you encounter any issues with your Hbada J323 Office Chair, refer to the following common solutions:
- Chair feels wobbly: Check all assembly screws and bolts. Ensure they are securely tightened.
- Seat height adjustment not working: Verify the gas lift lever is fully engaged. If the issue persists, the gas lift cylinder may need replacement. Contact customer service.
- Casters not rolling smoothly: Inspect casters for trapped debris (e.g., hair, lint) and clean them.
- Rocking function not engaging/disengaging: Ensure the rocking lever is fully pulled out or pushed in. Check the tension knob for proper adjustment.
For issues not listed here or if troubleshooting steps do not resolve the problem, please contact Hbada customer service.
7. Specifications
| Brand | Hbada |
|---|---|
| Model Number | J323 (HDNY188GMA-CB) |
| Product Dimensions (W x D x H) | 66 cm x 66 cm x 96.5 cm |
| Seat Height Range | 45-54 cm |
| Weight | 12 kg |
| Maximum Static Load Capacity | 120 kg |
| Materials | Breathable Mesh, High-Density Urethane Foam, Reinforced Nylon Resin Base, Polypropylene |
| Special Features | Flip-up Armrests, 105-degree Rocking Function, Space-saving Design |
| Assembly Required | Yes (Assembly instructions provided) |

8. Warranty and Support
The Hbada J323 Office Chair comes with a 3-year warranty service. This warranty covers free exchanges and repairs for initial defects or malfunctions.
If you have any questions, encounter issues, or require assistance with your product, please contact our customer service center. Please have your purchase information and model number (J323) ready when contacting support.
For customer service inquiries, please refer to the contact information provided with your purchase or visit the official Hbada website.