Vinsetto 921-470
Vinsetto Big and Tall Executive Office Chair Instruction Manual
Model: 921-470
1. Safety Information
Please read all safety information before assembly and use of the Vinsetto Executive Office Chair.
- This product has a maximum weight capacity of 400 lbs. Do not exceed this limit.
- Improper use of adjustable mechanisms or swivel wheels may cause injury.
- Use caution while utilizing the rocking function to prevent tipping or injury.
- Ensure all components are securely fastened before use. Regularly check for loose parts.
2. Package Contents
Verify that all components are present before beginning assembly. Refer to the included parts list in your packaging.

Image 2.1: Main product view of the Vinsetto Executive Office Chair.
3. Assembly Instructions
Assembly is required for this chair. Follow the step-by-step instructions provided in the separate assembly guide included in your product packaging. Ensure all screws and bolts are tightened securely.

Image 3.1: Diagram showing the dimensions of the Vinsetto Executive Office Chair.
For visual assistance with assembly and features, please refer to the official product video below:
Video 3.1: Official product video demonstrating features and potentially assembly steps for the Vinsetto Executive Office Chair.
4. Operating Instructions
The Vinsetto Executive Office Chair offers several adjustable features for personalized comfort:
4.1. Height Adjustment
To adjust the seat height:
- To raise the seat, lift the lever located on the right side of the chair while taking your weight off the seat.
- To lower the seat, lift the lever while remaining seated.
- Release the lever to lock the seat at the desired height.

Image 4.1: Illustration of the lever used for adjusting the chair's height.
4.2. Rocking Function and Tilt Tension
The chair features a rocking function and adjustable tilt tension:
- To enable the rocking function, pull the same lever (used for height adjustment) outwards.
- To lock the chair in an upright position, push the lever inwards.
- Adjust the tilt tension by rotating the knob located underneath the seat. Turn clockwise to increase tension (making it harder to rock) and counter-clockwise to decrease tension (making it easier to rock).

Image 4.2: Visual guide for engaging the tilt function and adjusting the tilt tension knob.
4.3. Mobility
The chair is equipped with 360° swivel wheels and a swivel seat for easy movement and rotation.
5. Maintenance and Care
To ensure the longevity and appearance of your Vinsetto Executive Office Chair:
- Cleaning: Wipe clean with a damp cloth. Avoid harsh chemicals or abrasive cleaners that may damage the PU leather upholstery.
- Inspection: Periodically check all bolts and screws to ensure they remain tight. Re-tighten if necessary.
- Casters: Keep the wheels free of debris to ensure smooth rolling.

Image 5.1: Detail of the stitching on the chair's upholstery, highlighting material quality.
6. Troubleshooting
If you encounter any issues with your chair, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not adjust height. | Gas lift mechanism is stuck or faulty. | Ensure the lever is fully engaged. If the issue persists, contact customer support. |
| Chair wobbles or feels unstable. | Loose bolts or uneven floor. | Check and tighten all assembly bolts. Ensure the chair is on a flat, even surface. |
| Casters do not roll smoothly. | Debris in casters or damaged wheels. | Clean any hair or debris from the wheels. If damaged, replacement casters may be needed. |
7. Specifications
Key specifications for the Vinsetto Executive Office Chair (Model 921-470):
- Brand: Vinsetto
- Model Name: Office Chair
- Item Model Number: 921-470
- Color: Brown
- Material: Faux Leather (Upholstery), Foam (Fill Material)
- Overall Dimensions: 26"W x 32"D x 44"-47.25"H (66cm W x 81.5cm D x 111.7-120cm H)
- Seat Dimensions: 21.5"W x 22"D x 20.5"-23.5"H (54.6cm W x 55.9cm D x 52-59.7cm H)
- Chair Backrest Width: 23.25 Inches (59cm)
- Maximum Weight Recommendation: 400 lbs (181 kg)
- Item Weight: 43.6 lbs (19.8 kg)
- Special Features: Swivel, Adjustable Height, Rocking Function
- UPC: 842525155137
8. Warranty and Support
For warranty information or technical support, please contact the manufacturer, Aosom LLC, or your retailer. Keep your purchase receipt and model number (921-470) handy for faster service.
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