Introduction
Thank you for choosing the VITESSE Big and Tall Office Chair. This manual provides detailed instructions for assembly, operation, and maintenance to ensure safe and optimal use of your new chair. Please read this manual thoroughly before assembly and retain it for future reference.
Image: The VITESSE Big and Tall Office Chair, featuring a black faux leather finish and ergonomic design, positioned in a modern office environment.
Safety Information
- Maximum Weight Capacity: The chair is designed to support a maximum weight of 400 lbs (181 kg). Do not exceed this limit to ensure safe and proper use and to prevent damage to the chair or injury.
- Ensure all screws and bolts are securely tightened before use. Periodically check and re-tighten as necessary.
- Do not stand on the chair.
- Keep hands and fingers clear of moving parts during adjustment.
- Use the chair only for its intended purpose as an office or gaming chair.
Image: A visual representation highlighting the chair's weight capacity. Note: The product description states 400 lbs, while this image shows 300 lbs. Please refer to the 400 lbs specification for this model.
Package Contents
Before beginning assembly, please ensure all components are present and undamaged. If any parts are missing or damaged, please contact customer support.
- Chair Backrest
- Seat Cushion
- Armrests (2)
- Chair Base (5-star)
- Casters (5)
- Gas Lift Cylinder
- Gas Lift Cover
- Mechanism Plate
- Hardware Pack (screws, washers, Allen wrench)
- Assembly Instructions
Assembly Instructions
Assembly is required. All necessary parts, tools, and hardware are included in the package. Follow the step-by-step instructions provided in the separate assembly guide for detailed visual assistance. A general overview of the assembly process is as follows:
- Attach the casters to the chair base.
- Insert the gas lift cylinder into the center hole of the chair base, then place the gas lift cover over it.
- Attach the mechanism plate to the underside of the seat cushion using the provided screws.
- Attach the armrests to the seat cushion and backrest.
- Connect the backrest to the seat cushion.
- Place the assembled seat and backrest onto the gas lift cylinder.
- Ensure all connections are secure.
Operating Instructions
Your VITESSE office chair offers multiple adjustment options to customize your seating experience for optimal comfort and support.
1. Seat Height Adjustment
To adjust the seat height, pull the lever located on the right side of the chair upwards while seated. To lower the seat, remain seated and pull the lever. To raise the seat, stand up and pull the lever. Release the lever at the desired height.
2. Backrest Recline and Rocking Mode
The backrest angle can be adjusted from 90° to 160°. Pull the recline lever (typically on the left side) to unlock the backrest, lean back to your desired angle, and release the lever to lock it in place. The chair also features a rocking mode. To activate or deactivate the rocking function, use the tension control knob located underneath the seat.
3. Lumbar Support Adjustment
This chair features 3D incite lumbar support, allowing you to adjust the support to best fit your lower back. Specific adjustment mechanisms may vary; refer to the detailed assembly guide for precise instructions on adjusting the lumbar support.
Image: An illustration demonstrating the ergonomic design of the chair's backrest, highlighting how it supports the spine and provides lumbar comfort.
4. Flip-Up Armrests
The armrests are designed to flip up, allowing you to push the chair closer to your desk or for easier movement. Simply lift the armrests upwards until they lock into the vertical position. To lower them, gently pull them down.
Image: The VITESSE office chair with its armrests in the flipped-up position, demonstrating the space-saving functionality.
Image: A visual guide indicating the three primary adjustment points of the chair: rocking mode, seat height, and tension control, along with backrest recline angles.
Maintenance
- Cleaning: The chair is made with soft, skin-friendly faux leather that is resistant to stains and scratches. To clean, wipe with a damp cloth and mild soap. Avoid harsh chemicals or abrasive cleaners.
- Hardware Check: Periodically check all screws and bolts to ensure they are tight. Re-tighten as needed to maintain stability and safety.
- Caster Care: Keep casters free of debris (hair, dust, etc.) to ensure smooth movement.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair wobbles or feels unstable. | Loose screws or uneven floor. | Check and tighten all assembly screws. Ensure the chair is on a flat, even surface. |
| Seat height adjustment not working. | Gas lift cylinder malfunction or lever issue. | Ensure the lever is fully engaged. If the issue persists, the gas lift may need replacement. Contact support. |
| Casters not rolling smoothly. | Debris caught in casters. | Turn the chair over and remove any hair, dust, or debris from the caster wheels. |
| Backrest does not recline or lock. | Recline mechanism jammed or lever not fully engaged. | Check the recline lever and ensure it moves freely. Apply slight pressure to the backrest while adjusting. |
Specifications
| Feature | Detail |
|---|---|
| Brand | VITESSE |
| Model Name | dx-mbsbup-blk |
| Color | Black |
| Material | Faux Leather (Seat Material: Leather, Fill Material: Foam) |
| Frame Material | Metal |
| Product Dimensions (D x W x H) | 22.5"D x 21.25"W x 48.22"H |
| Item Weight | 32 Pounds (approx. 14.5 kg) |
| Seat Depth | 19.3 inches |
| Maximum Weight Recommendation | 400 Pounds (approx. 181 kg) |
| Back Style | Solid Back with Ergonomic Curve |
| Arm Style | Flip-up Track Arm |
| Reclining Position Count | 7 (90° to 160° adjustment) |
| Assembly Required | Yes |
Image: A technical drawing illustrating the key dimensions of the VITESSE Big and Tall Office Chair, including height, width, and depth measurements.
Warranty and Support
For warranty information, product support, or to order replacement parts, please contact VITESSE customer service. Refer to your purchase documentation or the manufacturer's website for contact details.
Manufacturer: VITESSE
Model Number: dx-mbsbup-blk
ASIN: B0DRX4F4PD