1. Introduction
Thank you for choosing the Felicita Ergonomic Office Chair SLCH-10WHGY. This chair is designed to provide optimal comfort and support for long hours of work, featuring a breathable mesh back, adjustable lumbar support, a 3D headrest, and convenient flip-up armrests. Please read this manual carefully before assembly and use to ensure proper function and longevity of your chair.

Figure 1: Felicita Ergonomic Office Chair SLCH-10WHGY (White/Gray)
2. Package Contents and Assembly
Before beginning assembly, please ensure all parts are present and undamaged. Refer to the parts diagram below. Tools for assembly are included in the package.

Figure 2: Chair Components Overview
Assembly Steps:
- Install Casters: Insert the five rollers into the legs of the chair base.
- Insert Gas Rod: Place the gas rod vertically into the center hole of the chair base.
- Attach Armrest and Backrest: Connect the armrest and backrest using 4 screws (M6*25mm).
- Connect Armrest and Seat Cushion: Attach the armrest to the seat cushion using 4 screws (M6*30mm).
- Install Tray: Secure the tray to the underside of the seat cushion using 4 screws (M6*20mm).
- Attach Seat to Gas Rod: Insert the gas rod into the tray hole.
- Install Armrests (Side): Install the armrests to the side of the seat/backrest assembly using 2 screws (M8*25mm).
- Install Headrest: Attach the headrest to the top of the backrest using two screws (M6*25mm).
Video 1: Chair Assembly Guide. This video demonstrates the step-by-step process of assembling the Felicita office chair.
3. Operating Instructions
Your Felicita office chair offers several adjustable features to customize your seating experience.
3.1 Lumbar Support Adjustment
The lumbar support can be adjusted vertically and horizontally to fit the curve of your lower back, providing optimal support and reducing strain during prolonged sitting.
- Vertical Adjustment: The lumbar support can be moved up and down by 3cm.
- Horizontal Adjustment: The lumbar support can be moved forward and backward by 3cm.

Figure 3: Lumbar Support Adjustment
Video 2: Lumbar Support Adjustment. This video illustrates how to adjust the chair's lumbar support for personalized comfort.
3.2 Headrest Adjustment
The 3D headrest can be adjusted to support your head and neck comfortably.
- Height Adjustment: The headrest can be moved up and down by 5cm.
- Angle Adjustment: The headrest offers a 45-degree adjustable range to fit various head positions.

Figure 4: Headrest Adjustment
Video 3: Headrest Adjustment. This video demonstrates how to adjust the headrest's height and angle.
3.3 Armrest Adjustment (Flip-up)
The armrests are designed to flip up by 90 degrees, allowing you to push the chair closer to your desk or store it compactly when not in use.

Figure 5: Flip-up Armrests for Space Saving
Video 4: Armrest Adjustment. This video shows how to flip up the armrests.
3.4 Height Adjustment
Adjust the chair's height to find your ideal ergonomic position. The chair offers an 8cm height adjustment range.
- To raise the chair: Pull the lever upwards while taking your weight off the seat.
- To lower the chair: Pull the lever upwards while seated.
3.5 Rocking Function
The chair features a rocking function for relaxation. You can also adjust the tension of the rocking mechanism.
- Activate/Deactivate Rocking: Pull the lever outwards to enable rocking, push it inwards to lock the backrest in an upright position.
- Adjust Rocking Tension: Turn the round knob located under the seat to increase (clockwise) or decrease (counter-clockwise) the rocking tension.

Figure 6: Height and Rocking Adjustment Controls
Video 5: Height and Rocking Function. This video demonstrates how to adjust the chair's height and use the rocking feature.
4. Maintenance
Regular maintenance will help prolong the life of your Felicita office chair.
- Cleaning: For the mesh backrest and fabric seat, use a soft cloth dampened with mild soap and water. Avoid harsh chemicals or abrasive cleaners.
- Casters: Periodically check the casters for hair or debris and clean them to ensure smooth movement.
- Screws: Occasionally check all screws and tighten them if necessary to maintain stability.
5. Troubleshooting
If you encounter any issues with your chair, please refer to the following common problems and solutions:
- Chair does not adjust height: Ensure the gas rod is correctly inserted and the height adjustment lever is fully engaged. Check for any obstructions.
- Chair wobbles: Verify that all assembly screws are securely tightened.
- Casters are not rolling smoothly: Clean any debris (hair, dust) from the caster wheels.
- Rocking function is too stiff/loose: Adjust the rocking tension knob located under the seat.
If the problem persists, please contact customer support.
6. Specifications
| Feature | Specification |
|---|---|
| Model Number | SLCH-10WHGY |
| Product Dimensions (W x D x H) | 66 cm x 66 cm x 111-124 cm |
| Seat Height Range | 41 cm - 49 cm |
| Product Weight | Approx. 10 kg |
| Static Load Capacity | Approx. 120 kg |
| Back Style | Mesh Back |
| Seat Material | Polyurethane Foam |
| Upholstery Material | Reinforced Mesh Fabric (100% Polyester) |
| Frame/Legs Material | Resin (Nylon) |
| Caster Material | Nylon PU wrapped (Scratch-resistant, Quiet) |
| Battery Use | No |

Figure 7: Detailed Chair Dimensions
7. Warranty and Support
Your Felicita office chair comes with a 1-year warranty to ensure your peace of mind. The product has passed BIFMA strength tests by SGS, a world-renowned certification body, confirming its durability and safety.
For any inquiries, support, or warranty claims, please do not hesitate to contact us. Our customer support is available 365 days a year.
- Official LINE: @086sbarx
- Phone: 050-7114-5374
- Email: syalen.jp@gmail.com