Introduction
Thank you for choosing the SIHOO B100 PRO Ergonomic Office Chair. This manual provides detailed instructions for the assembly, operation, maintenance, and troubleshooting of your new chair. Please read this manual carefully before assembly and use to ensure proper function and longevity of the product. Keep this manual for future reference.
The SIHOO B100 PRO office chair, designed for ergonomic comfort.
1. Setup and Assembly
The SIHOO B100 PRO chair is designed for straightforward assembly. All necessary tools, including an Allen wrench, auxiliary parts, and protective gloves, are included in the package. Follow the step-by-step instructions provided in the included assembly guide.
Assembly Steps Overview:
- Unpack Components: Carefully remove all parts from the packaging. Verify that all components listed in the assembly guide are present.
- Attach Casters to Base: Insert the silent PU casters into the chair base.
- Install Gas Lift: Place the gas lift cylinder into the center hole of the chair base.
- Assemble Seat and Backrest: Connect the seat and backrest components according to the diagrams.
- Attach Armrests: Secure the 4D adjustable armrests to the seat frame.
- Mount Headrest: Attach the 3D adjustable headrest to the top of the backrest.
- Connect Assembled Top to Gas Lift: Carefully place the assembled seat and backrest onto the gas lift cylinder.
While assembly is designed to be simple, some users may find certain steps require more effort. It is recommended to follow the visual instructions closely. If you encounter any difficulties, refer to the detailed diagrams in the included manual.
Exploded view of chair components for assembly.
Visual guide for connecting chair parts during assembly.
2. Operating and Adjustments
The SIHOO B100 PRO chair offers multiple adjustment options to customize your seating experience for optimal comfort and ergonomic support.
2.1. Seat Height Adjustment
To adjust the seat height, locate the lever on the right side under the seat. Pull the lever up while standing to raise the seat. To lower the seat, pull the lever up while seated. Release the lever at the desired height.
2.2. Reclining Function
The chair features a reclining range from 113° to 133°. To recline, pull the lever on the left side outwards (rocking ON). To lock the recline position, push the lever inwards (rocking OFF). The tension of the recline can be adjusted by turning the round knob located underneath the seat.
Reclining function from 113° to 133° for relaxation.
2.3. Headrest Adjustment
The 3D headrest can be adjusted vertically by 10 cm, tilted up to 45°, and the bracket angle adjusted by 20°. Adjust the headrest to support the natural curve of your neck and head, aligning your gaze with your screen.
Adjustable 3D headrest for neck and head support.
2.4. Lumbar Support Adjustment
The independent lumbar support system adapts to your lower back, maintaining the natural S-curve of your spine. The pressure of the lumbar support can be adjusted via a rotary knob.
Independent lumbar support for spinal alignment.
2.5. 4D Armrest Adjustment
The 4D armrests offer extensive adjustability: 4.5 cm forward/backward, 70° up/down, 360° left/right rotation, and 25° linked movement. Adjust them to support your arms and shoulders, reducing strain during long work sessions.
4D armrests provide versatile support for arms and shoulders.
2.6. Extendable Footrest
The chair includes an extendable footrest to provide full-body support, allowing for deeper relaxation. Pull the footrest out from under the seat when desired, and push it back in for storage.
Extendable footrest for enhanced relaxation.
2.7. Correct Posture Guide
For optimal ergonomic benefits, adjust your chair to maintain the following posture:
- Headrest: Supports the central curve of your neck. Keep your back straight and your gaze level with the screen.
- Backrest: Lumbar support should firmly support your lower back. Maintain the natural S-curve of your spine.
- Armrests: Relax your shoulders, bend your elbows at 90°, and support your forearms.
- Seat Height: Keep your feet flat on the floor, thighs parallel to the floor, and knees at 90°.
- Seat Depth: Ensure there is a 2-3 finger gap between the front edge of the seat and the back of your knees. Your thighs should be well supported.
- Reclining Tension: There should be moderate resistance when leaning back.
Guide to achieving correct ergonomic posture.
3. Maintenance
Regular maintenance will help preserve the appearance and functionality of your SIHOO B100 PRO office chair.
3.1. Cleaning the Mesh Fabric
The chair features a high-quality mesh material that is breathable and durable. To clean:
- Gently vacuum the mesh to remove dust and loose debris.
- For spills or stains, use a soft cloth dampened with mild soap and water. Blot the stained area gently; do not rub vigorously.
- Allow the mesh to air dry completely before use. Avoid using harsh chemicals or abrasive cleaners, as these can damage the fabric.
The breathable mesh material ensures comfort.
3.2. Casters and Base
The chair is equipped with silent PU casters designed to move smoothly and protect your floor. To maintain:
- Periodically check the casters for accumulated hair or debris and clean them as needed.
- Wipe the chair base with a damp cloth to remove dust.
3.3. General Care
- Avoid exposing the chair to direct sunlight for prolonged periods to prevent fading.
- Regularly check all screws and bolts to ensure they are tight. Retighten if necessary.
4. Troubleshooting
If you encounter any issues with your SIHOO B100 PRO chair, please refer to the following common problems and solutions:
4.1. Assembly Difficulties
- Problem: Parts do not fit together or screws do not align.
- Solution: Double-check the assembly diagrams in the manual. Ensure you are using the correct screws for each step. Sometimes, applying gentle pressure or slightly wiggling components can help align them. If a part appears damaged, contact customer support.
4.2. Chair Does Not Adjust Properly
- Problem: Seat height, recline, or armrests are not adjusting smoothly.
- Solution: Ensure all levers and knobs are fully engaged or disengaged as required for the adjustment. Check for any obstructions. For recline tension, ensure the knob is not overtightened or too loose.
4.3. Squeaking or Noise
- Problem: The chair makes noise during movement or adjustment.
- Solution: Check all bolted connections and tighten any loose screws. A small amount of silicone lubricant can be applied to moving parts if the noise persists, avoiding contact with mesh fabric.
4.4. Casters Not Rolling Smoothly
- Problem: Casters are stiff or accumulate debris.
- Solution: Remove any hair, dust, or debris wrapped around the caster wheels. Clean the casters regularly.
5. Specifications
| Feature | Detail |
|---|---|
| Brand | SIHOO |
| Model | B100 PRO |
| Color | Light Gray |
| Material | Polypropylene, Mesh |
| Product Dimensions (D x W x H) | 52 x 33.5 x 54 cm |
| Item Weight | 18.5 kg |
| Maximum Load Capacity | 136 kg |
| Recommended User Height | 150-190 cm |
| Armrest Style | 4D Adjustable |
| Headrest Style | 3D Adjustable |
| Reclining Angle | 113° to 133° (2 stages) |
| Casters | Silent PU Casters |
| Assembly Required | Yes |
Product dimensions and user recommendations.
6. Warranty Information
The SIHOO B100 PRO office chair comes with a 3-year quality guarantee from the date of purchase. This warranty covers manufacturing defects and ensures the product meets our quality standards. In the event of a product defect or malfunction within the warranty period, please contact our customer support team for assistance.
The warranty does not cover damage caused by improper assembly, misuse, accidents, modifications, or normal wear and tear.
7. Customer Support
For any questions, concerns, or assistance with your SIHOO B100 PRO office chair, please do not hesitate to contact our dedicated customer support team. Our Japanese support team is committed to providing prompt and courteous service.
Please refer to your purchase documentation or the SIHOO official website for the most current contact information.
