Introduction
This manual provides detailed instructions for the assembly, operation, and maintenance of your Sihoo M18 Ergonomic Office Chair. Please read this manual thoroughly before use to ensure proper setup and safe operation.
Brand: Sihoo
Model: M18
Safety Information
Warning:
- Do not exceed the recommended maximum weight limit of 150 kg (330 lbs).
- Always follow assembly instructions carefully to ensure safe use.
- Be cautious when adjusting chair parts to avoid injury.
- Ensure all screws and bolts are tightened securely before use.
- Keep children and pets away during assembly.
Product Features
- Multiple Adjustments: This office chair is designed for ergonomic work environments, featuring multiple adjustment functions. You can adjust the backrest, headrest, seat height, tilt angle, and armrests for a customized experience.
- High-Quality Mesh Backrest: The backrest is made from high-tensile, air-permeable mesh fabric. This promotes air circulation, enhances comfort, and provides a supportive sitting posture.
- Ergonomic Design: Certified by the Ergonomics Association, the chair's design is based on extensive research into human digital models, aiming to protect spinal health and significantly reduce spinal pressure.
- Easy Assembly: This comfortable chair is BIFMA and SGS certified. It can support a maximum of 150 kg. Assembly is quick and straightforward following the provided guide.
Setup and Assembly
Please ensure all components are present before beginning assembly. Refer to the included assembly instructions for detailed steps. A typical assembly process involves:
- Attach the casters to the chair base.
- Insert the gas lift into the center of the chair base.
- Attach the seat mechanism to the bottom of the seat cushion.
- Place the seat cushion onto the gas lift.
- Attach the backrest to the seat mechanism.
- Install the armrests.
- Attach the headrest.
Note: Assembly tools are included with the product.
Image: Diagram illustrating the dimensions of the Sihoo M18 office chair, with height 130cm, width 68.5cm, and depth 72cm.
Operating Instructions
Your Sihoo M18 office chair offers various adjustments to optimize your comfort and support.
1. Seat Height Adjustment
To adjust the seat height, locate the lever on the right side beneath the seat. While seated, pull the lever up to raise the seat. To lower the seat, pull the lever up while applying slight body weight. Release the lever to lock the height.
2. Backrest Tilt Adjustment
The chair features a tilt mechanism. To recline the backrest, pull the lever on the left side of the seat. Lean back to your desired angle and release the lever to lock it. To return to an upright position, lean forward slightly while pulling the lever.
3. Headrest Adjustment
The headrest can be adjusted vertically and for angle. Gently push or pull the headrest to move it up or down. Tilt it forward or backward to find the most comfortable position for your neck and head.
4. Lumbar Support Adjustment
The lumbar support is integrated into the backrest. Adjust its position by rotating the knob or sliding the mechanism on the back of the chair to provide optimal support for your lower back.
5. Armrest Adjustment
The armrests can be adjusted for height. Press the button on the side of each armrest and slide it up or down. Release the button to lock the armrest at the desired height.
Image: The Sihoo M18 ergonomic office chair, grey, positioned in a modern office environment with bookshelves in the background.
Maintenance
Regular maintenance will prolong the life and appearance of your Sihoo M18 office chair.
- Cleaning: Wipe the chair with a damp cloth for general cleaning. For mesh areas, use a soft brush or vacuum cleaner to remove dust. Avoid harsh chemicals or abrasive cleaners.
- Inspection: Periodically check all screws and bolts to ensure they are tight. Re-tighten if necessary.
- Casters: Keep the casters clean from hair and debris to ensure smooth movement.
- Gas Lift: Do not lubricate the gas lift. If it malfunctions, contact customer support.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not adjust height | Gas lift malfunction or lever not engaged. | Ensure the height adjustment lever is fully engaged. If the issue persists, the gas lift may need replacement. Contact customer support. |
| 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. |
| Casters do not roll 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 | Tilt mechanism locked or damaged. | Ensure the tilt lock lever is disengaged. If the mechanism is damaged, contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Brand Name | Sihoo |
| Model Name | M18 |
| Model Number | M18-M156 |
| Color | Grey |
| Materials | Metal, Aluminum Alloy + Mesh + Metal |
| Product Dimensions (Depth x Width x Height) | 72 cm x 68.5 cm x 125 cm |
| Item Weight | 17.2 kg |
| Back Style | Solid Back |
| Frame Material | Nylon |
| Special Features | Comfortable, Adjustable Headrest, Lumbar Support, Swivel |
| Product Care Instructions | Wipe Clean |
| Recommended Uses | Relaxation, Gaming, Drawing, Reading, Sleeping, Office |
| Room Type | Office |
| Age Range Description | Adult |
| Included Components | Assembly Tools/Hardware |
| Surface Recommendation | Hard Floor |
| Indoor/Outdoor Usage | Indoor |
| Maximum Weight Recommendation | 150 kg |
| Assembly Required | Yes |
| Tilt Function | Yes |
Warranty and Support
For warranty information and customer support, please refer to the documentation included in your product packaging or visit the official Sihoo website. Ensure you retain your proof of purchase for warranty claims.
If you encounter any issues not covered in the troubleshooting section, please contact Sihoo customer service for assistance.