1. Product Overview
The Yaheetech Mid Back Office Chair is designed to provide comfort and support for various uses, including office work, reading, and relaxation. It features a breathable mesh backrest, adjustable seat height, and a reclining function to adapt to your needs. This manual provides essential information for assembly, operation, and maintenance of your new chair.
Image: The Yaheetech Mid Back Office Chair in Dark Gray, showcasing its design and features.
2. Safety Information
Important Safety Warning:
- This chair has a maximum weight capacity of 300 lbs (136 kg). Exceeding this weight recommendation can lead to chair instability or damage.
- Ensure all screws and bolts are securely tightened before use and periodically check for looseness.
- Do not stand on the chair.
- Keep hands and feet clear of moving parts during adjustment.
3. Assembly Instructions
Your Yaheetech office chair is designed for simple assembly, typically taking about 15 minutes. Please follow the steps below carefully. For a detailed visual guide, refer to the official Installation Manual PDF.
Image: Visual representation of the 6-step assembly process for the office chair.
- Attach the casters to the chair base.
- Insert the gas lift cylinder into the center hole of the base.
- Secure the backrest to the seat using the provided screws.
- Attach the armrests to the seat and backrest.
- Mount the seat plate mechanism to the underside of the seat.
- Place the assembled seat and backrest onto the gas lift cylinder.
For a comprehensive guide, download the Installation Manual (PDF).
4. Operating Instructions
Adjustable Seat Height
To adjust the seat height, locate the lever under the seat on the right side. While seated, pull the lever up to lower the seat. To raise the seat, lift the lever while standing or with minimal weight on the seat. The seat height can be adjusted from 46cm (18 inches) to 56cm (22 inches).
Reclining Function
The chair features a reclining function for added comfort. By simply pushing the lever or pulling it out, this mesh office chair can be tilted and leaned backward or locked in place for your various sitting positions. A tilt tension control knob under the seat is equipped to adjust the recline angle, allowing for a rocking motion between 90-120 degrees.
360-Degree Swivel and Rolling Casters
The chair is equipped with a 360-degree swivel function, allowing for easy rotation. The solid rolling casters provide smooth movement across various floor surfaces, enhancing mobility in your workspace.
Image: Demonstrates the chair's adjustable height, rocking motion, and 360-degree swivel capabilities.
5. Key Features
- Breathable Mid-Back Design: Features a densely knitted mesh backrest for better airflow, accelerating heat and moisture dissipation. The mid-back design supports your spine's natural curve and promotes proper posture.
- User-friendly Armrests: Ergonomic armrests provide consistent support for your arms, enhancing comfort during long periods of use.
- Adjustable Seat Height: Easily adjust the seat height from 46cm (18 inches) to 56cm (22 inches) to suit your needs.
- Robust Chair Construction: Constructed from hard-wearing polyester mesh, nylon star base, solid rolling casters, and a steel gas cylinder. It has passed BIFMA X5.1 Test and is recommended for users under 300 lbs.
- Reclining Office Chair: Allows for tilting and leaning backward or locking in place, with an adjustable tilt tension control knob for customized recline angles.
Image: Detailed view of the breathable mesh and integrated lumbar support for enhanced comfort.
6. Maintenance
To ensure the longevity and optimal performance of your Yaheetech office chair, follow these simple maintenance guidelines:
- Cleaning: Wipe clean with a damp cloth. Avoid harsh chemicals or abrasive cleaners that may damage the mesh or frame.
- Regular Checks: Periodically inspect all screws and bolts to ensure they are tight. Re-tighten if necessary to maintain stability and safety.
- Caster Care: Keep the casters free of hair and debris to ensure smooth rolling.
7. Troubleshooting
If you encounter any issues with your Yaheetech Mid Back Office Chair, please refer to the following common solutions:
- Chair is unstable/wobbly: Ensure all assembly screws are fully tightened. Check that the chair is on a flat, even surface.
- Casters not rolling smoothly: Inspect casters for trapped debris (hair, lint, etc.) and clean them.
- Gas lift not adjusting: Ensure the adjustment lever is fully engaged. If the issue persists, the gas lift may need replacement.
- Chair squeaks: Apply a small amount of lubricant to moving parts or connection points, particularly where the seat plate attaches to the gas lift.
If the problem persists after attempting these solutions, please contact Yaheetech customer support.
8. Specifications
Image: Detailed diagram illustrating the product dimensions.
| Specification | Detail |
|---|---|
| Brand | Yaheetech |
| Model Name | Office Chair |
| Model Number | YT-0009653601 |
| Color | Dark Gray |
| Product Dimensions | 24"D x 23.6"W x 38.2"H |
| Maximum Weight Recommendation | 300 Pounds (136 kg) |
| Seat Height | 17.7 - 22 inches (Adjustable) |
| Seat Depth | 20.7 inches |
| Chair Backrest Width | 16.5 Inches |
| Fill Material | Foam |
| Product Care Instructions | Wipe Clean |
Image: Visual representation of the chair's 300 lb weight capacity.
9. Warranty and Support
Yaheetech stands behind the quality of its products. For specific warranty details, please refer to the documentation included with your purchase or visit the official Yaheetech website. If you require assistance with assembly, operation, or have any questions regarding your chair, please contact Yaheetech customer support directly.
You can visit the official Yaheetech store on Amazon for more information and contact options: Yaheetech Store
