Yaheetech YT-00123163A
Yaheetech Mid-Back Office Chair Instruction Manual
Model: YT-00123163A (Light Gray)
Introduction
Thank you for choosing the Yaheetech Mid-Back Office Chair. This manual provides detailed instructions for assembly, operation, and maintenance to ensure safe and efficient use of your new chair. Please read all instructions carefully before assembly and retain this manual for future reference.

Image: Yaheetech Mid-Back Office Chair in a modern office setting, highlighting its sleek design and versatility.
Safety Information
WARNING: This product can expose you to chemical Di(2-ethylhexyl)phthalate (DEHP) and Lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov/furniture.
Always ensure all screws are tightened securely before use. Do not stand on the chair. Do not use the chair if any parts are damaged or missing. Keep children away from moving parts during adjustment.
Package Contents
Please verify that all components are present before beginning assembly. All necessary hardware and tools are included.
- Backrest
- Seat Cushion
- Armrests (2)
- Gas Lift Cylinder
- Star Base
- Casters (5)
- Mechanism Plate
- Hardware Pack (screws, Allen wrench)
- User Manual (this document)
Setup and Assembly
Assembly is required. Illustrated instructions and necessary hardware and tools are provided. For a clearer, step-by-step demonstration, please refer to the assembly video below.
Important Pre-Assembly Step:

Image: Hands removing a black plastic cap from the top of a gas lift cylinder. This cap must be removed before assembly to allow the gas lift to function correctly.
Please remove the black plastic cap from the gas lift cylinder before installation.
Assembly Video:
Video: A detailed guide on how to install the Yaheetech Mid-Back Office Chair, demonstrating each step of the assembly process.
Additional Assembly Tip:
Video: A short clip emphasizing the crucial step of removing the black plastic cap from the gas lift before assembly.
Operating Instructions
Your Yaheetech office chair is designed for comfort and mobility with several adjustable features.
Adjustable Seat Height:
The SGS-Certified pneumatic cylinder allows you to easily adjust the seat height from 18.3 inches to 22 inches. Pull the lever located under the seat upwards to raise or lower the seat to your desired height, adapting to various table or desk heights.
360° Swivel and Mobility:
The 360° swivel seat and smooth-rolling casters provide must-have mobility, allowing you to move freely and smoothly between tasks without standing up.
Center-Tilt Tension and Rocking Function:
The chair features a rocking function (90°-120°). Use the control knob under the seat to adjust the tilt tension to your preference. Pull the lever outwards to activate the rocking function and push it inwards to lock the backrest in an upright position.

Image: A visual representation of the chair's multi-adjustment features, including smooth 360° mobility, adjustable seat height, and 90°-120° rocking function.

Image: Close-up diagram detailing the center-tilt tension feature, explaining how to activate and deactivate the tilt function and adjust the tension for personalized comfort.
Product Features Overview:
Video: An overview of the Yaheetech Mid-Back Office Chair, showcasing its key features like adjustable height, swivel base, and comfortable design.
Maintenance
To maintain the appearance and longevity of your chair, wipe clean with a damp cloth. Avoid harsh chemicals or abrasive cleaners that may damage the faux leather finish.

Image: Close-up of the high-quality PU leather material, demonstrating its texture and water-resistant properties, making it easy to clean.
Troubleshooting
If you encounter any issues with your Yaheetech Mid-Back Office Chair, please refer to the assembly instructions to ensure all parts are correctly installed and tightened. For further assistance, contact Yaheetech customer support.
Specifications
| Feature | Detail |
|---|---|
| Brand | Yaheetech |
| Model Number | YT-00123163A |
| Color | Light Gray |
| Material | Faux Leather (PU Leather), Foam Fill |
| Product Dimensions | 25"D x 24"W x 41.5"H |
| Seat Height Range | 18.3" to 22" |
| Seat Dimensions | 19"W x 18"D |
| Backrest Width | 18.7 Inches |
| Maximum Weight Recommendation | 300 Pounds |
| Special Features | Adjustable Height, Arm Rest, Ergonomic, Upholstered Leather, Swivel, Center-Tilt Tension |
| Item Weight | 26.5 pounds |
Warranty and Support
For warranty information, replacement parts, or technical support, please contact Yaheetech customer service through your purchase platform or visit the official Yaheetech website. Please have your model number (YT-00123163A) and purchase date available when contacting support.
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