Introducción
This manual provides comprehensive instructions for the assembly, operation, and maintenance of your Yaheetech Ergonomic Swivel Office Computer Desk Chair. Designed for optimal comfort and support, this chair features an S-shaped ergonomic backrest, high-density foam padding, and smooth 360° mobility. Please read this manual thoroughly before assembly and use to ensure proper function and longevity of your product.

Figura 1: Frente view of the Yaheetech Ergonomic Swivel Office Chair.
Configuración y montaje
Para obtener instrucciones detalladas paso a paso, consulte el Manual de instalación oficial en PDF: Descargar Manual de Instalación (PDF).
Below is a summary of the assembly process, complemented by an official installation video.
Montaje terminadoview:
The assembly involves attaching the casters to the base, inserting the gas lift, securing the armrests to the backrest, attaching the seat plate to the seat cushion, and finally connecting the assembled top to the gas lift. Ensure all screws are tightened securely for stability.

Figure 2: Product installation accessories.
Vídeo de instalación oficial:
Video 1: Official Yaheetech Office Desk Chair Installation Guide. This video demonstrates the complete assembly process for the chair.
Instrucciones de funcionamiento
Your Yaheetech office chair is designed with several adjustable features to enhance your comfort and productivity.
Altura del asiento ajustable:
To adjust the seat height, locate the lever on the right side beneath the seat. Pull the lever upwards while applying or releasing your body weight to move the seat up or down. Release the lever to lock the height in place.

Figura 3: Palanca de ajuste de altura del asiento.
Tilt Tension and Rocking Motion:
The chair features a center-tilt tension mechanism. To adjust the rocking motion, turn the round knob located beneath the seat. Turn clockwise to tighten the tension (less rocking) and counter-clockwise to loosen it (more rocking). The backrest can recline between 90° and 105°.

Figure 4: Illustration of rocking motion and tilt tension knob.
Ajuste del soporte lumbar:
The lumbar support can be adjusted within a 5cm range to provide customized comfort and support to your lower back. Gently push or pull the lumbar support mechanism on the backrest to find your preferred position.

Figure 5: Moveable lumbar support for back comfort.
360° Mobility:
The chair is equipped with durable nylon swivel casters on a wide star base, allowing for smooth and effortless 360° rotation and movement across various floor surfaces without causing scratches.

Figure 6: 360° mobility provided by the chair's casters.
Producto terminadoview Video:
Video 2: Yaheetech Mesh Office Chairs Overview. This video highlights key features and benefits of the chair, including breathable materials, upgraded comfort, durability, and adjustability.
Mantenimiento
To ensure the longevity and optimal performance of your Yaheetech office chair, follow these simple maintenance guidelines:
- Limpieza: Limpiar con anuncioamp tela. Evite productos químicos agresivos o limpiadores abrasivos que puedan dañar la malla o la tela.
- Inspección regular: Revise periódicamente todos los tornillos y pernos para asegurarse de que estén bien apretados. Vuelva a apretarlos si es necesario para mantener la estabilidad.
- Cuidado de las ruedas: Mantenga las ruedas libres de pelos y residuos para garantizar un rodaje suave.
- Capacidad de peso: No exceda la capacidad máxima de peso de 300 libras para evitar daños y garantizar la seguridad.
Solución de problemas
If you encounter any issues with your Yaheetech office chair, please refer to the common problems and solutions below:
| Problema | Posible causa | Solución |
|---|---|---|
| La silla se tambalea o se siente inestable | Tornillos flojos o montaje incorrecto. | Ensure all screws, especially those connecting the seat plate to the backrest and the base, are securely tightened. Refer to the assembly instructions. |
| Difficulty adjusting seat height | Problema con el elevador de gas o mal funcionamiento de la palanca. | Check if the height adjustment lever is fully engaged. If the issue persists, the gas lift may need replacement. |
| Las ruedas no giran con suavidad | Residuos (cabello, polvo) atrapados en las ruedas. | Voltee la silla y retire con cuidado cualquier residuo de las ruedas. Lubrique si es necesario. |
| Backrest does not recline or adjust properly | Tilt tension knob too tight or mechanism obstruction. | Loosen the tilt tension knob. Check for any obstructions around the reclining mechanism. |
Especificaciones del producto
- Marca: Yaheetech
- Número de modelo: 25091546087593
- Color: Negro
- Estilo: Moderno
- Dimensiones del producto: 23.5" de profundidad x 23" de ancho x 39.5" de alto
- Peso del artículo: 18.9 libras
- Recomendación de peso máximo: 300 libras
- Material: Mesh back, foam-padded seat, steel gas spring, nylon base & wheels
- Características especiales: Adjustable Height, Arm Rest, Ergonomic, Rolling, Tilting
- Estilo de espalda: Parte trasera sólida (malla)
- Altura del asiento: 39.5 pulgadas (máximo)
- Componentes incluidos: User Manual, Installation Tools
- País natal: Porcelana
Garantía y soporte
Yaheetech is committed to providing high-quality products and customer satisfaction. For any inquiries or support needs, please contact Yaheetech customer service.
- Política de devoluciones: This product is eligible for a 30-day return for refund or replacement, as per standard policy.
- Tienda de la marca: Explore more products and information from Yaheetech at their official Amazon store: Tienda de Amazon Yaheetech.





