Indledning
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.

Figur 1: Forside view of the Yaheetech Ergonomic Swivel Office Chair.
Opsætning og montering
For detaljerede trinvise instruktioner henvises til den officielle installationsmanual i PDF-format: Download installationsmanual (PDF).
Below is a summary of the assembly process, complemented by an official installation video.
Montering forbiview:
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.
Officiel installationsvideo:
Video 1: Official Yaheetech Office Desk Chair Installation Guide. This video demonstrates the complete assembly process for the chair.
Betjeningsvejledning
Your Yaheetech office chair is designed with several adjustable features to enhance your comfort and productivity.
Justerbar sædehøjde:
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.

Figure 3: Seat height adjustment lever.
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.
Justering af lændestøtte:
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.
Produkt overview 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.
Opretholdelse
To ensure the longevity and optimal performance of your Yaheetech office chair, follow these simple maintenance guidelines:
- Rensning: Tør af med annonceamp cloth. Avoid harsh chemicals or abrasive cleaners that may damage the mesh or fabric.
- Regelmæssig inspektion: Kontrollér regelmæssigt alle skruer og bolte for at sikre, at de er stramme. Spænd dem igen om nødvendigt for at opretholde stabiliteten.
- Hjulpleje: Hold hjulene fri for hår og snavs for at sikre jævn rulning.
- Vægt kapacitet: Overskrid ikke den maksimale vægtkapacitet på 300 pund for at forhindre skader og sikre sikkerheden.
Fejlfinding
If you encounter any issues with your Yaheetech office chair, please refer to the common problems and solutions below:
| Problem | Mulig årsag | Løsning |
|---|---|---|
| Stolen vakler eller føles ustabil | Løse skruer eller forkert montering. | Ensure all screws, especially those connecting the seat plate to the backrest and the base, are securely tightened. Refer to the assembly instructions. |
| Vanskeligheder med at justere sædehøjden | Gas lift issue or lever malfunction. | Check if the height adjustment lever is fully engaged. If the issue persists, the gas lift may need replacement. |
| Hjul ruller ikke jævnt | Affald (hår, støv) fanget i hjulene. | Turn the chair over and carefully remove any debris from the caster wheels. Lubricate if necessary. |
| 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. |
Produktspecifikationer
- Mærke: Yaheetech
- Modelnummer: 25091546087593
- Farve: Sort
- Stil: Moderne
- Produktdimensioner: 23.5" D x 23" B x 39.5" H
- Varens vægt: 18.9 pund
- Maksimal vægtanbefaling: 300 pund
- Materiale: Mesh back, foam-padded seat, steel gas spring, nylon base & wheels
- Særlige funktioner: Adjustable Height, Arm Rest, Ergonomic, Rolling, Tilting
- Tilbage stil: Solid bagside (mesh)
- Sædehøjde: 39.5 Inches (Max)
- Inkluderede komponenter: User Manual, Installation Tools
- Oprindelsesland: Kina
Garanti og support
Yaheetech is committed to providing high-quality products and customer satisfaction. For any inquiries or support needs, please contact Yaheetech customer service.
- Returpolitik: This product is eligible for a 30-day return for refund or replacement, as per standard policy.
- Mærkebutik: Explore more products and information from Yaheetech at their official Amazon store: Yaheetech Amazon Store.





