1. Sarrera
This manual provides detailed instructions for the assembly, operation, and maintenance of your Yaheetech Armless Office Chair, Model 592837. Please read this manual thoroughly before assembly and use to ensure proper function and safety.

Image 1.1: The Yaheetech Armless Office Chair, Model 592837, in Turquoise.
Ezaugarri nagusiak:
- Space-Saving Armless Design: Allows the chair to be tucked under desks, ideal for small spaces.
- Ergonomic S-shaped Backrest: Designed to support the natural curvature of the spine for comfort during extended use.
- Eserlekuaren altuera erregulagarria: Easily modify seat height from 16.3 to 21.7 inches to suit individual preferences.
- Eserleku betegarria erosoa: Features high-density foam and a dual-layer mesh covering for enhanced seating comfort.
- Eraikuntza sendoa eta iraunkorra: Built with a plastic backrest, foam-padded seat, steel gas spring, and nylon base with wheels, supporting up to 300 lbs.
2. Segurtasun informazio garrantzitsua
Please adhere to the following safety guidelines to prevent injury and ensure the longevity of your chair:
- Ez jarri aulkian.
- Ziurtatu osagai guztiak ondo lotuta daudela erabili aurretik.
- Ez gainditu 300 kiloko (136 kg) gehienezko pisu-ahalmena.
- Mantendu eskuak eta hatzak mugitzen diren piezetatik urrun doikuntza bitartean.
- Erabili aulkia gainazal lau eta egonkor batean.
3. Paketearen edukia
Muntaketa hasi aurretik, egiaztatu pieza guztiak daudela. Piezarik falta edo hondatuta badago, jarri harremanetan bezeroarentzako arreta-zerbitzuarekin.
- 1 x Bulegoko aulkia (osagai desmuntatuak)
- 1 x Argibide eskuliburua
- Necessary assembly hardware (screws, tools, etc. - typically included with chair components)

Image 3.1: Detail of the ergonomic backrest and breathable seat material.
4. Konfigurazioa eta Muntaketa
Assembly typically takes approximately 15 minutes. Follow the steps below for proper setup. It is recommended to assemble the chair on a soft, clean surface to prevent scratches.
- Gurpilak oinarrira lotu: Insert the five casters (wheels) into the holes at the end of each leg of the chair base. Push firmly until they click into place.
- Txertatu gas-igogailua: Jarri gas-igogailuaren zilindroa muntatutako aulkiaren oinarriaren erdiko zuloan.
- Attach Seat Plate to Seat: Secure the seat plate (mechanism with the lever) to the underside of the seat cushion using the provided screws. Ensure the lever faces the front of the seat.
- Bizkarraldea eserlekuari lotu: Connect the backrest to the seat plate using the designated screws.
- Konektatu eserlekuaren multzoa gas-igogailura: Carefully place the assembled seat and backrest onto the gas lift cylinder, aligning the center hole of the seat plate with the top of the gas lift. Press down firmly to secure.

Image 4.1: Key functional components of the chair, including the gas lift and wheels.

Image 4.2: Detail of the 360-degree rolling caster wheel.
5. Funtzionamendu-argibideak
5.1. Eserlekuaren altuera doitzea
To adjust the seat height, locate the lever beneath the right side of the seat cushion. The chair allows height adjustment between 16.3 and 21.7 inches.
- Eserlekua igotzeko: While seated, pull the lever upwards and slightly lift your weight off the seat. The seat will rise automatically. Release the lever at the desired height.
- Eserlekua jaisteko: While seated, pull the lever upwards. The seat will lower under your body weight. Release the lever at the desired height.
5.2. Biraketa funtzioa
Aulkia 360 graduko biraketa-funtzioarekin diseinatuta dago, oinarria mugitu gabe erraz biratzea ahalbidetuz.
5.3. Rolling Casters
The five-star nylon base is equipped with smooth-gliding 360-degree rolling wheels, enabling effortless movement across various floor surfaces.

Image 5.1: Visual representation of the chair's adjustable functions.
6. Mantentzea
Mantentze-lan erregularrak zure aulkiaren bizitza eta itxura luzatzen lagunduko du.
- Garbiketa:
- Sare-bizkarraldearentzat eta oihal-eserlekuarentzat, erabili oihal leun batampXaboi leun eta urarekin garbitu. Saihestu produktu kimiko gogorrak.
- Wipe plastic and metal parts with a clean, damp oihal.
- Ensure the chair is completely dry before use.
- Gurpilen zaintza: Aldian-aldian egiaztatu gurpilak ilea edo hondakinak pilatu diren ala ez, eta garbitu itzazu leunki ibiltzen direla ziurtatzeko.
- Hardwarearen egiaztapena: Every few months, inspect all screws and bolts to ensure they are tight. Re-tighten if necessary.
7. Arazoak
Aulkiarekin arazorik baduzu, jo ezazu honako arazo eta irtenbide ohikoenei:
| Arazoa | Kausa posiblea | Irtenbidea |
|---|---|---|
| Aulkiak ez du altuera doitzen. | Gas lift cylinder not properly installed or damaged; lever mechanism faulty. | Ensure the gas lift is fully inserted into the base and seat plate. Check if the lever is engaging the mechanism. If issues persist, contact support. |
| Aulkia kulunkatzen da edo ezegonkorra sentitzen da. | Torloju solteak edo muntaketa irregularra. | Egiaztatu eta estutu muntaketa-torloju guztiak. Ziurtatu aulkia gainazal lau batean dagoela. |
| Gurpilak ez dira leunki biratzen. | Gurpiletan harrapatutako hondakinak (ilea, hautsa). | Remove any obstructions from the caster wheels. |
8. Produktuaren zehaztapenak
| Ezaugarri | Xehetasuna |
|---|---|
| Marka | Yaheetech |
| Ereduaren izena | Bulegoko Aulkia |
| Elementuaren eredu-zenbakia | 592837 |
| Kolorea | Turkesa |
| Neurriak (Orokorrean) | 20"S x 22"Z x 36"A (gutxi gorabehera 35.63 x 21.65 x 19.69 hazbete) |
| Eserlekuaren sakonera | 18 hazbetekoa |
| Altuera erregulagarria | 16.3 - 21.7 hazbete |
| Gehienezko pisuaren gomendioa | 300 libra (136 kg) |
| Materiala | PP, Polyester Fibre, Nylon, Foam |
| Atzeko Estiloa | Mesh Back (S-shaped) |
| Beso estiloa | Besorik gabe |
| Hanka Estiloa | Wheels (Nylon Base) |
| Elementuaren pisua | 12.85 libra (5.83 kg) |

8.1 irudia: Produktuaren neurri zehatzak.
9. Bermea eta Laguntza
For warranty information or technical support, please refer to the documentation included with your purchase or contact Yaheetech customer service directly. Keep your purchase receipt for warranty claims.
Fabrikatzailea: Yaheetech
Laguntza gehiago behar baduzu, bisitatu Yaheetech-en webgune ofiziala. webgunea edo jarri harremanetan haien bezeroarentzako arreta-kanalekin.