Introducció
Thank you for choosing the hjh OFFICE 653010 Ergonomic Swivel Office Chair. This chair is designed to provide optimal comfort and support during long hours of work, featuring a range of adjustable components to suit individual preferences. Please read this manual carefully before assembly and use to ensure proper function and longevity of your chair.

Imatge: Frontal view of the hjh OFFICE 653010 ergonomic swivel office chair.
Informació de seguretat
- Assegureu-vos que tots els components estiguin ben subjectats abans d'utilitzar-los.
- No us atureu a la cadira.
- Do not use the chair on uneven surfaces.
- Mantingueu les mans i els peus allunyats de les peces mòbils durant l'ajust.
- This chair is designed for individual use. Do not exceed the maximum weight capacity of 110 kg.
- Regularly inspect the chair for loose screws or damaged parts. Discontinue use if any damage is found.
Contingut del paquet
Upon opening the package, please verify that all components are present and undamaged. While specific part names may vary, a typical package for this chair includes:
- Backrest with mesh
- Seat with leather upholstery
- Reposacaps
- Reposabraços (2)
- Cilindre d'elevació de gas
- Base estrella
- Rodes (5)
- Mechanism unit
- Kit de ferramenta (cargols, volanderes, clau Allen)
- Assembly instructions (separate sheet, if included)
Muntatge i muntatge
Assembly typically requires no special tools beyond what is provided. Follow the detailed assembly instructions included in your product packaging. General steps include:
- Fixeu les rodes: Insert the five casters into the holes at the end of each leg of the star base until they click into place.
- Inseriu l'elevador de gas: Place the gas lift cylinder into the central hole of the star base.
- Fixeu el mecanisme al seient: Secure the mechanism unit to the underside of the seat using the provided screws. Ensure the front of the mechanism aligns with the front of the seat.
- Col·loqueu els recolzabraços: Fasten the armrests to the seat and backrest using the designated screws.
- Col·loca el respatller: Connect the backrest to the seat and armrests, securing with screws.
- Fixar el reposacaps: Slide the headrest into its designated slot at the top of the backrest.
- Connectar el seient a la base: Col·loqueu amb cura el seient i el respatller muntats sobre el cilindre d'elevació de gas.
Once assembled, sit on the chair to properly seat the gas lift and test all adjustments.
Instruccions de funcionament
Your hjh OFFICE 653010 chair offers several adjustment options for personalized comfort:
- Ajust de l'alçada del seient: Locate the lever on the right side under the seat. To raise the seat, lift the lever while taking your weight off the seat. To lower the seat, lift the lever while seated.
- Synchronous Mechanism (Recline and Tilt): The chair features a Syncron mechanism with a wide opening, adjustable in 4 positions. Use the lever on the left side under the seat to lock or unlock the recline function. Adjust the tension of the recline by turning the round knob located under the seat, typically at the front.
- Ajust de l'alçada del recolzabraços: The armrests are adjustable in 5 positions (21 to 29 cm). Press the button on the side of each armrest support and slide the armrest up or down to your desired height. The armrests can also be completely folded up if needed.
- Ajust del reposacaps: The headrest height and angle are adjustable. Grasp the headrest and move it up or down, or tilt it forward/backward to find your preferred position.
- Ajust del suport lumbar: The lumbar support is height adjustable. Locate the lumbar support pad on the backrest and slide it up or down to align with the natural curve of your lower back.
- Weight-Activated Casters: The chair is equipped with weight-activated casters for carpeted floors. These casters lock when no weight is applied to the chair, preventing unwanted movement, and unlock when you sit down.

Imatge: Lateral view illustrating chair adjustment points.
Manteniment
Proper maintenance will extend the life of your office chair:
- Neteja: For the mesh backrest, gently wipe with a damp cloth and mild soap. For the leather seat, use a specialized leather cleaner or a damp drap. Eviteu productes químics agressius o netejadors abrasius.
- Inspecció: Reviseu periòdicament tots els cargols i perns per assegurar-vos que estiguin ben ajustats. Torneu a apretar-los si cal.
- Cura de les rodes: Mantingueu les rodes lliures de cabells i deixalles per garantir un moviment suau.
- Lubricació: If any moving parts begin to squeak, a small amount of silicone-based lubricant can be applied.

Imatge: Enrere view of the chair, showing the mesh backrest.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La cadira no ajusta l'alçada | Mal funcionament de l'elevador de gas o palanca no accionada. | Assegureu-vos que la palanca d'ajust d'alçada estigui completament activada. Si el problema persisteix, és possible que calgui substituir l'elevador de gas. |
| La cadira grinyola | Loose connections or lack of lubrication. | Tighten all screws and bolts. Apply silicone-based lubricant to moving parts. |
| Les rodes no giren suaument | Restes a les rodes o rodes danyades. | Clean casters of any hair or debris. Replace damaged casters if necessary. |
| Recline mechanism not working | Recline lock engaged or tension too high. | Ensure the recline lever is in the unlocked position. Adjust the tension knob to a lower setting. |
Especificacions

Image: Chair dimensions diagram.
| Característica | Detall |
|---|---|
| Marca | HJH OFICINA |
| Número de model | 653010 |
| Color | Negre |
| Dimensions del producte (L x A x A) | 48 x 59 x 117 cm |
| Pes de l'article | 17 quilos |
| Material | Mesh/Leather |
| Material del marc | Metall |
| Característiques especials | Height-adjustable headrest, Ergonomic design |
| Rang d'alçada del seient | 45 cm - 57 cm |
| Amplada del seient | 49 cm |
| Pes màxim de l'usuari | 110 kg |
| Alçada recomanada per a l'usuari | 150 - 190 cm |
| Ajust de l'alçada del reposabraços | 5 positions (21 - 29 cm) |
| Rodes | Weight-activated for carpeted floors |
| Norma de seguretat | DIN EN 1335 part 2-3 |
Garantia i Suport
This hjh OFFICE 653010 chair comes with a 24 mesos de garantia des de la data de compra, que cobreix els defectes de fabricació. Conserveu el comprovant de compra per a reclamacions de garantia.
For technical support, spare parts, or warranty inquiries, please contact hjh OFFICE customer service. Refer to the contact information provided with your product packaging or visit the official hjh OFFICE weblloc d'assistència.
Manufacturer: hjh OFFICE





