1. Introducció
Thank you for choosing the MARK ADLER Expert 6.2 Ergonomic Office Chair. This manual provides essential information for the safe assembly, operation, maintenance, and troubleshooting of your new office chair. Please read this manual thoroughly before assembly and retain it for future reference.

Image: The MARK ADLER Expert 6.2 ergonomic office chair.
2. Informació de seguretat
- Assegureu-vos que totes les peces estiguin presents i no estiguin danyades abans del muntatge. No utilitzeu el producte si hi falta alguna peça o si està trencada.
- Follow the assembly instructions carefully. Incorrect assembly can lead to instability and injury.
- No us atureu a la cadira.
- No utilitzeu la cadira com a tamboret.
- Mantingueu els nens i les mascotes allunyats durant el muntatge. Les peces petites poden ser un perill d'asfíxia.
- No supereu la capacitat màxima de pes de 150 kg (330 lliures).
- Regularly check all bolts and screws to ensure they are tightened. Retighten if necessary.
- Avoid exposing the chair to direct sunlight or extreme temperatures to prevent material degradation.
3. Contingut del paquet
Please verify that all components are included in your package:
- Muntatge del respatller
- Muntatge del coixí del seient
- Cilindre d'elevació de gas
- Base d’estrelles
- Rodes giratòries
- Reposabraços (esquerra i dreta)
- Reposacaps
- Mounting Hardware (Screws, Washers, Allen Key)

Imatge: Explosió view of chair components for assembly.
4. Instruccions de muntatge
Follow these steps to assemble your MARK ADLER Expert 6.2 office chair:
- Fixeu les rodes a la base: Insert the casters into the holes at the end of each leg of the star base. Push firmly until they click into place.
- Inseriu l'elevador de gas: Col·loqueu el cilindre d'elevació de gas al forat central de la base en estrella.
- Fixar els reposabraços al seient: Secure the armrests to the underside of the seat cushion using the provided screws. Ensure they are oriented correctly (left and right).
- Fixar el respatller al seient: Align the backrest with the seat mechanism and secure it with screws.
- Fixar el reposacaps: Slide the headrest into the designated slots at the top of the backrest.
- Connecteu el conjunt del seient a l'elevador de gas: Carefully place the assembled seat and backrest onto the gas lift cylinder. Press down firmly to secure.
- Comprovació final: Assegureu-vos que tots els cargols estiguin ben ajustats i que la cadira estigui estable abans d'utilitzar-la.
5. Instruccions de funcionament
Your MARK ADLER Expert 6.2 chair offers several adjustment features for optimal comfort and ergonomics:
- Ajust d'alçada de la cadira: Locate the lever on the right side, under the seat. Pull the lever up to raise the chair (when no weight is on it) or lower it (when seated). Release the lever to lock the height.
- Backrest Recline and Lock (SeatRest Mulitlock-Funktion): The mechanism allows the backrest to tilt to any desired position. Pull the recline lever (typically on the left side, under the seat) to unlock the recline. Lean back to your desired angle, then push the lever down to lock the backrest in place.
- Reposacaps ajustable: The headrest can be adjusted vertically to provide proper support for your neck and head. Simply slide it up or down to your preferred height.
- Suport lumbar: The flexible, ergonomic lumbar support is designed to provide adequate support to your spine. This feature automatically adjusts with your posture to maintain spinal alignment.
- Ajust del recolzabraços: The armrests are adjustable. Look for a button or lever on the side of the armrest to adjust their height.

Image: Detail of the chair's recline and headrest adjustment.
6. Manteniment i cura
To ensure the longevity and optimal performance of your MARK ADLER Expert 6.2 office chair, follow these maintenance guidelines:
- Neteja: For the mesh and fabric parts, use a soft cloth dampened with mild soap and water. Avoid harsh chemicals or abrasive cleaners. For the metal parts, wipe with a dry or slightly damp tela.
- Inspecció periòdica: Periodically check all screws, bolts, and connections to ensure they are tight. Retighten any loose fasteners to maintain stability and safety.
- Cura de les rodes: Clean the casters regularly to remove hair, dust, and debris that can impede smooth movement.
- Eviteu la sobrecàrrega: Do not exceed the chair's maximum weight capacity.
- Condicions ambientals: Keep the chair away from direct sunlight, excessive heat, or humidity, which can damage the materials.
7. Solució De Problemes
Si teniu algun problema amb la cadira, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| La cadira no ajusta l'alçada | Gas lift cylinder malfunction or lever issue. | Ensure the lever is fully engaged. If the problem persists, the gas lift may need replacement. |
| La cadira està inestable o trontolla | Cargols solts o muntatge incorrecte. | Check and tighten all assembly screws, especially those connecting the seat, backrest, and armrests. |
| Les rodes no giren suaument | Restes atrapades a les rodes o rodes danyades. | Remove any hair or debris from the caster wheels. If damaged, replace the casters. |
| Sorolls grinyols | Connexions fluixes o fricció entre les peces. | Tighten all screws. Apply a small amount of silicone lubricant to moving parts if necessary, avoiding contact with mesh or fabric. |
8. Especificacions
| Característica | Detall |
|---|---|
| Marca | MARK ADLER |
| Nom del model | expert 6.2 |
| Dimensions del producte (L x A x A) | 49 x 70 x 131 cm (aprox. 19.3 x 27.6 x 51.6 polzades) |
| Pes de l'article | 17 quilograms (aprox. 37.5 lliures) |
| Color | Negre |
| Material | Air Mesh HD Material |
| Capacitat màxima de pes | 150 kg (aprox. 330 lliures) |
| Característiques especials | Adjustable Headrest, Lumbar Support, Reclining Backrest with Lock, Breathable Mesh |

Image: MARK ADLER Expert 6.2 chair with key dimensions.
9. Garantia i Suport
For warranty information or technical support, please refer to the documentation provided with your purchase or visit the official MARK ADLER weblloc web. També podeu contactar directament amb el venedor per obtenir ajuda.



