Introducció
This manual provides comprehensive instructions for the assembly, operation, maintenance, and troubleshooting of your KERDOM 968ZK Ergonomic Office Chair. Please read this manual carefully before use to ensure proper assembly and safe operation. This chair is designed to provide comfortable support with its ergonomic features, breathable mesh, and multiple adjustment options.

Image: The KERDOM 968ZK Ergonomic Office Chair in a typical office setting, showcasing its design and features including the rollerblade wheels.
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 if any parts are damaged or missing.
- Maximum weight capacity: 150 kg (330 lbs). Do not exceed this limit.
- Mantingueu els nens allunyats de les peces mòbils durant l'ajust.
Contingut del paquet
Abans del muntatge, verifiqueu que totes les peces siguin presents i no estiguin danyades. Si hi ha alguna peça que falti o que estigui danyada, poseu-vos en contacte amb el servei d'atenció al client.
- Muntatge del respatller
- Muntatge del coixí del seient
- Reposabraços (2)
- Reposacaps
- Cilindre d'elevació de gas
- Base d’estrelles
- Rodes (5)
- Placa de mecanisme
- Kit de ferramenta (cargols, volanderes, clau Allen)
Muntatge i muntatge
Follow these steps to assemble your KERDOM 968ZK office chair. It is recommended to assemble the chair on a soft, clean surface to prevent damage.
- Fixeu les rodes a la base: Introduïu les cinc rodes als forats de l'extrem de cada pota de la base d'estrella. Empenyeu-les fermament fins que encaixin al seu lloc.
- Inseriu l'elevador de gas: Col·loqueu el cilindre d'elevació de gas al forat central de la base en estrella.
- Fixeu la placa del mecanisme al seient: Align the mechanism plate with the screw holes on the underside of the seat cushion. Ensure the front of the mechanism faces the front of the seat. Secure with screws using the provided Allen wrench.
- Fixar els reposabraços al seient: Secure the armrests to the sides of the seat cushion using the designated screws.
- Fixar el respatller al seient: Connect the backrest assembly to the mechanism plate and seat cushion using the appropriate 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: Col·loqueu amb cura el seient i el respatller muntats sobre el cilindre d'elevació de gas, assegurant-vos que estigui centrat i estable.

Image: Illustration of the chair's robust components including the high-quality pneumatic rod, steel base, and mute nylon wheels, essential for assembly.

Image: Detail of the strong wheelbase and smooth blade wheels, highlighting their design for stability and floor protection.
Instruccions d'ús i ajustos
Your KERDOM 968ZK chair offers several adjustable features to customize your seating experience for optimal comfort and ergonomic support.
1. Ajust d'alçada del seient
To adjust the seat height, pull the lever located under the right side of the seat upwards. While holding the lever, stand up to raise the seat or remain seated and apply weight to lower it. Release the lever to lock the height.
2. Backrest Recline and Tilt Lock
The backrest can recline between 90° and 120°. Pull out the lever on the left side of the seat to unlock the rocking mode. Push the lever in to lock the backrest at your desired angle.

Image: Visual representation of the adjustable headrest and reclining backrest, showing the range of motion from 90 to 135 degrees and 30 degrees of headrest adjustment.

Image: Diagram illustrating how to adjust the tilting tension. Pull out the handle to unlock rocking mode, then turn the knob clockwise to loosen or counter-clockwise to tighten the tension.
3. Ajust del reposabraços
The armrests are 3D adjustable. They can be moved up and down, forward and backward, and rotated inwards or outwards to suit your preference and save space when not in use (90° flip-up capability).
4. Ajust del reposacaps
The headrest is adjustable in height and angle (up to 30° rotation) to provide optimal support for your cervical spine.
5. Suport lumbar
The chair features an adjustable lumbar support designed to conform to the natural curve of your lower back, providing targeted support.

Image: Diagram highlighting the three key ergonomic support points of the chair: cervical spine, shoulder and spine, and lumbar spine.

Image: Illustration of the chair's ergonomic design, showing how it supports the human curve of the back and features a rotatably liftable headrest.
Manteniment
To ensure the longevity and appearance of your KERDOM 968ZK office chair, follow these simple maintenance guidelines:
- Neteja: Wipe the mesh and plastic surfaces with a soft, damp drap. Per a taques difícils, utilitzeu una solució de sabó suau i després netegeu amb un drap net.amp 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.
- Rodes: Keep the casters clean from hair and debris to ensure smooth movement.
- Eviteu la llum solar directa: Prolonged exposure to direct sunlight can cause the mesh and plastic to fade or degrade.
Resolució 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 lever not engaged or gas lift faulty. | Ensure the lever is fully pulled up. If the issue persists, the gas lift may need replacement. |
| La cadira trontolla o és inestable | Cargols solts o muntatge desigual. | Revisa i estreny tots els cargols de muntatge. Assegura't que la cadira estigui sobre una superfície plana. |
| Les rodes no giren suaument | Restes atrapades a les rodes. | Netegeu els cabells o les restes de les rodes giratòries. |
| El respatller no es reclina ni es bloqueja | Recline lever not engaged or mechanism stuck. | Pull out the recline lever to unlock. Push in to lock. Check for obstructions in the mechanism. |
Especificacions

Image: Detailed diagram showing the dimensions of the KERDOM 968ZK Ergonomic Office Chair.
| Característica | Detall |
|---|---|
| Número de model | 968ZK |
| Marca | KERDOM |
| Color | Negre |
| Material | Polypropylene (Frame), Polyester Mesh (Backrest/Cushion Surface), High-Density Sponge (Seat Cushion) |
| Dimensions del producte (L x A x A) | 55 x 25 x 55 cm (embalatge) |
| Pes de l'article | 17 quilos |
| Estil d'esquena | High-Back Mesh |
| Característiques especials | Adjustable Armrests, Adjustable Headrest, Ergonomic Design, Adjustable Height, Adjustable Lumbar Support |
| Capacitat de càrrega | 150 kg |
| Angle d'inclinació | 90° a 120° |
Garantia i Suport
KERDOM provides professional after-sales service. If you encounter any defects not caused by human factors, please contact us through your purchase platform. For Amazon purchases, log in to your account, navigate to 'Your Orders', find the order number, and click 'Contact Seller'. We aim to provide effective and professional solutions within 24 hours.





