1. Introducció
Thank you for choosing the tectake 403457 Racing Mike Office Chair. This manual provides essential information for the safe assembly, operation, and maintenance of your new office chair. Please read these instructions carefully before use and retain them for future reference.

Image 1.1: The tectake Racing Mike Office Chair in a typical office or gaming environment, showcasing its design and ergonomic features.
2. Informació de seguretat
Always ensure stable placement of the chair on a flat, even surface. Do not exceed the maximum load capacity of 100 kg (220 lliures) for safe use. Failure to adhere to these guidelines may result in injury or damage to the product.
- Mantingueu els nens i les mascotes allunyats de la cadira durant el muntatge.
- No us atureu a la cadira.
- Avoid placing heavy objects on the chair's backrest or armrests.
- Regularly check all screws and connections to ensure they are tight.
3. Característiques del producte
The tectake Racing Mike Office Chair is designed for comfort and functionality, featuring:
- Extra thick padding: Provides a soft and comfortable seating experience, ideal for extended periods of use.
- Textile inserts: Strategically placed to prevent sweating and enhance breathability.
- Height-adjustable gas lift: A fully height-adjustable, safe gas pressure spring allows for easy customization of seat height.
- Tilt mechanism: Infinitely adjustable tilt mechanism, adaptable to individual body weight for personalized comfort.
- Smooth-running double wheels: Five durable, floor-friendly double wheels ensure smooth mobility across various surfaces.

Image 3.1: Detail of the chair's headrest and upper backrest, highlighting the thick padding and breathable textile inserts.

Image 3.2: Detail of the chair's armrest and seat, showing the ergonomic design and additional textile inserts for comfort.
4. Muntatge i muntatge
Assembly of the tectake Racing Mike Office Chair typically involves a few straightforward steps. Ensure all components are present before beginning.
- Desempaquetar components: Traieu amb cura totes les peces de l'embalatge i col·loqueu-les sobre una superfície neta i suau per evitar ratllades.
- Fixeu les rodes a la base: Insert the five smooth-running double wheels into the openings of the star-shaped base until they click securely into place.
- Inseriu l'elevador de gas: Col·loqueu el cilindre d'elevació de gas al forat central de la base muntada.
- Muntar el seient i el respatller: Attach the backrest to the seat mechanism using the provided screws. Ensure all screws are tightened firmly.
- Col·loqueu els recolzabraços: Secure the armrests to the seat and backrest assembly using the designated screws.
- Mount Seat onto Gas Lift: Col·loqueu amb cura el seient i el respatller muntats sobre el cilindre d'elevació de gas, assegurant-vos que estigui centrat i estable.
- Comprovació final: Verify that all connections are secure and the chair is stable before use.

Image 4.1: An illustrative diagram detailing the dimensions and key components of the chair, useful for assembly and understanding its structure.
5. Instruccions de funcionament
Your tectake Racing Mike Office Chair offers several adjustment options for optimal comfort.
5.1. Ajust d'alçada del seient
Per ajustar l'alçada del seient:
- Aixecar: While standing, pull the lever located under the right side of the seat upwards. The seat will rise automatically. Release the lever at the desired height.
- Per baixar: While seated, pull the lever located under the right side of the seat upwards. The seat will lower. Release the lever at the desired height.
5.2. Ajust del mecanisme d'inclinació
The chair features an infinitely adjustable tilt mechanism:
- To activate/deactivate tilt: Push the same lever (used for height adjustment) inwards to lock the chair in an upright position, or pull it outwards to allow the chair to tilt freely.
- Per ajustar la tensió d'inclinació: Rotate the round knob located under the front of the seat. Turn clockwise to increase tension (making it harder to tilt) or counter-clockwise to decrease tension (making it easier to tilt).

Imatge 5.1: Una imatge detallada view of the chair's control levers and the tilt tension adjustment knob located beneath the seat.
6. Manteniment
Proper maintenance will extend the life and appearance of your chair.
- Neteja: Per a la neteja general, netegeu les superfícies amb un drap suau i sec.amp cloth. For stubborn stains on polyurethane, vinyl, or fabric, use a mild soap solution and dry immediately. Avoid abrasive cleaners or solvents.
- Comprovació de maquinari: Reviseu periòdicament tots els cargols i perns per assegurar-vos que estiguin ben ajustats. Torneu a estrènyer-los si cal per mantenir l'estabilitat i la seguretat.
- Cura de les rodes: Keep the wheels free of hair, dust, and debris to ensure smooth movement.
- Eviteu la llum solar directa: L'exposició prolongada a la llum solar directa pot causar decoloració i degradació del material.
7. Solució De Problemes
Si teniu problemes amb la cadira, consulteu els següents problemes i solucions habituals:
| Problema | Causa possible | Solució |
|---|---|---|
| Chair is unstable/wobbly | Cargols solts o terra irregular. | Revisa i estreny tots els cargols de muntatge. Assegura't que la cadira estigui sobre una superfície plana. |
| Dificultat per ajustar l'alçada | Gas lift malfunction or obstruction. | Ensure the lever is fully engaged. Check for any obstructions around the gas lift. If the issue persists, contact support. |
| La cadira grinyola | Connexions fluixes o fricció entre les peces. | Tighten all screws. Apply a small amount of silicone lubricant to moving parts if necessary. |
| Les rodes no roden sense problemes | Debris in wheels or damaged wheels. | Clean wheels of any hair or debris. If a wheel is damaged, it may need replacement. |
8. Especificacions
Key technical specifications for the tectake 403457 Racing Mike Office Chair:
| Característica | Detall |
|---|---|
| Número de model | 403457 (also 403452 or 4061173072955) |
| Marca | tectake |
| Color | Negre |
| Materials | Polyurethane, Plastic, Vinyl, Fabric |
| Material del seient | Pell artificial |
| Material del marc | Plàstic |
| Pes màxim recomanat | 100 kg (220 lliures) |
| Overall Height (adjustable) | 104.5 - 114.5 cm |
| Seat Height (adjustable) | 47 - 57 cm |
| Alçada del respatller | 63 cm |
| Dimensions del seient (amplada x profunditat) | Approx. 50 cm x 51 cm |
| Armrest Height from Seat | 23 cm |
| Diàmetre de la base | Aprox. 70 cm |
| Característiques especials | Ergonomic, Tilt Mechanism |
9. Garantia i Suport
For warranty information, please refer to the terms and conditions provided by your retailer at the time of purchase. Specific warranty periods and coverage may vary.
If you require technical assistance, have questions about assembly, or need to report a defect, please contact the tectake customer support or your point of purchase. Have your model number (403457) and purchase details ready when contacting support.





