1. Uvod
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. Sigurnosne informacije
Always ensure stable placement of the chair on a flat, even surface. Do not exceed the maximum load capacity of 100 kg (220 lbs) for safe use. Failure to adhere to these guidelines may result in injury or damage to the product.
- Držite djecu i kućne ljubimce podalje od stolice tijekom sastavljanja.
- Nemojte stajati na stolici.
- Avoid placing heavy objects on the chair's backrest or armrests.
- Redovito provjeravajte sve vijke i spojeve kako biste bili sigurni da su čvrsto zategnuti.
3. Značajke proizvoda
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. Postavljanje i sastavljanje
Assembly of the tectake Racing Mike Office Chair typically involves a few straightforward steps. Ensure all components are present before beginning.
- Raspakirajte komponente: Pažljivo izvadite sve dijelove iz pakiranja i položite ih na čistu, meku površinu kako biste spriječili ogrebotine.
- Pričvrstite kotače na bazu: Insert the five smooth-running double wheels into the openings of the star-shaped base until they click securely into place.
- Umetnite plinski lift: Place the gas lift cylinder into the central hole of the assembled base.
- Sastavljanje sjedala i naslona: Attach the backrest to the seat mechanism using the provided screws. Ensure all screws are tightened firmly.
- Pričvrstite naslone za ruke: Secure the armrests to the seat and backrest assembly using the designated screws.
- Montirajte sjedalo na plinski lift: Pažljivo postavite sastavljeno sjedalo i naslon na plinski cilindar, pazeći da bude centriran i stabilan.
- Konačna provjera: Prije upotrebe provjerite jesu li svi spojevi sigurni i je li stolica stabilna.

Image 4.1: An illustrative diagram detailing the dimensions and key components of the chair, useful for assembly and understanding its structure.
5. Upute za rad
Your tectake Racing Mike Office Chair offers several adjustment options for optimal comfort.
5.1. Podešavanje visine sjedala
Za podešavanje visine sjedala:
- Podići: Dok stojite, povucite polugu koja se nalazi ispod desne strane sjedala prema gore. Sjedalo će se automatski podići. Otpustite polugu na željenoj visini.
- Za spuštanje: Dok sjedite, povucite polugu koja se nalazi ispod desne strane sjedala prema gore. Sjedalo će se spustiti. Otpustite polugu na željenoj visini.
5.2. Podešavanje mehanizma nagiba
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.
- Za podešavanje napetosti nagiba: 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).

Slika 5.1: Detaljan view of the chair's control levers and the tilt tension adjustment knob located beneath the seat.
6. Održavanje
Proper maintenance will extend the life and appearance of your chair.
- Čišćenje: Za opće čišćenje, obrišite površine mekom,amp cloth. For stubborn stains on polyurethane, vinyl, or fabric, use a mild soap solution and dry immediately. Avoid abrasive cleaners or solvents.
- Provjera hardvera: Povremeno provjeravajte sve vijke i matice kako biste bili sigurni da su čvrsto pričvršćeni. Po potrebi ih ponovno zategnite kako biste održali stabilnost i sigurnost.
- Njega kotača: Keep the wheels free of hair, dust, and debris to ensure smooth movement.
- Izbjegavajte izravnu sunčevu svjetlost: Dugotrajno izlaganje izravnoj sunčevoj svjetlosti može uzrokovati blijeđenje i degradaciju materijala.
7. Rješavanje problema
Ako imate problema sa stolicom, pogledajte sljedeće uobičajene probleme i rješenja:
| Problem | Mogući uzrok | Otopina |
|---|---|---|
| Chair is unstable/wobbly | Labavi vijci ili neravan pod. | Provjerite i zategnite sve vijke za montažu. Pazite da stolica bude na ravnoj površini. |
| Poteškoće s podešavanjem visine | Kvar ili začepljenje plinskog lifta. | Ensure the lever is fully engaged. Check for any obstructions around the gas lift. If the issue persists, contact support. |
| Stolica škripi | Labavi spojevi ili trenje između dijelova. | Zategnite sve vijke. Po potrebi nanesite malu količinu silikonskog maziva na pokretne dijelove. |
| Kotači se ne kotrljaju glatko | Debris in wheels or damaged wheels. | Clean wheels of any hair or debris. If a wheel is damaged, it may need replacement. |
8. Specifikacije
Key technical specifications for the tectake 403457 Racing Mike Office Chair:
| Značajka | Detalj |
|---|---|
| Broj modela | 403457 (also 403452 or 4061173072955) |
| Marka | tectake |
| Boja | Crna |
| Materijali | Polyurethane, Plastic, Vinyl, Fabric |
| Materijal sjedala | Umjetna koža |
| Materijal okvira | Plastični |
| Preporučena maksimalna težina | 100 kg (220 lbs) |
| Overall Height (adjustable) | 104.5 - 114.5 cm |
| Seat Height (adjustable) | 47 - 57 cm |
| Visina naslona | 63 cm |
| Dimenzije sjedala (Š x D) | Otprilike 50 cm x 51 cm |
| Visina naslona za ruke od sjedala | 23 cm |
| Promjer baze | cca. 70 cm |
| Posebne značajke | Ergonomic, Tilt Mechanism |
9. Jamstvo i podrška
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.





