1. Rhagymadrodd
Thank you for choosing the tectake Ergonomic Office Chair Model 400585. This chair is designed to provide superior comfort and support for long hours of work or study, featuring thick padding, ergonomic armrests, and adjustable functions. This manual will guide you through the assembly, operation, and maintenance to ensure you get the most out of your new office chair.

Image 1.1: The tectake Ergonomic Office Chair Model 400585 in a typical office environment.
2. Gwybodaeth Diogelwch
Please read all safety instructions carefully before assembling and using the chair. Failure to follow these instructions may result in injury or damage to the product.
- Cynhwysedd Llwyth Uchaf: Peidiwch â rhagori ar y capasiti pwysau uchaf o 150 kg (330 pwys).
- Arwyneb sefydlog: Always ensure the chair is placed on a stable and flat surface to prevent tipping.
- Cynulliad: Assemble the chair according to the instructions provided. Ensure all screws and bolts are securely tightened before use.
- Plant: Cadwch blant i ffwrdd o'r ardal ymgynnull. Gall rhannau bach fod yn berygl tagu.
- Rhannau Symudol: Be cautious of moving parts during adjustment to avoid pinching.
- Arolygiad: Periodically check all connections and moving parts for wear or damage. Do not use the chair if any components are damaged.
3. Cynnwys Pecyn
Cyn dechrau cydosod, gwiriwch fod yr holl gydrannau yn bresennol ac yn ddi-ddifrod. Os oes unrhyw rannau ar goll neu wedi'u difrodi, cysylltwch â chymorth cwsmeriaid.
- Clustog Sedd
- Cynhalydd cefn
- Arfau (2)
- Silindr Codi Nwy
- Sylfaen Seren
- casters (5)
- Plât Mecanwaith
- Hardware Kit (screws, washers, Allen key)
- Llawlyfr Cyfarwyddiadau

Image 3.1: Product information and dimensions, including seat surface, backrest height, and overall measurements.
4. Cyfarwyddiadau Cymanfa
Assembly is straightforward and typically takes about 20 minutes. Two tools are included for your convenience. It is recommended to have assistance for attaching the armrests.
- Atodwch y Castwyr i'r Sylfaen Seren: Insert each of the five casters into the holes at the end of the star base legs. Push firmly until they click into place.
- Mewnosod Codiad Nwy: Place the gas lift cylinder into the central hole of the star base.
- Atodwch y Plât Mecanwaith i'r Sedd: Align the mechanism plate with the screw holes on the underside of the seat cushion. Ensure the front of the mechanism plate faces the front of the seat. Secure with screws and washers using the provided Allen key.
- Cysylltwch y breichiau â'r sedd a'r gefn: Position the armrests on the sides of the seat cushion, aligning the holes. Secure the armrests to the seat using screws. Then, align the backrest with the upper holes of the armrests and the back of the seat. Secure the backrest to the armrests and seat. Note: It may require some force to align the holes correctly, especially for the backrest. Screw gradually and evenly on both sides.
- Cysylltu Cynulliad y Sedd â'r Lifft Nwy: Carefully place the assembled seat and backrest onto the gas lift cylinder, ensuring the central hole of the mechanism plate aligns with the top of the gas lift.
Once assembled, ensure all connections are tight and the chair feels stable before use.
5. Cyfarwyddiadau Gweithredu
Your tectake office chair offers several adjustment features to customize your seating experience for optimal comfort and ergonomic support.
5.1 Addasiad Uchder
I addasu uchder y sedd:
- I godi: While standing, pull the lever located on the right side of the seat upwards. The seat will rise automatically. Release the lever when the desired height is reached.
- I ostwng: While seated, pull the lever located on the right side of the seat upwards. The seat will lower. Release the lever when the desired height is reached.
5.2 Tilt Mechanism and Tension Adjustment
The chair features a continuous tilt mechanism that allows the backrest and seat to recline together. The tension of this tilt can be adjusted to suit your weight and preference.
- To activate/deactivate tilt: Pull the same lever used for height adjustment outwards to enable the tilt function. Push it inwards to lock the chair in an upright position.
- I addasu tensiwn tilt: Rotate the round knob located underneath the front of the seat. Turn clockwise to increase tension (making it harder to recline) and counter-clockwise to decrease tension (making it easier to recline).
5.3 Ergonomic Support
The chair's design, including the padded backrest and headrest, provides ergonomic support to promote a healthy posture and reduce fatigue during extended use.


5.4 Video Demonstration of Adjustments
Video 5.1: This video demonstrates the height adjustment and reclining features of the tectake office chair.
6. Cynnal a Chadw a Gofal
Proper care will extend the life and appearance of your tectake office chair.
- Glanhau: The synthetic leather material should be dry cleaned. For minor spills, wipe immediately with a soft, damp lliain a sebon ysgafn, yna sychwch yn drylwyr. Osgowch gemegau llym neu lanhawyr sgraffiniol.
- Arolygiad Rheolaidd: Gwiriwch yr holl sgriwiau a bolltau o bryd i'w gilydd i sicrhau eu bod yn dal yn dynn. Ail-dynhau os oes angen.
- Iro: If the tilt mechanism or casters begin to squeak, a small amount of silicone-based lubricant can be applied to the moving parts.
- Osgoi golau haul uniongyrchol: Prolonged exposure to direct sunlight can cause the synthetic leather to fade or crack.
7. Datrys Problemau
Here are solutions to common issues you might encounter with your office chair:
| Problem | Achos Posibl | Ateb |
|---|---|---|
| Nid yw'r gadair yn addasu'r uchder | Gas lift cylinder is faulty or lever is not engaged correctly. | Ensure the lever is fully pulled up. If the issue persists, the gas lift may need replacement. Contact support. |
| Mae'r gadair yn siglo neu'n ansefydlog | Sgriwiau rhydd neu llawr anwastad. | Check and tighten all assembly screws, especially those connecting the armrests and mechanism plate. Ensure the chair is on a flat surface. |
| Squeaking noise during movement | Friction in moving parts (e.g., tilt mechanism, casters). | Apply a small amount of silicone-based lubricant to the pivot points of the tilt mechanism and caster stems. |
| Nid yw casters yn rholio'n esmwyth | Debris caught in casters or worn casters. | Clean any hair or debris from the caster wheels. If casters are worn, they may need replacement. |
| Tilt mechanism is too stiff or too loose | Tilt tension knob needs adjustment. | Rotate the tilt tension knob underneath the seat to increase or decrease resistance. |
8. manylebau
Detailed technical specifications for the tectake Ergonomic Office Chair Model 400585.
| Nodwedd | Manylyn |
|---|---|
| Enw Model | 400585 |
| Brand | tectake |
| Lliw | Du |
| Deunydd | Synthetic Leather (Upholstery), Metal (Frame) |
| Deunydd Llenwi | Padin |
| Dimensiynau Cynnyrch (D x W x H) | 52P x 49l x 50H cm (Depth x Width x Height) |
| Dyfnder y Sedd | 49 cm |
| Uchder y Sedd (Addasadwy) | 42-50 cm |
| Lled cynhalydd cefn | 52 cm |
| Uchder cynhalydd cefn | 75 cm |
| Pwysau Eitem | 16 Cilogram |
| Pwysau Uchafswm a Argymhellir | 150 Cilogram |
| Nodweddion Arbennig | Ergonomic, Padded, Headrest Support, Swivel, Tilt Mechanism |
| Cynulliad Angenrheidiol | Oes |
| Cyfarwyddiadau Gofal | Sych Glân |

Image 8.1: The tectake office chair's design and comfort features in an office environment.
9. Gwarant a Chefnogaeth
tectake stands behind the quality of its products. For specific warranty information, please refer to the documentation included with your purchase or visit the official tectake websafle.
If you have any questions, require assistance with assembly, or need to report a missing or damaged part, please contact tectake customer support through the retailer where you purchased the product or directly via the contact information provided on the tectake websafle.
Cadwch eich rhif model (400585) a phrawf o brynu wrth law wrth gysylltu â chymorth.