DUMOS Drafting Chair - Ergonomic Tall Office Chair (Model ACVFE1) Instruction Manual

1. Informació de seguretat

Si us plau, llegiu atentament totes les instruccions abans del muntatge i l'ús. Conserveu aquest manual per a futures consultes.

• Recommended weight capacity is 250 lbs. Do not exceed this limit.
• Improper use of adjustable features may lead to instability or injury.
• Always follow assembly instructions and ensure all components are securely fastened before use.
• Ensure the chair is stable on a flat, even surface before sitting.

2. Contingut del paquet

Verify all parts are present before beginning assembly:

• Backrest (A) x1
• Seat (B) x1
• Armrests (C) x1L, x1R
• Mechanism (D) x1
• Gas Lift (E) x1
• Base (F) x1
• Legs (G) x5
• Casters (H) x5
• Bolts (I) x4 (for backrest)
• Bolts (J) x6 (for seat)
• Bolts (K) x10 (for legs)
• Bolts (L) x4 (for mechanism)
• Wrench (M) x1
• Foot Ring (N) x1

3. Instruccions de configuració

For a visual guide, please refer to the assembly video below.

1. Fixar les potes a la base: Turn the Base (F) upside down. Insert the 5 Legs (G) into the Base one by one. Use the Wrench (M) to secure them with 10 Bolts (K).
2. Insert Casters: Press the 5 Casters (H) firmly into the holes at the end of each Leg (G).
3. Assemble Gas Lift and Foot Ring: Insert the Gas Lift (E) into the center hole of the Foot Ring (N). Lift the Foot Ring upward to secure it to the Gas Lift. Then, insert the Gas Lift (E) into the Base (F). Remember to remove the protective cover from the top of the Gas Lift (E) before insertion.
4. Fixar els reposabraços al respatller: Using the Wrench (M), install the Armrests (C) (marked 'L' for Left and 'R' for Right) to both sides of the Backrest (A) with 4 Bolts (I). Tighten these bolts to 50% initially.
5. Fixar els reposabraços al seient: Turn the Seat (B) upside down. Using the Wrench (M), attach the Armrests (C) to the Seat with 6 Bolts (J). Ensure the 'FRONT' marking on the seat aligns with the front of the armrests. Tighten these bolts to 100%.
6. Fixeu el mecanisme al seient: Ensure the 'FRONT' direction of the Mechanism (D) and Seat (B) are aligned. Using the Wrench (M), attach the Mechanism (D) to the Seat (B) with 4 Bolts (L). Tighten these bolts to 100%.
7. Connect Seat Assembly to Gas Lift and Final Tightening: Align the hole on the Mechanism (D) with the Gas Lift (E) and press the chair down until it is fully secured. Using the Wrench (M), fully tighten (100%) the previously installed 4 Bolts (I) on the Armrests (C) and Backrest (A).

4. Instruccions de funcionament

4.1. Ajust d'alçada

The seat height is adjustable from 23.4 inches to 29.3 inches (from cushion to floor). Use the lever located under the seat to raise or lower the chair. To raise, lift the lever while standing. To lower, lift the lever while seated.

4.2. Adjustable Foot Ring

The foot ring can be adjusted vertically to accommodate users of various heights, providing comfortable foot support. Loosen the knob on the foot ring, slide it to the desired height, and then tighten the knob securely.

Image: Adjustable Foot Ring
This image shows a close-up of the adjustable foot ring, highlighting the knob used to secure it at the desired height. The foot ring provides ergonomic support for users' feet.

4.3. Suport lumbar

The curved backrest is designed to conform to the natural curve of the human spine, offering comfortable lumbar support and promoting good posture during extended periods of sitting.

4.4. Fixed Armrests

The chair features fixed armrests that provide stable support for your arms. These armrests are integrated into the chair's design for consistent comfort.

4.5. 360° Swivel and Casters

The chair offers a full 360° swivel function, allowing for easy rotation. The durable casters are suitable for various floor types, including wood, carpet, and tile, ensuring smooth and quiet movement.

Image: Quiet Rolling Casters
Aquesta imatge ofereix un primer pla view of the chair's casters, designed for smooth and quiet movement across different floor surfaces.

5. Manteniment

To maintain the appearance and longevity of your DUMOS Drafting Chair, simply wipe it clean with a damp cloth as needed. Avoid harsh chemicals that may damage the materials.

6. Solució De Problemes

6.1. Chair Sinks or Does Not Maintain Height

If the chair's height does not remain stable or sinks when sat upon, ensure the gas lift is correctly installed and not damaged. Verify that the chair's weight capacity (250 lbs) is not exceeded. If the issue persists, the gas lift may need replacement.

7. Especificacions

8. Garantia i Suport

For any installation questions or other inquiries regarding your DUMOS Drafting Chair, please feel free to contact us. While specific warranty details are not provided in this manual, customer support is available to assist with product-related concerns.