1. Setup and Assembly
This section provides detailed instructions for assembling your DUMOS Gaming Chair. Ensure all components are present before beginning assembly. An online installation video is available for visual guidance.
1.1 Component Overview
Familiarize yourself with all the parts included in the package. Refer to the parts list in your printed manual for identification.
Image: Product dimensions and weight capacity (300 lbs) of the DUMOS Gaming Chair.
1.2 Base Assembly
- Attach the five leg pieces to the central hub of the chair base using the provided screws. Ensure they are securely fastened.
- Insert the casters (wheels) into the ends of each leg until they click into place.
- Insert the gas lift cylinder into the central hole of the assembled base.
1.3 Seat and Backrest Assembly
- Attach the seat plate to the underside of the seat cushion using the designated screws. Ensure the 'outwards' label on the plate faces the correct direction as indicated in the diagram.
- Secure the backrest to the seat assembly using the provided bolts. Do not fully tighten the bolts until all components are in place.
- Attach the armrests to the sides of the seat and backrest assembly. Ensure all bolts are aligned before tightening.
- Place the assembled seat and backrest onto the gas lift cylinder on the chair base.
1.4 Attaching Lumbar and Headrest Pillows
The lumbar support and headrest pillows are adjustable. Attach them using the elastic straps and buckles provided, positioning them for optimal comfort.
Image: Ergonomic design of the DUMOS Gaming Chair, illustrating support for head, shoulders, waist, hips, and legs.
1.5 Installation Video
Video: Detailed installation guide for the DUMOS Gaming Chair, provided by the manufacturer.
2. Operating Instructions
2.1 Height Adjustment
To adjust the chair's height, locate the lever on the right side beneath the seat. Pull the lever upwards while seated to lower the chair, or while standing to raise it. Release the lever to lock the height.
2.2 Backrest Recline
The backrest can be reclined from 90° to 135°. Use the recline lever on the side of the seat to adjust the angle. Lean back to your desired position and release the lever to lock it.
Image: Illustration of the adjustable recline feature, showing angles from 90° to 135°.
2.3 Retractable Footrest
Pull the footrest out from beneath the seat when desired. Push it back in to store it. The footrest provides additional support for relaxation.
Image: The retractable footrest extended and retracted for user comfort.
2.4 Linkage Armrests
The armrests are designed to move with the recline of the backrest, providing continuous support. They are not independently adjustable for height or rotation.
Image: Close-up of the linkage padded armrests, showing their synchronized movement with the chair's recline.
3. Maintenance
3.1 Cleaning Instructions
To clean the chair, wipe it with a damp cloth. Avoid using harsh chemicals or abrasive cleaners, as these may damage the fabric. For spills, blot immediately with a clean, dry cloth.
Image: Diagram showing the layers of the cushion, including leather-like fabric, high-density foam, and pocket springs.
3.2 General Care
Regularly check all bolts and screws to ensure they remain tight. Re-tighten if necessary to maintain stability and safety. Avoid exposing the chair to direct sunlight for prolonged periods to prevent material degradation.
4. Troubleshooting
4.1 Common Issues
- Chair feels wobbly: Check all assembly bolts and screws. Ensure they are fully tightened. Verify the casters are properly inserted into the leg base.
- Height adjustment not working: Ensure the gas lift lever is fully engaged. If the issue persists, the gas lift cylinder may need replacement.
- Backrest not reclining: Check the recline lever for proper engagement. Ensure no obstructions are preventing the backrest from moving.
If you encounter any issues not listed here or if troubleshooting steps do not resolve the problem, please contact customer support.
5. Specifications
| Feature | Detail |
|---|---|
| Brand | DUMOS |
| Model Name | DUMOS Gaming Chair with Linkage Armrests |
| Item Model Number | 02DJYBKDUM |
| Color | Black |
| Product Dimensions | 20.62"D x 24.8"W x 52.97"H |
| Material | Metal (Frame), Memory Foam (Fill) |
| Maximum Weight Recommendation | 300 Pounds |
| Special Features | Adjustable Height, Arm Rest, Back Support, Ergonomic, Foot Rest |
| Reclining Position Count | 2 (90° to 135°) |
| Included Components | Arm Pad, Caster, Cushion |
6. Warranty & Support
For any questions, concerns, or support needs regarding your DUMOS Gaming Chair, please contact our customer service team. Our team is available to provide fast and efficient support to ensure any issues are resolved promptly.
Please refer to your purchase documentation for specific warranty details and contact information.
