DEVAISE Ergonomic Mesh Desk Chair User Manual

1. Product Overview

The DEVAISE Ergonomic Mesh Desk Chair (Model ABGY012) is designed for comfort and support during extended periods of sitting. It features a breathable mesh design, adjustable lumbar support, a 3D adjustable headrest, and space-saving flip-up armrests. The chair is built with a durable metal frame and silent wheels, supporting a maximum weight of 300 pounds.

Figure 1: Front view of the DEVAISE Ergonomic Mesh Desk Chair.

Figure 2: Back view of the DEVAISE Ergonomic Mesh Desk Chair, highlighting the mesh backrest and lumbar support mechanism.

2. Important Safety Information

This product has a maximum weight capacity of 300 lbs. Always ensure that the chair is used within this limit. Be cautious when adjusting the headrest, lumbar support, and armrests to prevent any potential injuries. Always follow the assembly instructions carefully to ensure the stability and safety of the chair.

3. Setup and Assembly

The DEVAISE Ergonomic Mesh Desk Chair is designed for easy assembly, typically taking around 20 minutes. While assembly can be done by one person, having a second person may assist with certain steps, such as attaching the arms to the backrest and seat cushion.

Assembly Steps (General Guidance):

1. Unpack Components: Carefully remove all parts from the packaging and lay them out on a clean, flat surface. Verify all components are present against the included parts list.
2. Attach Casters to Base: Insert the five casters into the holes at the end of each leg of the chair base. Push firmly until they click into place.
3. Insert Gas Lift: Place the gas lift cylinder into the center hole of the assembled chair base.
4. Attach Mechanism to Seat: Secure the seat plate mechanism to the underside of the seat cushion using the provided screws. Ensure the front of the mechanism faces the front of the seat.
5. Connect Seat to Gas Lift: Place the assembled seat onto the gas lift cylinder, ensuring it is securely seated.
6. Attach Armrests: Secure the armrests to the seat cushion and backrest using the designated screws.
7. Attach Backrest: Connect the backrest to the seat mechanism and armrests.
8. Install Headrest: Slide the headrest into the top of the backrest and adjust to your preferred height.

Refer to the detailed assembly instructions included in your product packaging for specific diagrams and screw placements.

4. Operating Instructions

The DEVAISE Ergonomic Mesh Desk Chair offers multiple adjustment features to customize your seating experience for optimal comfort and support.

4.1. Seat Height Adjustment

To adjust the seat height, locate the lever on the right side beneath the seat. Pull the lever upwards while taking your weight off the seat to raise it. To lower the seat, pull the lever upwards while remaining seated.

Figure 3: Location of the seat height adjustment lever.

4.2. Lumbar Support Adjustment

The chair features separated-adjustable lumbar support. Use the knob located on the side of the backrest to adjust the depth of the lumbar support, allowing you to customize it to fit your waist and provide precise support for your lower back.

Figure 4: Adjusting the precise lumbar support with the side knob.

Figure 5: Close-up of the lumbar adjustment dial.

4.3. 3D Headrest Adjustment

The 3D headrest can be adjusted in multiple ways for optimal neck and head support:

• Height Adjustment: Slide the headrest up or down to find the ideal height.
• Tilt Adjustment: Tilt the headrest forward or backward to support your head's natural curve.
• Rotation: Rotate the headrest up to 55 degrees for personalized comfort.

Figure 6: Illustrations of the 3D headrest's height, tilt, and rotation adjustments.

Figure 7: Close-up of the headrest adjustment mechanism.

4.4. Flip-up Armrests

The armrests can be flipped up by 90 degrees. This feature allows you to push the chair closer to your desk, saving space in smaller work areas, or to easily move the chair out of the way when not in use.

Figure 8: The chair demonstrating its 90-degree flip-up armrests for space-saving.

Figure 9: A user demonstrating the flip-up armrest feature.

4.5. Rocking and Tilt Function

The chair offers a 90-125° rocking tilt function. To activate the rocking motion, pull out the lever located on the left side beneath the seat. Push the lever in to lock the chair in an upright position. The tension of the rocking motion can be adjusted using the round knob located at the front underside of the seat.

Figure 10: The tilt tension adjustment knob located under the seat.

4.6. Swivel Function

The chair features BIFMA 5.1-Certified 360° swivel castors, allowing for smooth and silent movement across various floor types without causing damage.

Figure 11: The chair's durable base with 360° swivel casters.

5. Maintenance

To maintain the longevity and appearance of your DEVAISE Ergonomic Mesh Desk Chair, follow these simple care instructions:

• Cleaning: Wipe clean with a damp cloth. Avoid harsh chemicals or abrasive cleaners that may damage the mesh or frame.
• Regular Inspection: Periodically check all screws and bolts to ensure they are tight. Re-tighten if necessary to maintain stability and safety.
• Caster Care: Keep the casters free of hair and debris to ensure smooth rolling.

6. Troubleshooting

If you encounter any issues with your DEVAISE Ergonomic Mesh Desk Chair, please refer to the following common solutions or contact customer support.

• Chair Squeaks or Wobbles: Check all assembly screws and bolts. Tighten any loose fasteners. Ensure the chair is on a flat, even surface.
• Difficulty Adjusting Height: Ensure the height adjustment lever is fully engaged. If the gas lift is unresponsive, it may require replacement.
• Casters Not Rolling Smoothly: Inspect casters for trapped debris (hair, lint, etc.) and clean them thoroughly.
• Lumbar Support Not Adjusting: Verify the adjustment knob is turning freely and not obstructed.

For further assistance, please contact DEVAISE Customer Support.

7. Specifications

Figure 12: Detailed product dimensions and maximum weight capacity.

8. Official Product Video

Watch the official product video from DEVAISE for a visual guide on the chair's features and functionality.

9. Warranty

The DEVAISE Ergonomic Mesh Desk Chair comes with a 2-year warranty, providing peace of mind for lasting quality and support.

10. Customer Support

For any questions, concerns, or assistance with your DEVAISE Ergonomic Mesh Desk Chair, please contact our customer support team:

• Website: Visit the official DEVAISE website for FAQs and support resources.
• Email: Refer to your product packaging or the official website for customer service email.
• Phone: Refer to your product packaging or the official website for customer service phone number.