1. Important Safety Information
Always follow the assembly instructions carefully to avoid injury. Keep the chair on a stable surface and do not exceed the maximum weight capacity of 400 lbs to ensure safety and stability.
2. Product Overview
The DEVAISE ABGY019 Executive Office Chair is designed for comfort and support in home or office environments. It features an ergonomic high back, lumbar support, and a retractable footrest. The chair is constructed with premium PU leather and a multi-layer cushion for durability and comfort.

Figure 2.1: DEVAISE ABGY019 Executive Office Chair in black faux leather.
3. Product Dimensions and Specifications
Refer to the following specifications for detailed product information:
- Brand: DEVAISE
- Model Name: ABGY019 Home Office Desk Chair
- Color: Black
- Product Dimensions: 25.89"D x 22"W x 46.46"H
- Item Weight: 44 pounds
- Maximum Weight Recommendation: 400 Pounds
- Material: Faux Leather, Cotton fill
- Back Style: Ergonomic
- Reclining Position Count: 3 (90°, 115°, 145°)
- Included Components: Arm Pad

Figure 3.1: Detailed product dimensions of the DEVAISE ABGY019 Executive Office Chair.

Figure 3.2: Illustration of the four-layer cushion structure, including premium PU leather, 28D sponge, quiet spring packs, and a sturdy plank.
4. Assembly Instructions
The DEVAISE ABGY019 Executive Office Chair is designed for quick and straightforward assembly. Detailed instructions are included in the product packaging. Typically, assembly can be completed in approximately 20 minutes.
General Assembly Steps:
- Unpack all components and verify against the parts list provided in the manual.
- Attach the casters to the chair base.
- Insert the gas lift into the center of the base.
- Assemble the seat and backrest according to the detailed diagrams.
- Attach the armrests to the seat and backrest.
- Mount the assembled seat and backrest onto the gas lift.
- Ensure all screws are tightened securely before use.
For specific step-by-step instructions and diagrams, please refer to the assembly manual included in your product packaging.
5. Operating Instructions
5.1 Height Adjustment
To adjust the chair's height, locate the lever on the right side beneath the seat. While seated, pull the lever upwards to lower the chair. To raise the chair, stand up and pull the lever upwards. Release the lever at the desired height.
5.2 Reclining Function
The chair features a reclining function adjustable from 90° (upright work position) to 145° (relaxed or sleep position). Use the lever on the left side beneath the seat to adjust the backrest angle. Push the lever down to unlock and recline, then pull it up to lock the backrest in your preferred position.

Figure 5.1: Illustration of the 90°-145° reclining adjustment and height adjustment lever.
5.3 Retractable Footrest
To extend the footrest, pull it out from beneath the seat. To retract, push it back in until it is fully stored. The footrest provides additional comfort when reclining.

Figure 5.2: The DEVAISE ABGY019 chair demonstrating the ergonomic design and extended footrest.
6. Maintenance
To maintain the appearance and longevity of your DEVAISE ABGY019 Executive Office Chair, follow these simple care instructions:
- Cleaning: Wipe clean with a damp cloth. Avoid harsh chemicals or abrasive cleaners that may damage the faux leather.
- Inspection: Periodically check all screws and bolts to ensure they are tight. Re-tighten if necessary.
- Caster Care: Keep the casters free of debris (hair, dust, etc.) to ensure smooth movement and prevent floor scratches.
7. Troubleshooting
If you encounter any issues with your DEVAISE ABGY019 Executive Office Chair, please refer to the following common troubleshooting tips:
- Chair not adjusting height: Ensure the gas lift lever is fully engaged and that there is no obstruction. If the chair is new, ensure the protective cap on the gas lift piston has been removed during assembly.
- Chair wobbles: Check that all assembly screws are securely tightened. Ensure the chair is on a flat, even surface.
- Casters not rolling smoothly: Inspect casters for trapped debris (hair, lint) and clean as necessary.
- Unusual noises: Check for loose connections or components. Apply a small amount of silicone lubricant to moving parts if squeaking persists.
If these steps do not resolve the issue, please contact customer support.
8. Warranty and Support
The DEVAISE ABGY019 Executive Office Chair comes with a two-year warranty. Our dedicated customer support team is available to assist with any issues or questions you may have regarding your product.
For warranty claims, technical assistance, or general inquiries, please refer to the contact information provided in your product packaging or visit the official DEVAISE website.