Introduction
This manual provides detailed instructions for the assembly, operation, maintenance, and troubleshooting of your AreShark Ergonomic Breathable Mesh Office Chair, Model MC05-001. Please read this manual thoroughly before assembly and use to ensure proper function and longevity of your product.
Safety Information
Warning:
- Do not exceed the maximum weight limit of 300 lbs.
- This chair requires assembly. Follow the instructions carefully to avoid injury.
- Keep the chair away from liquids to prevent damage.
Setup and Assembly
Your AreShark office chair is designed for straightforward assembly. All necessary tools and instructions are included. Please ensure all components are present before beginning.
Components Overview

Figure 1: Fully assembled AreShark Ergonomic Office Chair. This image displays the complete chair, highlighting its ergonomic design and breathable mesh backrest.

Figure 2: Detailed product dimensions for the AreShark office chair. This image provides measurements for the chair's height, width, and depth, along with the seat height range.
Assembly Steps
Refer to the included assembly instruction booklet for a step-by-step guide. A video guide is also available to assist with the assembly process.
Video 1: Assembly guide for the AreShark Office Chair. This video demonstrates the step-by-step process of putting together the chair, including attaching the base, wheels, seat, backrest, and armrests.
Operating Instructions
Your AreShark office chair offers multiple adjustment features to customize your seating experience for optimal comfort and ergonomic support.
1. Height Adjustment
To adjust the chair's height, locate the lever beneath the seat on the right side. Pull the lever upwards while lifting your weight off the seat to raise the chair. To lower the chair, pull the lever upwards while remaining seated.

Figure 3: Illustration of the height adjustment and recline control levers. This image highlights the levers used to control the chair's height and recline angle.
2. Recline Function and Tilt Tension
The chair supports a multi-posture recline from 90° (upright) to 120° (relaxed). To recline, pull the lever located beneath the seat on the left side outwards. To lock the recline position, push the lever inwards. The tilt tension can be adjusted by rotating the round knob located under the seat, allowing you to control the resistance of the recline.
Video 2: Demonstration of the recline and lumbar support adjustments on the AreShark Mesh Office Chair. This video shows how to engage and disengage the recline function and adjust the lumbar support.
3. Lumbar Support Adjustment
The chair features an adjustable lumbar support system. A knob on the backrest allows for horizontal adjustment (1.57 inches depth support). The lumbar support can also be adjusted vertically (up to 1.97 inches) by sliding it up or down. Adjust these to precisely contour to your lower back for optimal posture.

Figure 4: Close-up of the dual-way adjustable lumbar support system. This image details the knob for depth adjustment and the vertical sliding mechanism for height adjustment of the lumbar support.
4. Flip-up Armrests
The armrests can be flipped up 90° vertically. This feature allows for space optimization, enabling the chair to slide further under a desk when not in use. The cushioned armrests provide support during typing or resting.

Figure 5: The chair's flip-up armrests in action, demonstrating their space-saving design and cushioned surface.
5. Headrest Adjustment
The headrest can be adjusted for height to provide optimal neck and head support. Simply slide the headrest up or down to your preferred position.
Maintenance
To ensure the longevity and optimal performance of your AreShark office chair, follow these simple maintenance guidelines:
- Cleaning: Wipe clean with a damp cloth. Avoid harsh chemicals or abrasive cleaners that may damage the mesh or fabric.
- Inspection: Periodically check all screws and bolts to ensure they are tight. Re-tighten if necessary.
- Movement: Ensure the wheels are free of debris to maintain smooth rolling.
Troubleshooting
If you encounter any issues with your AreShark office chair, please refer to the following common troubleshooting tips:
- Chair not adjusting height: Ensure the height adjustment lever is fully engaged and that you are applying or releasing weight as instructed. Check the gas lift for any obstructions.
- Chair squeaks or wobbles: Check all assembly screws and bolts. Tighten any loose connections. Lubricate moving parts if necessary.
- Wheels not rolling smoothly: Inspect the casters for hair, dust, or other debris that may be obstructing movement. Clean as needed.
- Lumbar support not functioning: Verify that the adjustment knob is correctly engaged and rotating freely. Ensure no fabric or debris is blocking the mechanism.
If the issue persists, please contact customer support for further assistance.
Specifications
| Brand | AreShark |
| Model Name | MC05-001 |
| Color | White |
| Product Dimensions | 24"D x 25.98"W x 41.9"H |
| Material | Mesh, Sponge |
| Back Style | Supporting Breathable Backrest |
| Special Features | Adjustable Height, Arm Rest, Ergonomic, Rolling, Adjustable Lumbar Support |
| Maximum Weight Recommendation | 300 Pounds |
| Reclining Position Count | 2 (90° to 120°) |
| Arm Style | Flip-up Armrests |
| UPC | 731996056176 |
Warranty and Support
Your AreShark office chair comes with a 3-year service warranty. For any questions, concerns, or support needs, please contact our dedicated customer care team. We are committed to providing responsive assistance to ensure your satisfaction.