Marsail MSOC10B-EU Ergonomic Office Chair User Manual

1. Introduction

Thank you for choosing the Marsail MSOC10B-EU Ergonomic Office Chair. This manual provides detailed instructions for assembly, operation, maintenance, and troubleshooting to ensure you get the most out of your new chair. Please read this manual carefully before assembly and use, and retain it for future reference.

Safety Guidelines

• Ensure all parts are present and undamaged before assembly.
• Follow assembly instructions precisely to prevent injury or damage.
• Do not stand on the chair.
• Do not use the chair on uneven surfaces.
• Keep children away from the chair during assembly.
• Do not exceed the maximum weight capacity of 136 kg (300 lbs).
• Regularly check all bolts and screws for tightness.

2. Package Contents

Please verify that all components listed below are included in your package. If any parts are missing or damaged, please contact customer support.

• Backrest with mesh fabric
• Seat cushion
• Headrest
• Armrests (2)
• Gas lift cylinder
• Gas lift cover
• Star base
• Casters (5)
• Mechanism plate
• Screws and Allen wrench (usually included)

3. Assembly Instructions

Follow these steps to assemble your Marsail MSOC10B-EU office chair. It is recommended to assemble the chair on a soft, clean surface to prevent scratches.

Step 1: Attach Casters to the Star Base

Insert each of the five casters into the holes at the end of each leg of the star base. Push firmly until they click into place.

Step 2: Insert Gas Lift into the Star Base

Place the gas lift cylinder into the central hole of the star base. Cover the gas lift with the plastic cover.

Step 3: Attach Mechanism Plate to the Seat Cushion

Align the mechanism plate with the screw holes on the underside of the seat cushion. Ensure the front of the mechanism plate faces the front of the seat. Secure with screws using the provided Allen wrench.

Step 4: Attach Armrests to the Seat Cushion

Attach the armrests to the designated holes on the sides of the seat cushion. Secure them with screws.

Step 5: Attach Backrest to the Seat Cushion and Armrests

Align the backrest with the mounting points on the seat cushion and armrests. Secure with screws. Ensure all connections are tight.

Step 6: Attach Headrest

Slide the headrest into the slots at the top of the backrest. Adjust to your preferred height.

Step 7: Connect Seat Assembly to Gas Lift

Carefully place the assembled seat onto the gas lift cylinder. Press down firmly to secure the connection.

Image: Fully assembled Marsail MSOC10B-EU Ergonomic Office Chair, ready for use.

4. Operating Instructions

Your Marsail MSOC10B-EU office chair offers multiple adjustment options for personalized comfort and ergonomic support.

4.1 Seat Height Adjustment

To adjust the seat height, pull the lever located under the right side of the seat upwards. To raise the seat, lift the lever while taking your weight off the chair. To lower the seat, lift the lever while seated.

4.2 Backrest Recline and Tilt Lock

The backrest can recline between 90° and 120°. To recline, pull the lever on the left side of the seat outwards. To lock the recline position, push the lever inwards. To adjust the tilt tension, rotate the round knob located under the front of the seat.

Image: Illustration of the recline and tilt adjustment mechanism, showing the tension knob and tilt lock lever.

4.3 2D Adjustable Headrest

The headrest can be adjusted vertically and rotated to provide optimal support for your head and neck. Simply push or pull the headrest to adjust its height and angle.

Image: The 2D adjustable headrest, demonstrating its vertical and rotational movement for personalized neck support.

4.4 Adaptable Lumbar Support

The curved lumbar support can be adjusted 3 cm forward/backward and 5.5 cm up/down to perfectly fit the natural curve of your spine. Use the knob on the side of the backrest to adjust the depth and height of the lumbar support.

Image: Close-up of the adaptable lumbar support, highlighting the adjustment knob for height and depth.

4.5 3D Adjustable Armrests

The armrests offer three-dimensional adjustment for optimal arm and shoulder support:

• Depth Adjustment: Move the armrest pads forward or backward (approx. 1.96 inches).
• Swivel: Rotate the armrest pads left or right (up to 15°).
• Flip-Up Function: The armrests can be flipped up 90° to save space or allow closer access to your desk.

Image: Visual representation of the armrest adjustments, including depth, swivel, and the 90-degree flip-up feature.

5. Maintenance

Proper maintenance will extend the life and appearance of your Marsail office chair.

• Cleaning: For general cleaning, use a soft, damp cloth. For deeper cleaning of the fabric and mesh, dry cleaning is recommended. Avoid harsh chemicals or abrasive cleaners.
• Inspection: Periodically check all screws and bolts to ensure they are tight. Re-tighten if necessary.
• Casters: Keep casters free of hair and debris to ensure smooth movement.
• Gas Lift: Do not attempt to disassemble the gas lift cylinder.

6. Troubleshooting

7. Specifications

Image: Detailed product dimensions and maximum load capacity of the Marsail MSOC10B-EU chair.

8. Warranty and Customer Support

Marsail is committed to providing high-quality products. For information regarding warranty coverage, please refer to the warranty card included with your purchase or visit the official Marsail website.

If you have any questions, require assistance with assembly, or encounter any issues with your chair, please do not hesitate to contact our customer support team. Contact details can typically be found on the Marsail website or on your purchase documentation.

Please have your model number (MSOC10B-EU) and purchase date ready when contacting support.