JHK Home Office Chair OF-JL839-PK User Manual

Introduction

Thank you for choosing the JHK Home Office Chair. This manual provides essential information for the safe assembly, operation, and maintenance of your new chair. Please read these instructions carefully before use and retain them for future reference.

Image: The JHK Home Office Chair in pink, positioned in a modern home office setting.

Safety Information

• Ensure all parts are present and undamaged before assembly. Do not use if any parts are missing or broken.
• Follow assembly instructions precisely. Incorrect assembly can lead to instability and injury.
• Do not stand on the chair. Use it only for sitting.
• Do not exceed the maximum weight capacity of 250 pounds (113 kg).
• Keep children away from the chair during assembly. Small parts may be a choking hazard.
• Regularly check all bolts and screws to ensure they are tight. Retighten as necessary.
• Avoid exposing the chair to direct sunlight or extreme temperatures to prevent material degradation.

Package Contents

Before beginning assembly, verify that all components listed below are included in your package:

• Mesh Backrest
• Armrests (2)
• Gas Lift (Air Bar)
• Seat Cushion
• Chair Base (Pentapod)
• Mechanism/Tray
• Wheels (5)
• Screws and Tools (Allen wrench, etc.)

Setup and Assembly

Assembly is required for this chair. Please follow these steps carefully. It is recommended to assemble the chair on a soft, clean surface to prevent scratches.

1. Attach Wheels to Base: Insert each of the five wheels into the holes at the end of each leg of the chair base. Push firmly until they click into place.
2. Insert Gas Lift: Place the gas lift cylinder into the center hole of the assembled chair base.
3. Attach Mechanism to Seat Cushion: Align the mechanism (tray) with the screw holes on the underside of the seat cushion. Ensure the front of the mechanism faces the front of the seat. Secure with screws using the provided tool.
4. Attach Armrests to Seat Cushion: Attach the armrests to the sides of the seat cushion using the designated screws. Do not fully tighten yet.
5. Attach Backrest to Armrests: Align the backrest with the armrests and secure with screws. Once all screws are in place for the armrests and backrest, tighten all screws firmly.
6. Connect Seat Assembly to Gas Lift: Carefully place the assembled seat and backrest onto the gas lift cylinder, ensuring the tapered end of the gas lift fits securely into the mechanism.

Assembly typically takes approximately 22 minutes.

Operating Instructions

Chair Dimensions

Image: Detailed diagram illustrating the various dimensions of the JHK Home Office Chair, including seat height, backrest width, and overall depth.

Ergonomic Features

Image: Visual representation of the chair's ergonomic design, highlighting the breathable mesh material, thickened cushion for rebound, and lumbar support for fatigue relief.

Height Adjustment

To adjust the seat height, locate the lever on the right side beneath the seat. Pull the lever upwards while seated to lower the chair, or pull the lever upwards while standing to raise the chair. Release the lever at your desired height. The height lift range is approximately 4 inches.

Rocking and Tilt Function

The chair features a rocking function for added comfort. To activate the rocking mode, pull the lever on the left side (opposite the height adjustment lever) outwards. To lock the chair in an upright position, push the lever inwards.

To adjust the tension of the rocking motion, rotate the round knob located underneath the seat, towards the front. Turn clockwise to increase tension (tighter rocking) and counter-clockwise to decrease tension (looser rocking).

Image: Diagram illustrating the rocking function (90-120 degree tilt) and height adjustment mechanism, including the tension knob and control lever.

Swivel Function

The chair is designed to swivel 360 degrees, allowing for easy movement and access to your workspace without needing to reposition the entire chair.

Maintenance

• Cleaning: For the mesh backrest and fabric seat, use a soft cloth dampened with mild soap and water. Avoid harsh chemicals or abrasive cleaners. For the plastic and metal parts, wipe with a damp cloth.
• Casters (Wheels): Periodically check the casters for hair or debris that may impede movement. Clean as needed.
• Hardware: Every few months, inspect all screws and bolts to ensure they are tight. Retighten any loose fasteners to maintain stability and safety.
• Gas Lift: The gas lift is a sealed unit and requires no maintenance. If you experience issues with height adjustment, refer to the troubleshooting section.

Troubleshooting

Specifications

Warranty and Support

For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official JHK website. Please have your model number (OF-JL839-PK) and purchase date available when contacting support.