Introduction
Thank you for choosing the ALFORDSON Keldon Mesh 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.

The ALFORDSON Keldon Mesh Office Chair, designed for comfort and productivity.
Safety Information
Important: Please read the assembly and operating instructions carefully before using the chair.
- Ensure all components are securely fastened before use.
- Do not stand on the chair.
- Do not use the chair if any parts are damaged or missing.
- Keep children away from moving parts during adjustment.
- Maximum weight capacity: 180 kg (396 lbs). Do not exceed this limit.
- Use the chair on a level surface to prevent tipping.
Package Contents
Before assembly, verify that all parts are present and undamaged. If any parts are missing or damaged, please contact customer support.
- 1 x ALFORDSON Keldon Series Chair
- 1 x Illustrated Manual

All components included in the package for assembly.
Setup and Assembly
Follow these steps to assemble your ALFORDSON Keldon Mesh Office Chair. It is recommended to assemble the chair on a soft, clean surface to prevent damage.
- Attach Casters to Base: Insert the five casters into the holes on the star base until they click into place.
- Insert Gas Lift: Place the gas lift cylinder into the center hole of the star base.
- Assemble Seat and Backrest: Attach the backrest to the seat mechanism using the provided screws. Ensure proper alignment.
- Attach Armrests: Secure the armrests to the seat base using the designated screws.
- Connect Seat to Gas Lift: Carefully place the assembled seat onto the gas lift cylinder, ensuring it is centered and stable.

Illustration of attaching the backrest to the seat.

Illustration of attaching the armrests to the chair base.
Operating Instructions
Your ALFORDSON Keldon chair offers several adjustments to customize your seating experience:
- Height Adjustment: Locate the lever under the right side of the seat. Pull the lever upwards to raise the seat. To lower, remain seated and pull the lever upwards. Release the lever to lock the height.
- Tilt Adjustment: The same lever used for height adjustment also controls the tilt. Pull the lever outwards to enable tilting. Push the lever inwards to lock the chair in an upright position.
- Lumbar Support Adjustment: The chair features adjustable lumbar support. Gently push or pull the lumbar support pad on the backrest to find your preferred position.
- Flip-Up Armrests: The armrests can be flipped up to allow the chair to be stored under a desk or to provide more space. Simply lift the armrests upwards until they lock into the vertical position. Push them down to return to the horizontal position.
- 360° Swivel: The chair is designed to swivel 360 degrees for easy movement and access.

Visual guide to the chair's adjustable features.
Maintenance
Regular maintenance will prolong the life and appearance of your chair.
- Cleaning: Wipe the mesh and nylon parts with a damp cloth and mild soap. Avoid harsh chemicals.
- Inspection: Periodically check all screws and bolts to ensure they are tight. Retighten if necessary.
- Casters: Keep casters clean from hair and debris to ensure smooth rolling.
- Avoid Direct Sunlight: Prolonged exposure to direct sunlight may cause fading of materials.
Troubleshooting
If you encounter any issues with your chair, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Chair does not adjust height | Gas lift not engaged or faulty | Ensure the height adjustment lever is fully pulled. If issue persists, contact support. |
| Chair wobbles | Loose screws or uneven floor | Check and tighten all assembly screws. Ensure the chair is on a flat surface. |
| Casters not rolling smoothly | Debris in casters | Remove any hair or debris from the caster wheels. |
| Backrest feels loose | Backrest attachment screws are loose | Tighten the screws connecting the backrest to the seat mechanism. |
Specifications
- Model: Keldon
- Color: Black
- Material: Nylon (frame), Mesh (backrest), High-resilience foam (seat)
- Dimensions (L x W x H): 63 x 63 x 94-104 cm (24.8 x 24.8 x 37-40.9 inches)
- Item Weight: 10.1 kg (22.2 lbs)
- Maximum Weight Recommendation: 180 kg (396 lbs)
- Features: Adjustable lumbar support, Flip-up armrests, Height adjustment, Tilt function, 360° swivel, Silent casters, SGS certified gas lift.

Detailed dimensions and recommended user specifications.

Information on the comfortable and durable seat cushion.

Key structural components and certifications.
Warranty and Support
For warranty information or technical support, please contact the seller, ALFORDSON Furnishings, directly through your purchase platform. Please have your order number and product model (Keldon) ready when contacting support.







