1. Introduction
This manual provides instructions for the assembly, operation, and maintenance of your SUPERJARE Drafting Chair. This versatile chair is designed for various environments, including offices, studios, workshops, and kitchens, offering adjustable height and ergonomic support for extended use.
Image 1.1: SUPERJARE Drafting Chair in a modern office setting.
2. Safety Information
WARNING: Do not exceed the weight limit of 250 lbs. Ensure the stool is placed on a stable, level surface to prevent tipping and potential injury.
- Always ensure all screws and connections are securely tightened before use.
- Do not stand on the chair.
- Keep hands and fingers clear of moving parts during adjustment.
- Use on a flat, stable surface to prevent accidental tipping.
3. Package Contents
Please verify that all components are present before beginning assembly:
- Seat Cushion (1)
- Backrest (1)
- Gas Lift Cylinder (1)
- Footrest Ring (1)
- Chair Base with Casters (1)
- Assembly Hardware (Screws, Allen Wrench)
4. Assembly Instructions
Assembly is designed to be tool-free and typically takes 5-10 minutes. Follow these steps:
- Attach Casters to Base: Insert each caster into the holes at the end of each leg on the chair base until they click securely into place.
- Insert Gas Lift: Place the gas lift cylinder into the center hole of the chair base.
- Install Footrest Ring: Slide the footrest ring over the gas lift cylinder. Adjust it to your desired height and tighten the knob to secure it.
- Attach Seat: Carefully place the seat cushion onto the top of the gas lift cylinder, ensuring it is centered and fully seated.
- Attach Backrest (Optional): If using the backrest, align the backrest support with the mounting plate under the seat and secure it with the provided screws. The backrest can be easily removed for a compact stool configuration.
Image 4.1: Illustration of the removable backrest feature.
5. Operating Instructions
5.1. Adjusting Seat Height
To adjust the seat height, locate the lever under the seat on the right side. While seated, pull the lever up to lower the seat. To raise the seat, stand up slightly and pull the lever up. Release the lever at your desired height.
Image 5.1: Height adjustment range and weight capacity.
5.2. Adjusting Footrest Height
The circular footrest can be adjusted up or down along the gas lift cylinder. Loosen the knob on the footrest to slide it to your preferred height, then tighten the knob firmly to secure it in place.
Image 5.2: Adjustable footrest mechanism.
5.3. Using the Backrest
The backrest provides additional lumbar support. It can be attached or removed as needed to convert the chair between a full-support task chair and a compact backless stool. Refer to Section 4 for attachment/removal.
5.4. Product Overview Video
Video 5.1: An overview of the SUPERJARE Drafting Chair, demonstrating its features and adjustability.
6. Maintenance and Care
- Cleaning: Wipe the PU leather seat and backrest with a damp cloth and mild soap. Avoid harsh chemicals. Clean metal parts with a soft, dry cloth.
- Casters: Periodically check casters for hair or debris and clean as necessary to ensure smooth rolling.
- Tightness: Regularly check all screws and connections to ensure they remain tight. Retighten if any looseness is detected.
- Storage: Store the chair in a dry environment, away from direct sunlight and extreme temperatures.
Image 6.1: The chair features a 4-inch thick, high-resilience cushion for comfort and durability.
7. Troubleshooting
- Chair does not adjust height: Ensure the gas lift lever is fully engaged. If the issue persists, the gas lift cylinder may need replacement. Contact customer support.
- Chair feels unstable: Check that all casters are fully inserted into the base and all screws, especially those securing the backrest (if attached), are tightened. Ensure the chair is on a level surface.
- Casters are not rolling smoothly: Inspect casters for trapped debris (hair, lint) and clean them. Ensure the floor surface is clear.
8. Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 23.6"D x 23.6"W x 35.8"H |
| Color | Brown |
| Frame Material | Metal |
| Seat Material Type | Polyurethane (PU Leather) |
| Maximum Weight Recommendation | 265 pounds |
| Item Weight | 9.5 kg |
| Adjustable Height Range | 23.6" to 32.2" |
| Gas Lift Certification | SGS Certified, Class-3 Gas Lift |
Image 8.1: SGS Certified Class-3 Gas Lift for smooth and stable height adjustment.
9. Warranty and Support
SUPERJARE offers a 3-year service for this product. For any questions, concerns, or assistance with your drafting chair, please contact SUPERJARE customer support through the retailer where the product was purchased or visit the official SUPERJARE website for contact information.
Please retain your purchase receipt for warranty claims.