1. Introduction
This instruction manual provides essential information for the installation, operation, and maintenance of your EverNice Double Needle Walking Foot Gauge Set, Model GS122. This set is specifically designed for use with CONSEW 339, 339R, 339RB, and HIGHLEAD GC20618-2 style double needle walking foot industrial sewing machines. It includes a needle plate, feeder, press foot, and needle clamp, configured for a 3/4" gauge size. The needle clamp in this set requires a screw-in needle bar for proper installation.

Figure 1: Overview of the EverNice Double Needle Walking Foot Gauge Set components. This image displays the needle plate, feeder, press foot, and needle clamp.
2. Setup and Installation
Follow these steps to correctly install the gauge set on your compatible industrial sewing machine:
- Safety First: Before beginning any installation, ensure your sewing machine is powered off and unplugged from the electrical outlet to prevent accidental operation or injury.
- Remove Existing Components: Carefully remove the existing needle plate, feeder, press foot, and needle clamp from your sewing machine. Keep any screws or fasteners organized.
- Install Needle Plate: Position the new needle plate (part of the GS122 set) onto the machine bed, aligning the screw holes. Secure it with the appropriate screws.
- Install Feeder: Place the new feeder (part of the GS122 set) into its designated slot beneath the needle plate. Ensure it moves freely and is properly aligned.
- Attach Press Foot: Mount the new press foot (part of the GS122 set) onto the presser bar. Tighten the screw to secure it, allowing for proper up-and-down movement.
- Install Needle Clamp: Attach the new needle clamp (part of the GS122 set) to the needle bar. Important: This needle clamp requires a screw-in needle bar. Ensure the clamp is oriented correctly and securely fastened.
- Final Check: Once all components are installed, gently hand-turn the machine's handwheel to ensure all parts move smoothly without obstruction or collision.

Figure 2: Detailed view of the needle plate, feeder, press foot, and needle clamp, highlighting the screw-in needle bar requirement for the needle clamp.
3. Operating Instructions
Once the EverNice Double Needle Walking Foot Gauge Set is correctly installed, it will facilitate precise double-needle stitching with a 3/4" needle spacing. Refer to your specific sewing machine's instruction manual for detailed guidance on threading, needle insertion, and general operation.
- Needle Insertion: Insert two appropriate sewing machine needles into the needle clamp, ensuring they are fully seated and tightened securely.
- Threading: Thread both needles according to your sewing machine's specifications.
- Test Stitching: Before beginning your project, always perform test stitching on a scrap piece of fabric similar to your project material. This allows you to verify stitch quality, tension, and proper feeding.
- Material Handling: The walking foot mechanism, combined with this gauge set, is designed to feed multiple layers of fabric evenly. Guide your material smoothly without forcing it.
4. Maintenance
Regular maintenance ensures the longevity and optimal performance of your gauge set:
- Cleaning: Periodically clean the needle plate, feeder, and press foot to remove lint, dust, and thread debris. Use a soft brush or compressed air.
- Inspection: Regularly inspect all components for signs of wear, damage, or bending. Pay close attention to the teeth of the feeder and the surface of the needle plate.
- Tightness: Ensure all screws securing the needle plate, press foot, and needle clamp are tightened securely. Loose components can affect stitch quality and machine performance.
- Replacement: Replace any worn or damaged parts promptly to maintain optimal stitching performance and prevent further machine issues.
5. Troubleshooting
If you encounter issues, consider the following common troubleshooting steps related to the gauge set:
- Skipped Stitches:
- Verify that needles are correctly inserted and fully seated in the needle clamp.
- Ensure needles are not bent or dull. Replace if necessary.
- Check that the needle clamp is securely tightened.
- Uneven Feeding / Fabric Not Moving Smoothly:
- Inspect the feeder teeth for any debris or damage that might hinder fabric movement. Clean as needed.
- Ensure the press foot is properly installed and adjusted, allowing it to engage with the feeder.
- Confirm that the walking foot mechanism of your machine is functioning correctly.
- Needle Breakage:
- Confirm you are using the correct needle size and type for your fabric and thread.
- Ensure the needle clamp is tightened sufficiently, preventing needles from slipping.
- Check that needles are not striking the needle plate during operation. Adjust if necessary.
6. Specifications
| Brand | EverNice |
| Model Number | GS122 |
| Gauge Size | 3/4" |
| Compatible Machines | CONSEW 339, 339R, 339RB; HIGHLEAD GC20618-2 |
| UPC | 741025399891 |
| ASIN | B07K33HCHW |
7. Warranty and Support
For specific warranty information regarding your EverNice Double Needle Walking Foot Gauge Set, please refer to your purchase documentation or contact the EverNice manufacturer or your product retailer directly. Technical support inquiries should also be directed to the manufacturer or authorized service centers.