1. Introduction
This manual provides instructions for the proper use and maintenance of your PFAFF Metal Bobbins, model #9033NS (also known as 93-040970-54 or 93-009033-21). These bobbins are designed for specific PFAFF sewing machine models to ensure optimal performance in your sewing and embroidery projects. Please read this manual carefully before use.

Figure 1: PFAFF Metal Bobbins
2. Specifications
| Feature | Description |
|---|---|
| Model Numbers | #9033NS, 93-040970-54, 93-009033-21 |
| Material | Steel |
| Use | Embroidery, General Sewing |
| Type | Sewing Machine Parts |
| Origin | Mainland China |
| Dimensions | 22mm (diameter) x 8.9mm (height) x 6mm (center hole diameter) |
| Quantity | 10 pieces per pack |
| Package Dimensions | Length: 20 cm, Width: 8 cm, Height: 1 cm |
| Package Weight | 0.065 kg |
| Compatible PFAFF Models | 1000, 1151, 1171, 1196, 1197, 1209, 1211, 1212, 1213, 1214, 1216, 1217, 1221, 1222, 1229, 130, 1371, 138, 1465, 1467, 1469, 1471, 1472, 1473, 1475, 1520, 1522, 1524, 1525, 1526, 1527, 1530, 1532, 1534, 1536, 1540, 1542, 1546, 010, 2014, 2020, 2022, 2024 Expression, 2025, 2026, 2027, 2030, 2032, 2034, 2036, 2038 Expression, 2040, 2042, 2044, 2046, 2054, 2056, 2124, 2140 Creative, 2144 Creative, 2170 Creative, 229, 230, 234, 238, 260, 261, 262, 331, 332, 333, 335, 360, 362, 437, 438, 439, 463, 480, 6085, 6091, 6112, 6120, 6122, 6150 Tiptronic, 6152, 6230, 6232, 6250, 6252, 7510, 7530, 7550, 7560, 7562, 7570, 807, 90, 900, 9063 |

Figure 2: Bobbin with dimensions and reference
3. Setup and Installation
- Verify Compatibility: Ensure your sewing machine model is listed in the 'Compatible PFAFF Models' section of this manual.
- Prepare Thread: Wind your desired thread onto the bobbin. Refer to your sewing machine's main instruction manual for specific bobbin winding procedures. Ensure the thread is wound evenly and not too tightly or too loosely.
- Insert Bobbin: Open the bobbin case or bobbin compartment on your sewing machine. Place the wound bobbin into the bobbin case or compartment, following the thread path indicated by your machine's manual.
- Secure Bobbin: Close the bobbin case or compartment securely. Ensure the bobbin is seated correctly and can rotate freely.
4. Operating Instructions
Once the bobbin is correctly installed and threaded, you can begin your sewing project. The bobbins function as part of your sewing machine's lower threading system. For detailed operation of your sewing machine, including stitch selection and fabric handling, please consult your machine's primary instruction manual.
- Thread Tension: Proper upper and lower thread tension is crucial for balanced stitches. If you experience uneven stitches, check your machine's tension settings.
- Bobbin Thread Monitoring: Keep an eye on the bobbin thread level to avoid running out mid-seam.
5. Maintenance
- Cleaning: Periodically remove bobbins and clean any lint or thread residue from the bobbin case and surrounding area of your sewing machine. This prevents thread jams and ensures smooth operation.
- Storage: Store unused bobbins in a clean, dry place, preferably in a bobbin box or organizer, to prevent dust accumulation and tangling of pre-wound threads.
- Inspection: Before each use, inspect bobbins for any signs of damage, bending, or burrs that could snag thread or affect stitch quality. Replace damaged bobbins immediately.
6. Troubleshooting
- Thread Breakage: If the bobbin thread frequently breaks, check for proper bobbin winding, correct insertion into the bobbin case, and any burrs on the bobbin itself. Also, ensure the thread tension is not too high.
- Uneven Stitches: Inconsistent stitch quality can often be attributed to incorrect thread tension (both upper and lower). Re-thread your machine and bobbin, and adjust tension as needed.
- Bobbin Jams: Ensure the bobbin is inserted correctly and that there is no excess lint or thread caught in the bobbin area. A damaged bobbin can also cause jams.
7. User Tips
- Color-Code Your Bobbins: Use different colored threads on bobbins for easy identification, especially if you frequently switch between projects or thread types.
- Pre-wind Multiple Bobbins: To save time during a project, pre-wind several bobbins with the same color thread.
- Use Quality Thread: Always use good quality thread to prevent issues like shredding, tangling, and uneven stitches.
8. Warranty and Support
For any questions regarding the compatibility or performance of these PFAFF Metal Bobbins, please contact the seller or the manufacturer directly. Keep your purchase records for any potential support inquiries.





