1. ആമുഖം
This manual provides essential information for the proper use and care of your SINGER Class 15J Transparent Plastic Bobbins. These bobbins are designed to ensure smooth and consistent stitching in compatible sewing machines.

Image 1.1: A pack of 12 SINGER Class 15J Transparent Plastic Bobbins in their clear storage case.
2 അനുയോജ്യത
SINGER Class 15J bobbins are specifically designed for certain SINGER sewing machines. It is crucial to use the correct bobbin type for your machine to prevent operational issues and potential damage.
- Compatible with select SINGER Futura Embroidery Machines series: 2600s, 3900s, 7400s, 8700s.
- Compatible with SINGER Izek 1500 sewing machines.
- പ്രധാനപ്പെട്ടത്: Always consult your sewing machine's manual to confirm bobbin compatibility before use.
Class 15J bobbins are slightly curved and smaller than standard Class 15 bobbins and should not be used interchangeably.

Image 2.1: Diagram illustrating the dimensions of a SINGER Class 15J bobbin (20mm diameter, 11.7mm height, 6.1mm center hole).
3. സജ്ജീകരണവും ഇൻസ്റ്റാളേഷനും
3.1 ബോബിൻ വൈൻഡിംഗ്
- Place an empty SINGER Class 15J bobbin onto the bobbin winding spindle of your sewing machine.
- Follow your machine's specific instructions for threading the bobbin winding tension disk.
- Start winding the thread onto the bobbin. Ensure the thread winds evenly and smoothly.
- Stop winding when the bobbin is full but not overfilled.
കുറിപ്പ്: Always wind thread onto empty bobbins only. Using partially wound bobbins can lead to uneven tension and thread breakage.
3.2 ബോബിൻ ചേർക്കൽ
- Refer to your sewing machine's manual for precise instructions on how to open the bobbin case or bobbin compartment.
- Insert the wound bobbin into the bobbin case or compartment, ensuring the thread unwinds in the correct direction as indicated by your machine's markings.
- Pull the bobbin thread through the tension spring or slot.
- Close the bobbin case or compartment securely.

Image 3.1: A sewing machine in use, with several SINGER Class 15J bobbins visible in the foreground, demonstrating their transparent nature.
4. പ്രവർത്തന നിർദ്ദേശങ്ങൾ
Once the bobbin is correctly installed and the machine is threaded, you can begin sewing. The bobbin thread forms the bottom part of your stitches, working in conjunction with the top spool thread to create strong, consistent seams.
- Thread Monitoring: The transparent design of SINGER Class 15J bobbins allows you to easily monitor the remaining thread, helping to prevent unexpected run-outs during sewing.
- Even Tension: Proper bobbin winding and insertion are key to maintaining even thread tension, which is essential for quality stitches.
Video 4.1: SINGER Sewing Machine Maintenance & Accessories. This video provides general guidance on maintaining a SINGER sewing machine, including aspects related to bobbin function and care.
5. പരിപാലനം
- പതിവ് വൃത്തിയാക്കൽ: After each use, remove the bobbin and brush away any lint and dust from the bobbin area and feed dogs using a small brush. This prevents buildup that can affect stitch quality.
- പരിശോധന: Periodically inspect your bobbins for any signs of damage, such as chips, bends, or cracks. Damaged bobbins can cause thread snags, uneven tension, or even damage to your machine. Replace any compromised bobbins immediately.
- സംഭരണം: Store bobbins in a clean, dry place, preferably in a dedicated bobbin case, to protect them from dust and damage.
6. Troubleshooting Common Bobbin Issues
- അസമമായ തുന്നലുകൾ: This can often be caused by incorrect bobbin winding or improper bobbin tension. Ensure the bobbin is wound evenly and inserted correctly according to your machine's manual.
- ത്രെഡ് പൊട്ടൽ: Check if the bobbin is damaged or if the thread is snagging on any rough edges. Also, verify that the bobbin is inserted with the thread unwinding in the correct direction.
- മെഷീൻ ജാമിംഗ്: Using the wrong size or type of bobbin can lead to jamming. Always confirm that you are using SINGER Class 15J bobbins with compatible machines.
7. ഉൽപ്പന്ന സവിശേഷതകൾ
| ബ്രാൻഡ് | സിംഗർ |
| മോഡൽ നമ്പർ | 06543 |
| Bobbin Class | 15ജെ |
| മെറ്റീരിയൽ | Transparent Plastic |
| അളവ് | 12-Count (Pack of 1) |
| അളവുകൾ | Approximately 20mm diameter, 11.7mm height |
8. വാറൻ്റിയും പിന്തുണയും
For specific warranty information or technical support regarding your SINGER Class 15J Bobbins, please refer to the official SINGER website or contact SINGER customer service. Keep your purchase receipt as proof of purchase.
You can visit the official SINGER Store for more products and support: SINGER Store





