pengenalan
This manual provides essential instructions for the safe and efficient operation, maintenance, and troubleshooting of your SINGER Heavy Duty 6620C Computerized Sewing Machine. Please read this manual thoroughly before using the machine to ensure optimal performance and longevity.
Arahan Keselamatan Penting
Apabila menggunakan perkakas elektrik, langkah berjaga-jaga keselamatan asas hendaklah sentiasa dipatuhi, termasuk yang berikut:
- Always unplug the sewing machine from the electrical outlet immediately after using and before cleaning.
- Jangan biarkan digunakan sebagai mainan. Perhatian rapi diperlukan apabila perkakas ini digunakan oleh atau berhampiran kanak-kanak.
- Gunakan perkakas ini hanya untuk kegunaan yang dimaksudkan seperti yang diterangkan dalam manual ini.
- Jangan sekali-kali mengoperasikan perkakas ini jika ia mempunyai kabel atau palam yang rosak, jika tidak berfungsi dengan baik, atau jika telah jatuh atau rosak
- Jangan sekali-kali menjatuhkan atau memasukkan sebarang objek ke dalam mana-mana bukaan.
- Jangan gunakan di luar rumah.
- Jangan beroperasi di tempat produk aerosol (semburan) digunakan atau di mana oksigen diberikan.
- Untuk memutuskan sambungan, matikan semua kawalan ke kedudukan mati, kemudian tanggalkan palam dari alur keluar.
- Always unplug the machine when making any adjustments in the needle area, such as threading the machine, changing the needle, changing the bobbin, or changing the presser foot.
Persediaan
Membongkar dan Meletakkan
Carefully remove the machine from its packaging. Place the machine on a stable, flat surface. Ensure adequate lighting for your workspace.
Connecting Power and Foot Control
Locate the power cord and foot control. Plug the power cord into the machine's power input and then into a suitable electrical outlet. Connect the foot control to its designated port on the machine.
Video: SINGER C5200 Series - Introduction and Machine Tour. This video demonstrates the basic setup and overview of a similar SINGER sewing machine model, including power and foot control connections.
Menggulung Bobbin
The SINGER 6620C features a top drop-in bobbin system. To wind a new bobbin:
- Letakkan gelendong benang anda pada pin gelendong.
- Pandu benang melalui cakera tegangan penggulungan gelendong.
- Place an empty bobbin onto the bobbin winding spindle.
- Tolak gelendong penggulungan gelendong ke kanan.
- Hold the thread end and gently press the foot control to start winding. The machine will stop automatically when the bobbin is full.
Video: SINGER C5200 Series - Introduction and Machine Tour. This video includes a demonstration of bobbin winding for a similar SINGER model.
Menyulam Mesin
The SINGER 6620C features an automatic needle threader for convenience.
- Naikkan pengangkat kaki penekan.
- Place the thread spool on the main spool pin.
- Ikut laluan penguliran bernombor yang ditunjukkan pada mesin, pastikan benang melalui semua panduan dan tuil pengambil.
- Turunkan kaki penekan.
- Use the automatic needle threader to thread the needle effortlessly.
- Masukkan gelendong lilit ke dalam bekas gelendong, pastikan benang masuk dengan betul melalui spring tegangan.
- Tutup penutup gelendong.
Video: SINGER C5200 Series - Introduction and Machine Tour. This video demonstrates the threading process for a similar SINGER model.
Mengendalikan Mesin Jahit Anda
Memilih Jahitan
The SINGER 6620C offers 215 stitch applications. Use the touch-button controls and LCD screen to select your desired stitch. The LCD screen will display the stitch number, width, and length, along with recommended presser foot.

Image: Close-up of the SINGER 6620C's LCD screen and touch-button controls for stitch selection and adjustment.
Adjusting Stitch Length and Width
Adjust stitch length and width using the dedicated touch buttons next to the LCD screen. Refer to the stitch chart on the machine for optimal settings for each stitch type.
Sewing with the Reverse Lever
To reinforce stitches at the beginning and end of a seam, press and hold the reverse lever while sewing. The machine will sew backward as long as the lever is held down.
Menggunakan Lengan Bebas
To access the free arm, slide off the removable accessory storage compartment. The free arm is ideal for sewing cylindrical items such as cuffs, collars, and pant hems.

Image: The SINGER 6620C sewing machine with its accessory storage box detached, revealing the free arm for sewing cuffs and other small, circular items.
Melaraskan Tekanan Kaki Penekan
The presser foot pressure adjustment knob allows you to fine-tune the pressure on your fabric. Reduce pressure for delicate fabrics and increase it for thicker materials to ensure even feeding.

Image: Close-up of the adjustable presser foot pressure dial on the SINGER 6620C, allowing users to customize pressure for various fabric types.
Video: SINGER Heavy Duty 6620C. This video provides a general overview of the SINGER 6620C's features and operation.
Penyelenggaraan
Membersihkan Kawasan Bobbin
Regularly clean the bobbin area to remove lint and thread buildup. Open the bobbin cover, remove the bobbin and bobbin case, and use the provided brush to clear any debris. This prevents thread jams and ensures smooth operation.
Menukar Jarum
Always use the correct needle type and size for your fabric. To change the needle, loosen the needle clamp skru, tanggalkan jarum lama, masukkan jarum baru dengan bahagian rata menghadap belakang, dan ketatkan skru dengan ketat.
Pembersihan Am
Wipe down the exterior of the machine with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
Menyelesaikan masalah
Isu dan Penyelesaian Biasa
- Jahitan yang dilangkau: Ensure the needle is inserted correctly and is not bent. Use the appropriate needle type for your fabric. Re-thread the machine completely.
- Kerosakan Benang: Check for correct threading, proper tension settings, and ensure the needle is not dull or bent. Use quality thread.
- Fabrik Tersumbat: Verify that the presser foot is lowered before sewing. Clean the bobbin area for any lint buildup.
- Jahitan Tidak Sekata: Adjust the tension settings for both upper and bobbin threads. Ensure consistent fabric feeding.
Spesifikasi
| Ciri | Perincian |
|---|---|
| Nombor Model | 6620C |
| Aplikasi Jahitan | 215 |
| Stitches Per Minute | Sehingga 1100 |
| Bahan Bingkai | Logam Tugas Berat |
| Jenis Bobbin | Top Drop-in |
| Benang Jarum | Automatik |
| Paparan | Skrin LCD |
| Dimensi Produk | 17.3 x 7.5 x 10.9 inci |
| Berat Barang | 16.24 paun |
| Termasuk Aksesori | 9 presser feet, bobbins, needles, seam ripper, soft cover, etc. |
Waranti dan Sokongan
For warranty information, product registration, and additional support, please visit the official SINGER website or contact customer service. A free beginner's machine class is also available upon product registration.