1. Okwu mmalite
This manual provides essential instructions for the safe and efficient operation, setup, and maintenance of your Singer SN1851 Electric Sewing Machine. Please read this manual thoroughly before using the machine to ensure proper function and to prevent damage or injury. Keep this manual in a safe place for future reference.

This image displays the Singer SN1851 electric sewing machine from the front, highlighting its compact design and main controls.
2. Ntuziaka nchekwa
Always follow basic safety precautions when using an electrical appliance to reduce the risk of fire, electric shock, or injury to persons.
- Always unplug the machine from the electrical outlet immediately after using, before cleaning, or when making any adjustments.
- Ekwela ka e jiri igwe a mee ihe dị ka ihe egwuregwu ụmụaka. Ọ dị mkpa ka e lebara ya anya nke ọma mgbe ụmụaka na-eji ya ma ọ bụ mgbe ha nọ nso.
- Use this product only for its intended use as described in this manual. Use only accessories recommended by the manufacturer.
- Never operate this machine if it has a damaged cord or plug, if it is not working properly, or if it has been dropped or damaged.
- Wepụ mkpịsị aka n'akụkụ akụkụ niile na-akpụ akpụ. Achọrọ nlekọta pụrụ iche na agịga igwe eji akwa akwa.
- Dobela ma ọ bụ tinye ihe ọ bụla n'ime oghere ọ bụla.
- Ejila n'èzí.
3. Ngwa ngwaahịa na atụmatụ
Familiarize yourself with the various parts and functions of your sewing machine.

This image shows the stitch length adjustment dial and the pattern selection dial on the Singer SN1851. The stitch length dial allows adjustment for various fabric thicknesses, while the pattern dial offers easy selection of different stitch types.

This image illustrates key features of the Singer SN1851, including its powerful built-in motor, 7-point feed dog for smooth fabric feeding, a streamlined workspace for comfortable sewing, and the foot controller for hands-free speed adjustment.

This image showcases the free arm feature, which allows for easy sewing of cylindrical items like sleeves and pant hems by removing the accessory table. It also shows the bright, long-lasting LED light for illuminating the sewing area and the automatic buttonhole function for precise buttonholes.
4. Nhazi
4.1 Njikọ ike
- Ensure the machine's power switch is in the OFF position.
- Connect the foot controller plug into the machine's receptacle.
- Insert the power cord plug into a suitable electrical outlet.
4.2 Bobbin Winding
Proper bobbin winding is crucial for consistent stitch quality.
- Tinye eriri eri na ntụtụ spool.
- Na-eduzi eri ahụ site na ndu eriri elu na gburugburu diski ikuku nke bobbin.
- Tinye bobbin na-adịghị efu n'elu spindle bobbin winder.
- Wind the thread a few times manually around the bobbin.
- Pịa eriri winder bobbin n'aka nri.
- Gently press the foot controller to start winding. Release when the bobbin is full.
- Bee eriri ahụ ma kwaghachi spindle bobbin winder azụ n'aka ekpe.
4.3 Ịgbanye igwe
Follow these steps for correct upper and lower threading.

This image demonstrates the easy bobbin threading system, where the bobbin can be inserted and threaded without needing to pull up the lower thread. It also highlights the automatic needle threader, simplifying the threading process with a single lever.
Eriri Elu:
- Welie ihe nrịbama ụkwụ.
- Debe eriri eriri ahụ n'elu ntụtụ spool ahụ.
- Guide the thread through the upper thread guides.
- Pass the thread through the tension discs and take-up lever.
- Thread the needle from front to back using the automatic needle threader for convenience.
Lower Threading (Bobbin Insertion):
- Mepee mkpuchi bobbin.
- Insert the wound bobbin into the bobbin case, ensuring the thread unwinds in the correct direction.
- Guide the thread through the bobbin case tension spring.
- Close the bobbin cover. The machine is designed for easy bobbin threading, eliminating the need to pull up the lower thread manually.
5. Ntuziaka ọrụ
5.1 Nhọrọ Stitch na mmezi
Your Singer SN1851 offers a variety of stitch patterns and lengths.
- Stitch Pattern Selection: Turn the pattern selection dial to choose your desired stitch (e.g., straight stitch, zigzag, decorative stitches). Refer to the stitch chart for available patterns.
- Ndozi Ogologo Ogologo Stitch: Use the stitch length dial to adjust the length of your stitches. Longer stitches are suitable for thicker fabrics, while shorter stitches are for finer materials.

This image displays the variety of stitch patterns available with the Singer SN1851, categorized as S1 and S2. It also lists and illustrates the included accessories, such as various presser feet, needles, bobbins, and a soft cover.
5.2 Isi ịkwa akwa
- Debe akwa ahụ n'okpuru ụkwụ nrịbama.
- Wetuo ntakiri ụkwụ.
- Turn the handwheel towards you to bring the needle down into the fabric, then up again.
- Gently press the foot controller to start sewing. Control your speed by varying the pressure on the foot controller.
- Jiri nwayọọ duzie ákwà ahụ ka ọ na-abanye n'ime igwe ahụ. Adọkpụrụla ma ọ bụ kwaga ákwà ahụ n'ike.
- To stop sewing, release the foot controller. Raise the needle to its highest position and lift the presser foot.
- Dọpụ ákwà ahụ n'ime igwe ahụ wee jiri eriri bee eriri ahụ.
5.3 Using the Free Arm
The free arm feature is ideal for sewing small, cylindrical items.
- Remove the accessory storage box by sliding it to the left. This exposes the free arm.
- Slip the item (e.g., sleeve, pant hem) over the free arm.
- Proceed with sewing as usual.
5.4 Automatic Buttonhole Function
The Singer SN1851 simplifies buttonhole creation.
- Attach the buttonhole presser foot.
- Place the button you wish to use into the buttonhole foot's holder.
- Select the buttonhole stitch pattern on the dial.
- Wetuo lever oghere bọtịnụ.
- Begin sewing. The machine will automatically create a buttonhole sized to your button.
6. Nlekọta
Ndozi mgbe niile na-eme ka igwe ịkwa akwa gị dị ogologo ma na-arụ ọrụ nke ọma.
- Nhicha: Regularly clean lint and dust from the bobbin area and feed dogs using the brush provided or a small soft brush. Unplug the machine before cleaning.
- Ndochi agịga: Replace the needle frequently, especially after sewing heavy fabrics or if it becomes bent or dull. A damaged needle can cause skipped stitches or thread breakage.
- Mmanu: Refer to your full instruction manual for specific oiling points and frequency. Use only high-quality sewing machine oil.
- Nchekwa: When not in use, cover the machine with the soft cover to protect it from dust. Store in a dry, cool place.
7. Nchọpụta nsogbu
Nke a bụ ngwọta maka nsogbu nkịtị ị nwere ike ihu:
| Nsogbu | Ihe nwere ike ime | Ngwọta |
|---|---|---|
| Stitches mafere | Agịga na-ezighi ezi, agịga agbagọ, eriri na-ezighi ezi. | Replace needle with correct type/size, re-thread machine correctly. |
| Njiji eriri | Improper threading, incorrect tension, damaged needle, poor quality thread. | Re-thread machine, adjust tension, replace needle, use good quality thread. |
| Stitches akwụghị ọtọ | Incorrect tension, pulling/pushing fabric, wrong needle for fabric. | Adjust tension, guide fabric gently, use appropriate needle. |
| Igwe anaghị amalite | Power cord not plugged in, foot controller not connected, power switch off. | Check all connections, ensure power switch is ON. |
Ọ bụrụ na nsogbu na-adịgide mgbe ị nwara azịza ndị a, biko kpọtụrụ nkwado ndị ahịa.
8. Nkọwapụta
- Akara: Onye na-abụ abụ
- Ụdị: SN1851
- Ihe: Acrylonitrile Butadiene Styrene (ABS)
- Akụkụ ngwaahịa: 19.3 cm (Omimi) x 41.6 cm (Obosara) x 30 cm (Ogologo)
- Arọ ngwaahịa: 6390 grams
- Isi mmalite ike: Igwe ọkụ eletrik
9. Ngwa ngwa
The Singer SN1851 comes with a range of accessories to enhance your sewing experience.

This image displays the variety of stitch patterns available with the Singer SN1851, categorized as S1 and S2. It also lists and illustrates the included accessories, such as various presser feet, needles, bobbins, and a soft cover.
Standard accessories typically include:
- All-Purpose Foot (Zigzag Foot)
- Ụkwụ Zipper
- Ụkwụ bọtịnụ oghere
- Bọtịnụ ịkwa akwa ụkwụ
- Seam Ripper / Brush
- Ngwunye agịga
- Bobbins
- Spool Holders (Small and Large)
- Ihe enyemaka Spool Pin
- Spool Pin Felt
- Nduzi nduzi
- L-Screwdriver
- Ihe mkpuchi dị nro
- Controlkwụ njikwa
10. Akwụkwọ ikike na nkwado
For warranty information and customer support, please refer to the documentation included with your purchase or visit the official Singer websaịtị. Debe ihe akaebe nke ịzụrụ maka akwụkwọ ikike.





