1. Fampidirana
This manual provides comprehensive instructions for the Generic 250W Household Four Thread Lockstitch Overlock Sewing Machine (Model GJ00331). It covers essential information for safe setup, operation, maintenance, and troubleshooting, ensuring optimal performance for home use sewing projects. Please read this manual thoroughly before operating the machine to ensure safe and efficient use.

Sary 1: Tapitraview of the Generic 250W Household Four Thread Lockstitch Overlock Sewing Machine.
2. Torolàlana momba ny fiarovana
Araho hatrany ny fepetra fiarovana fototra rehefa mampiasa fitaovana elektrika mba hampihenana ny mety hisian'ny afo, fahatafintohinana herinaratra, na ratra amin'ny olona.
- Vakio ny toromarika rehetra alohan'ny hampiasana ny milina.
- Ataovy lavitra ny rantsantanana amin'ny faritra mihetsika rehetra. Mila fitandremana manokana ny manodidina ny fanjaitra milina fanjairana.
- Esory foana ny milina fanjairana amin'ny fivoahana elektrônika rehefa esorina ny sarony, na manosotra, na rehefa manao fanitsiana hafa momba ny serivisy ho an'ny mpampiasa voalaza ao amin'ny boky fampianarana.
- Aza mampiasa ny milina fanjairana mihitsy raha simba ny tady na ny plug-ny, raha tsy mandeha tsara, na raha latsaka na simba.
- Aza mampiasa any ivelany.
- Aza mandatsaka na mampiditra zavatra amin'ny varavarana rehetra.
3. Vokatra mihoatraview
3.1 Lafin-javatra fototra
- Safidy hery: Available in 180W, 250W, and 300W variants to suit different sewing needs. This specific model is 250W.
- Four-Thread Lockstitch: Capable of producing durable and professional four-thread overlock stitches.
- Adjustable Stitch Settings: Foot length adjustable from 1-4 mm, and stitch width from 4.7-5.7 mm.
- Haingam-pandeha: Maximum sewing speed of 1200 rpm for efficient work.
- Rafitra fanjaitra: Uses DP5X80-95 needles, with a total of 4 needles for overlock stitching.
- Presser Foot Height: 3 mm presser foot height.
3.2 singa
Familiarize yourself with the main components of your overlock sewing machine.

Figure 2: White 250W Four-Wire Overlock Sewing Machine with LED Light Motor and external controller.

Figure 3: White 180W Four-Wire Overlock Sewing Machine with LED Light Motor and external controller.

Figure 4: Pink 300W Four-Wire Overlock Sewing Machine with LED Light Motor and external controller.

Figure 5: Overlock Sewing Machine with thread spools mounted on the thread stand.
4. Fametrahana
4.1 Famoahana sy fametrahana
- Carefully remove the machine from its packaging. The package weighs approximately 11 kg.
- Place the machine on a stable, level surface. Ensure there is adequate space around the machine for fabric handling.
- Connect the foot controller and power cord to the machine and a suitable electrical outlet.
4.2 Fametrahana kofehy amin'ny milina
Correct threading is crucial for proper stitch formation. Refer to the threading diagram usually found on the machine or in a separate guide. This machine uses four threads.
- Place four spools of thread on the thread stand.
- Follow the numbered or color-coded threading path for each thread, guiding them through the tension discs, thread guides, and loopers, finally through the needles.
- Ensure all threads are seated correctly in their respective tension discs.
5. Torolàlana miasa
5.1 Basic Sewing Operation
- Raise the presser foot using the presser foot lifter.
- Place the fabric under the presser foot, aligning the edge with the cutting blade.
- Ampidino ny tongotra fanerena.
- Tsindrio moramora ny mpanara-tongotra mba hanombohana manjaitra. Tariho moramora ny lamba.
- After sewing, raise the presser foot and pull the fabric away from the needles, cutting the thread tails.

Figure 6: Fabric being guided through the overlock machine during sewing.
5.2 Fanitsiana ny fametrahana ny zaitra
The machine allows for adjustment of stitch length and width to suit different fabric types and desired finishes.
- Halavan'ny zaitra: The foot length can be adjusted from 1 mm to 4 mm. Refer to the machine's dial or lever for stitch length adjustment.
- Sakan'ny zaitra: The stitch width ranges from 4.7 mm to 5.7 mm. Adjust the cutting blade position or stitch finger as per machine design.
- Fanitsiana ny fihenjanana: Each thread has a tension dial. Adjust tension as needed to achieve balanced stitches. Uneven stitches often indicate incorrect tension.

Sary 7: Eksamples of different stitch overhanging effects achievable with the machine, including ordinary four-wire, three-wire, secret copy, and three-line broadside.
6. Fikojakojana
Ny fikojakojana tsy tapaka dia miantoka ny faharetan'ny milina fanjairanao sy ny fahombiazany tsara indrindra.
- Fanadiovana: Regularly clean lint and dust from the feed dogs, needle plate, and looper area using a brush. Unplug the machine before cleaning.
- menaka: Apply a small amount of sewing machine oil to designated oiling points as indicated in the machine's specific diagram (if available).
- Fanoloana fanjaitra: Replace needles frequently, especially when they become dull or bent. Use needle size DP5X80-95.
- Fikojakojana ny Blade: The cutting blades may need occasional cleaning or replacement if they become dull.
7. Famahana olana
Ity fizarana ity dia miresaka momba ireo olana mahazatra mety hatrehinao. Raha misy olana tsy voatanisa eto, mifandraisa amin'ny serivisy ho an'ny mpanjifa.
| OLANA | Antony mety hitranga | vahaolana |
|---|---|---|
| Nandalo zaitra | Fanjaitra tsy tafiditra tsara, fanjaitra miolikolika, karazana fanjaitra diso, kofehy tsy mety ampidirina. | Re-insert needle correctly, replace needle, ensure correct needle type (DP5X80-95), re-thread machine. |
| Tapaka kofehy | High thread tension, poor quality thread, burrs on thread path, incorrect threading. | Reduce tension, use good quality thread, check thread path for obstructions, re-thread. |
| Zaitra tsy mitovy | Tsy mety ny fametrahana ny fihenjanana, ny fampidirana kofehy tsy mety, ny fanjaitra dombo. | Adjust tension dials, re-thread, replace needle. |
| Tsy manomboka ny milina | Power cord not plugged in, foot controller not connected, power switch off. | Check all power connections, ensure power switch is on. |
8. Famaritana
| Laharana modely | GJ00331 |
| Power Options | 180W / 250W / 300W (This model: 250W) |
| Herin'ny maotera | 100W |
| Foot Length Adjustment | 1 - 4 mm |
| Stitch Width Range | 4.7 - 5.7 mm |
| Presser Foot Height | 3 mm |
| Karazana fanjaitra | DP5X80-95 |
| Isan'ny fanjaitra | 4 |
| Hafainganam-panjaitra ambony indrindra | 1200 rpm |
| Tombanana lanja fonosana | 11 kg |
| Daty misy voalohany | 11 Oktobra 2025 |
9. Warranty sy fanohanana
This product is manufactured by Generic. For specific warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your retailer. Keep your purchase receipt as proof of purchase.
For technical assistance or inquiries, please contact the seller or manufacturer directly. Ensure you have your model number (GJ00331) and purchase details ready.