1. المقدمة
The SINGER® HD0400S Heavy Duty Overlock Serger Sewing Machine is designed for durable performance and professional finishes. This machine offers speed, strength, and precision for various sewing projects, from finishing seams to creating decorative edges. It features a heavy metal frame, 2/3/4 thread capability, and a high stitching speed of up to 1,300 stitches per minute.

الشكل 1: The SINGER HD0400S Heavy Duty Overlock Serger Sewing Machine, showcasinبفضل تصميمه المتين.
This manual provides instructions for setting up, operating, and maintaining your SINGER HD0400S serger to ensure optimal performance and longevity.
2. تعليمات السلامة الهامة
Before using the SINGER HD0400S serger, please read all instructions. Keep this manual for future reference.
- Always unplug the machine from the electrical outlet immediately after using and before cleaning, removing covers, or making any user servicing adjustments.
- لا تسمح للأطفال بتشغيل الماكينة دون إشراف.
- استخدم هذا الجهاز فقط للغرض المخصص له كما هو موضح في هذا الدليل.
- لا تقم بتشغيل الجهاز أبدًا إذا كان سلكه أو قابسه تالفًا، أو إذا لم يكن يعمل بشكل صحيح، أو إذا سقط أو تعرض للتلف.
- Keep fingers away from all moving parts. Special care is required around the serger needles and cutting knife.
- استخدم دائمًا صفيحة الإبرة المناسبة. قد يؤدي استخدام صفيحة خاطئة إلى كسر الإبرة.
- لا تسحب أو تدفع القماش أثناء الخياطة. فقد يؤدي ذلك إلى انحراف الإبرة وكسرها.
- Turn the serger off when making any adjustments in the needle area, such as threading the needle, changing the needle, or changing the presser foot.
3. Machine Components and Included Accessories
3.1 انتهت الآلةview
Familiarize yourself with the main parts of your SINGER HD0400S serger.

الشكل 2: زيادةview of the SINGER HD0400S serger with key components labeled, including tension indicators, stitch length display, and differential feed adjustment.
- Right Needle Thread Tension Selector (Green): Adjusts tension for the right needle thread.
- Left Needle Thread Tension Display (Blue): Displays tension for the left needle thread.
- Upper Looper Thread Tension Indicator (Orange): Indicates tension for the upper looper thread.
- Lower Looper Thread Tension Indicator (Yellow): Indicates tension for the lower looper thread.
- Stitch Length Display: Shows the current stitch length setting.
- Differential Feed Adjustment Lever/Button: Controls the differential feed ratio.
- Cloth Plate: The working surface where fabric is placed.
3.2 الملحقات المضمنة
The following accessories are included with your SINGER HD0400S serger:
- 4 Thread Spool Holders
- All-Purpose Foot
- فرشاة الوبر
- الإبر
- Scrap Bag
- مفك البراغي
- Spare Lower Knife
- مفرشة الأسمدة
- حجرة التخزين
- ملاقيط
4. الإعداد
4.1 التفريغ والتنسيب
- Carefully remove the serger from its packaging.
- ضع الآلة على سطح ثابت ومستو.
- Ensure there is adequate space around the machine for fabric handling and accessory storage.
- قم بتوصيل سلك الطاقة بالجهاز، ثم بمأخذ كهربائي مناسب.
4.2 تركيب الخيوط في الماكينة
The SINGER HD0400S features a color-coded threading system and on-machine diagrams to simplify the threading process.

الشكل 3: The color-coded threading paths on the SINGER HD0400S serger, designed for ease of use.
- Raise the presser foot and turn the handwheel towards you to raise the needles to their highest position.
- Follow the color-coded guides on the machine for each thread (blue for left needle, green for right needle, orange for upper looper, yellow for lower looper).
- Use the included tweezers to assist with guiding threads through small openings.
- Ensure all threads are correctly seated in their tension discs and guides.
Refer to the detailed threading diagrams printed on the machine for precise instructions.
5. تعليمات التشغيل
5.1 Basic Operation and Stitch Options
The HD0400S offers 2, 3, or 4 thread stitch options for various professional finishes.

الشكل 4: Key operational features of the SINGER HD0400S, including high-speed stitching, the larger cutting knife, and versatile thread capacity.
- Stitching Speed: The machine operates at up to 1,300 stitches per minute, allowing for efficient completion of projects.
- 2/3/4 Thread Capability: Select the appropriate number of threads for your desired stitch type (e.g., 4-thread overlock for strong seams, 3-thread for general finishing, 2-thread for delicate rolled hems).
- ضبط طول الغرزة: Use the stitch length dial to set the desired stitch length for your fabric and project.
5.2 Differential Feed Control
The differential feed system controls the movement ratio between the front and back sections of the feed teeth. This feature is crucial for managing various fabric types.

الشكل 5: A hand adjusting the differential feed dial, which helps prevent fabric stretching or puckering.
- Preventing Puckering: For lightweight or stretchy fabrics, adjust the differential feed to a higher ratio (e.g., above 1.0) to prevent puckering.
- Preventing Stretching: For knit fabrics or bias-cut materials, adjust to a lower ratio (e.g., below 1.0) to prevent stretching.
- Even Stitching: For most woven fabrics, a 1:1 ratio (1.0) is suitable for even stitching.
5.3 حافة ملفوفة مدمجة
The HD0400S features a built-in rolled hem plate, allowing for quick conversion to rolled hem stitching without changing the stitch plate.
- Locate the lever for the rolled hem conversion.
- Flip the lever to engage the rolled hem setting.
- Adjust tension settings as recommended for rolled hems (refer to the full user manual for specific tension guidelines).
5.4 Free Arm Design
The free arm design facilitates sewing tubular items such as cuffs, sleeves, and small openings.
- Remove the accessory storage compartment to expose the free arm.
- Slide the tubular fabric item onto the free arm.
- Proceed with stitching, ensuring the fabric moves smoothly around the free arm.
5.5 Dual LED Lighting
Two integrated LED lights illuminate the work area, reducing shadows and improving visibility, especially when working with dark fabrics or in low-light conditions.

الشكل 6: A user operating the SINGER HD0400S, demonstrating the illuminated work area provided by the dual LED lights.
6. الصيانة
Regular maintenance ensures the smooth operation and longevity of your serger.
6.1 التنظيف
- إيقاف التشغيل: قم دائمًا بإيقاف تشغيل الجهاز وفصله عن الكهرباء قبل التنظيف.
- إزالة الوبر: Use the included lint brush to remove lint and thread scraps from the feed dogs, looper area, and under the needle plate.
- Scrap Bag: Regularly empty the scrap bag to prevent accumulation of fabric trimmings.
- التنظيف الخارجي: امسح الأسطح الخارجية بقطعة قماش ناعمة وجافة. لا تستخدم مواد كيميائية قاسية أو منظفات كاشطة.
6.2 Replacing the Lower Knife
The serger includes a spare lower knife. Replace the knife when it becomes dull to ensure clean fabric cuts.
- السلامة أولاً: تأكد من فصل الجهاز.
- Access Knife: Open the front cover to access the lower knife.
- إزالة السكين القديمة: Use the screwdriver to loosen the screw holding the lower knife in place and carefully remove it.
- تركيب سكين جديد: Insert the spare lower knife, ensuring it is correctly positioned, and tighten the screw securely.
- امتحان: Close the cover and perform a test stitch on scrap fabric to verify proper cutting.
7. استكشاف الأخطاء وإصلاحها
This section addresses common issues you might encounter. For more detailed troubleshooting, refer to the complete user manual.
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| تم تخطي الغرز | إبرة غير صحيحة، إبرة منحنية، خيط غير صحيح، شد غير صحيح. | Replace needle with correct type/size, re-thread machine carefully, adjust tension settings. |
| كسر الخيط | شد عالي، خيط رديء الجودة، نتوءات على مسار الخيط، تركيب غير صحيح للخيط. | قلل الشد، واستخدم خيطًا عالي الجودة، وتحقق من مسار الخيط بحثًا عن أي عوائق، ثم أعد تركيب الخيط. |
| تجعد/تمدد القماش | إعداد التغذية التفاضلية غير صحيح. | Adjust differential feed ratio according to fabric type (see Section 5.2). |
| الآلة لا تبدأ | Power cord not connected, power switch off, safety features engaged. | Check power connections, ensure switch is on, verify all covers are closed. |
8. المواصفات
| ميزة | التفاصيل |
|---|---|
| ماركة | SINGER |
| رقم الموديل | HD0400S |
| لون | رمادي |
| مادة | Metal (Heavy Duty Frame) |
| أبعاد المنتج (العمق × العرض × الارتفاع) | 14 بوصة عمق × 11 بوصة عرض × 11.5 بوصة ارتفاع |
| مصدر الطاقة | كهربائي |
| Stitch Options | 2/3/4 Thread |
| عدد الغرز في الدقيقة (SPM) | حتى 1300 |
| سكين القطع | 60% Larger than standard models |
| Differential Feed | قابل للتعديل |
| توالت تنحنح | لوحة مدمجة |
| نوع الذراع | ذراع مجاني |
| إضاءة | أضواء ليد المزدوجة |
| قابلية النقل | مقبض حمل مدمج |
| GTIN (UPC) | 037431887269 |
9. الضمان والدعم
For detailed warranty information, please refer to the official SINGER warranty documentation included with your purchase.
For comprehensive instructions, advanced techniques, and further troubleshooting, please download the complete User Manual (PDF) from the official SINGER webالموقع أو عبر الرابط المقدم أثناء الشراء.
تنزيل دليل المستخدم (PDF)
For customer support, visit the official SINGER webالموقع أو الاتصال بقسم خدمة العملاء.