1. Introducció i finalview
The Elna eXtend 664P V2 Overlock Serger Machine, model 664 PRO, is designed for efficient and precise fabric finishing. This machine is capable of neatly cutting, hemming, and sewing various fabrics, including stretch materials, while preventing loose threads. It is an essential tool for creating professional-quality garments and projects with speed and ease.
This manual provides detailed instructions for the safe operation, setup, maintenance, and troubleshooting of your Elna eXtend 664P V2 serger.
Figure 1.1: Elna eXtend 664P V2 Overlock Serger Machine. Aquesta imatge mostra la part frontal view of the Elna 664 PRO serger. Visible features include the threading guides with color-coded tension dials (blue, red, yellow, green), the stitch program chart on the left panel, and the main working area with the needle and looper mechanisms. The machine is white with the "664 PRO elna SWISS DESIGN" logo on the lower right.
2. Informació de seguretat
Always observe the following safety precautions when operating your serger:
- Ensure the machine is unplugged from the power outlet before cleaning, lubricating, or performing any maintenance.
- Keep fingers away from all moving parts, especially the needle, looper, and cutting knife, while the machine is in operation.
- Use only the specified power supply and foot control provided with the machine.
- No feu funcionar la màquina si el cable d'alimentació o l'endoll estan danyats.
- Mantingueu l'àrea de treball ben il·luminada i lliure de desordres.
- Aquest aparell no està pensat per ser utilitzat per persones (inclosos nens) amb capacitats físiques, sensorials o mentals reduïdes, o amb manca d'experiència i coneixements, tret que hagin rebut la supervisió o instruccions sobre l'ús de l'aparell per una persona responsable de la seva seguretat.
3. Configuració
3.1. Desembalatge i inspecció inicial
Carefully remove the serger from its packaging. Retain all packing materials for future storage or transport. Inspect the machine for any visible damage. Ensure all accessories are present as listed in the packing contents.
3.2. Connexió d'alimentació
- Col·loqueu la màquina sobre una superfície plana i estable.
- Connect the foot control plug to the machine's receptacle.
- Connecteu el cable d'alimentació a una presa de corrent adequada.
3.3. Accessory Identification
Your Elna eXtend 664P V2 comes with a comprehensive set of accessories to enhance your sewing experience. These include:
- Raspall de pelussa
- Snap-on Thread Guide
- Threader d'agulles
- Tension Release Clip
- Tornavís (gran)
- Tornavís (petit)
- Llau clau
- Spool Caps (x4)
- Spool Holders (x4 Cones)
- Spool Nets (x4)
- Spreader (for 2 Thread Overlock)
- Standard Foot
- Pinces
- Upper Knife (Spare)
- Waste Chip Box
- Exclusive Elna Accessory Box
- Control de peus
3.4. Enfilar la màquina
Proper threading is critical for optimal serger performance. The Elna 664 PRO features color-coded threading paths to simplify the process. Always follow the numerical and color-coded sequence indicated on the machine.
- Raise the presser foot and the needle to their highest positions.
- Obriu la coberta frontal de la màquina.
- Follow the color-coded guides for each thread (typically lower looper, upper looper, right needle, left needle).
- Ensure threads are seated correctly in all tension discs and guides.
- Use the provided tweezers to assist with threading the loopers and needles.
4. Instruccions de funcionament
4.1. Stitch Program Selection
The Elna 664 PRO offers a variety of stitch programs, indicated on the "PROGRAM" chart on the machine's front panel. Refer to this chart to select the appropriate stitch for your project. The chart includes settings for stitch length (SL), differential feed (DF), and stitch type (ST).
| Programa núm. | Tipus de puntada | Descripció | Fils |
|---|---|---|---|
| 1 | Fil de seguretat 4 | Strong, secure seam for woven fabrics. | 4 |
| 2 | Punt elàstic | Flexible seam for knit fabrics. | 4 |
| 3 | Aplec | Creates gathers on fabric. | 4 |
| 4 | Stretch Wrapped | Specialized stretch seam. | 3 |
| 5 | 3 Ample de fil | Wide overlock stitch. | 3 |
| 6 | 3 Fil | Standard 3-thread overlock. | 3 |
| 7 | Dobladillo estret 3 | Narrow hem with 3 threads. | 3 |
| 8 | Dobladillo enrotllat 3 | Rolled hem with 3 threads. | 3 |
| 9 | Dobladillo enrotllat 2 | Rolled hem with 2 threads. | 2 |
| 10 | Overcast 2 | 2-thread overcast stitch. | 2 |
| 11 | Flatlock 2 | Flatlock stitch with 2 threads. | 2 |
| 12 | Flatlock 3 | Flatlock stitch with 3 threads. | 3 |
4.2. Ajust de la tensió
The tension dials, located at the top of the machine and color-coded to match the threading paths, control the tightness of each thread. Adjust these dials according to the fabric type and desired stitch appearance. Generally, a balanced stitch will have threads meeting smoothly at the fabric edge.
4.3. Differential Feed
The differential feed mechanism allows you to adjust the feeding of fabric to prevent stretching or puckering. Use a higher differential feed setting for stretchy fabrics to prevent stretching, and a lower setting (or 1.0 for normal) for gathering or to prevent puckering on fine fabrics.
4.4. Stitch Length and Cutting Width
Adjust the stitch length using the dial on the right side of the machine. The cutting width can also be adjusted to ensure the fabric edge is trimmed precisely for a clean finish.
5. Manteniment
Regular maintenance ensures the longevity and optimal performance of your Elna serger. Always unplug the machine before performing any maintenance.
5.1. Neteja
- Use the provided lint brush to remove lint and thread scraps from the looper area, under the needle plate, and around the feed dogs.
- Empty the waste chip box regularly to prevent accumulation of fabric trimmings.
- Wipe the exterior of the machine with a soft, dry cloth. Do not use harsh chemicals or abrasive cleaners.
5.2. Lubricació
Refer to the full operational manual for specific lubrication points and recommended oil. Generally, a few drops of high-quality sewing machine oil should be applied to moving metal parts as indicated.
5.3. Substitució d'agulla
Replace needles regularly (every 8-10 hours of sewing or after every major project) or if they become bent, dull, or broken. Use only needles specified for serger machines. Ensure the flat side of the needle faces the back of the machine when inserting.
5.4. Upper Knife Replacement
The upper knife may become dull over time. Use the provided spanner and spare upper knife to replace it when necessary. Ensure the new knife is securely fastened and correctly aligned.
6. Solució De Problemes
Aquesta secció tracta els problemes habituals que podeu trobar. Per a problemes més complexos, consulteu un tècnic de servei qualificat.
| Problema | Causa possible | Solució |
|---|---|---|
| Punts saltats | Incorrect needle, bent needle, improper threading, dull needle. | Replace needle with correct type, re-thread machine, replace dull needle. |
| Broken Thread | Incorrect threading, tension too tight, poor quality thread, burr on thread path. | Re-thread carefully, adjust tension, use good quality thread, check for burrs. |
| Uneven Stitches / Puckering | Incorrect tension, incorrect differential feed setting, wrong stitch length. | Adjust tension dials, adjust differential feed, adjust stitch length. |
| La màquina no arrenca | Power cord not plugged in, foot control not connected, safety switch engaged. | Check all connections, ensure front cover is closed if it has a safety switch. |
7. Especificacions
Key specifications for the Elna eXtend 664P V2 Overlock Serger Machine:
- Número de model: 664 PRO
- Dimensions del producte: 11.81 x 13.78 x 12.99 polzades
- Pes de l'article: 18.46 lliures
- Fabricant: Elna
- Color: Plata
- Font d'alimentació: Elèctric
- Stitch Types: 2, 3, and 4-thread overlock stitches, including rolled hem, flatlock, and safety stitches.
8. Garantia i Suport
For information regarding warranty coverage, please refer to the warranty card included with your purchase or contact Elna customer support directly. Keep your proof of purchase for warranty claims.
For technical assistance, spare parts, or service, please contact your authorized Elna dealer or visit the official Elna website for support contact information. When contacting support, please have your machine's model number (664 PRO) and serial number ready.
Nota: Les reparacions o modificacions no autoritzades poden anul·lar la garantia.
