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ELNA 664 Pro User Manual

ELNA 664 Pro
98 pages
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Instruction Manual | Mode d’emploi | Gebrauchsanleitung
elna 664 Pro

Table of Contents

Questions and Answers:

ELNA 664 Pro Specifications

General IconGeneral
Stitch Length5 mm
Stitch Width7 mm
Free ArmYes
Built-in Needle ThreaderYes
Drop FeedYes
TypeElectronic

Summary

IMPORTANT SAFETY INSTRUCTIONS

DANGER - To reduce the risk of electric shock:

Instructions to mitigate risks associated with electric shock.

WARNING - To reduce the risk of burns, fire, electric shock, or injury to persons:

Instructions to mitigate risks of burns, fire, electric shock, or personal injury.

PREPARATION

Names of Parts

Identifies and labels the various components of the sewing machine.

Machine Setup and Accessories

Instructions for attaching waste box, managing accessories, and using spool holder cap/net.

Connecting the Machine to the Power Supply

Controlling Sewing Speed

How to Turn the Handwheel

Opening and Closing the Side Cover

Opening and Closing the Looper Cover

Presser Foot Operations

Raising or Lowering the Presser Foot

How to raise and lower the presser foot for sewing or threading.

Removing and Attaching the Presser Foot

Step-by-step guide for detaching and reattaching the presser foot.

Adjustment of Foot Pressure

How to adjust the pressure exerted by the presser foot on the fabric.

Thread Guide Bar and Spool Holder

The Position of Thread Guide Bar

Correct positioning of the thread guide bar relative to spool pins.

Attaching the Spool Holder Cap and Net

Instructions for securing the spool holder cap and using a net for yarn.

Accessories and Stitch Reference

Accessories For Decorative Threads

Information and guidance on using various decorative threads for overlocking.

Tension Release Clips

How to properly use tension release clips with decorative threads.

Snap-on Thread Guide

Instructions for attaching and using the snap-on thread guide.

Stitch Reference Display

Explains the stitch reference display and its recommended settings.

Stitch Definition

1 Safety 4 Thread

Describes the 4-thread safety stitch, its properties, and common applications.

2 Stretch Knit

Describes the stretch knit stitch, its characteristics, and common uses.

3 Gathering 4

Describes the gathering stitch, its features, and applications for ruffles.

4 Stretch Wrapped

Describes the stretch wrapped stitch, its properties, and use in sportswear.

Stitch Length and Differential Feed

Adjustment of Stitch Length

Guidance on selecting and adjusting the stitch length for various hems.

Adjustment of Differential Feed Ratio

How to adjust the differential feed ratio for fabric stretching or gathering.

Needle Operations

Needle Position

Explains needle positions for specific stitches and how to remove unused needles.

Needle Clamp Operations

Instructions for tilting the needle clamp for easier needle replacement and threading.

Needle Removal and Insertion

Step-by-step guide for safely removing and inserting needles into the machine.

Thread Guide and Looper Tension Lever

Changeable Thread Guide

How to adjust the changeable thread guide for 3/4 or 2 thread serging.

Lower Looper Pre-Tension Setting Lever

Lever positions for standard serging (ST) and rolled hemming (RH).

Changing to Two-thread Serging

Attaching the 2 thread converter

Steps to correctly attach the 2-thread converter for 2-thread sewing.

To remove the 2 thread converter

Steps to safely remove the 2-thread converter from the machine.

Adjustment of Needle Plate Setting Knob

(A) Standard Serging

Setting the knob for standard serging to guide the fabric edge.

(B) Rolled Hemming

Setting the knob for rolled hemming to roll the fabric edge.

Knife Operations

To Deactivate the Upper Knife

Instructions for deactivating the upper knife for specific sewing tasks.

To Activate the Upper Knife

Instructions for activating the upper knife for cutting fabric during sewing.

Adjustment of Cutting Width

Threading the Machine

Threading the Lower Looper

Threading the Upper Looper

How to thread only the Upper Looper

Threading the Needle on the Right

Threading the Needle with the Needle Threader

Threading the Needle on the Left

TEST STITCHING

Starting Sewing

Instructions for starting a test stitch and checking the thread chain.

Finishing Sewing

How to properly finish a sewing operation and create a thread chain.

Sewing Continuously

Guidance on sewing multiple fabric pieces consecutively.

How to Use Guide Lines

Explanation of guide lines on the looper cover for seam positioning.

Securing Ends

At the beginning

Methods to secure thread ends at the start of a seam to prevent unraveling.

At the end of a seam

Methods to secure thread ends at the end of a seam to prevent unraveling.

Thread Tension (4 threads)

Balanced tension

Illustrates results of balanced tension settings for 4-thread sewing.

Thread tension adjustment

How to adjust the thread tension dials for optimal sewing results.

Left needle thread tension is too loose

Troubleshooting for loose left needle thread tension, with remedy.

Right needle thread tension is too loose

Troubleshooting for loose right needle thread tension, with remedy.

Thread Tension (4 threads)

Looper thread tension is out of balance (1)

Troubleshooting unbalanced looper thread tension (tight lower, loose upper).

Looper thread tension is out of balance (2)

Troubleshooting unbalanced looper thread tension (tight upper, loose lower).

3-Thread Serging

Using the needle on the right only

Threading instructions for 3-thread serging with the right needle.

Using the needle on the left only

Threading instructions for 3-thread serging with the left needle.

Thread Tension (3 threads)

Balanced tension

Illustrates results of balanced tension settings for 3-thread sewing.

Thread tension adjustment

How to adjust the thread tension dials for optimal sewing results.

Needle thread tension is too loose

Troubleshooting for loose needle thread tension, with remedy.

Looper thread tension is out of balance (1)

Troubleshooting unbalanced looper thread tension (tight lower, loose upper).

Looper thread tension is out of balance (2)

Troubleshooting unbalanced looper thread tension (tight upper, loose lower).

2-Thread Serging

Using the needle on the right only

Threading instructions for 2-thread serging with the right needle.

Using the needle on the left only

Threading instructions for 2-thread serging with the left needle.

Thread Tension (2 threads)

Correct tension

Illustrates results of correct tension settings for 2-thread sewing.

Thread tension adjustment

How to adjust the thread tension dials for optimal sewing results.

Needle/Lower looper thread tension is out of balance (1)

Troubleshooting unbalanced needle/lower looper tension (tight lower, loose needle).

Thread Tension (2 threads)

Needle/Lower looper thread tension is out of balance (2)

Troubleshooting unbalanced needle/lower looper tension (tight needle, loose lower).

Balanced tension for rolled hem 2

Balanced tension settings and adjustments for the rolled hem 2 stitch.

Thread Tension for Rolled Hem 3

Balanced tension

Shows results of balanced tension settings for rolled hem 3.

Thread tension adjustment

How to set and adjust thread tension dials for rolled hem 3.

Needle thread tension is too loose

Troubleshooting for loose right needle thread tension, with remedy.

Upper looper thread tension is too loose

Troubleshooting for loose upper looper thread tension, with remedy.

Looper thread tension is out of balance

Troubleshooting unbalanced looper thread tension (tight upper, loose lower).

CARE OF YOUR MACHINE

Replacing the Upper Knife

Instructions for removing and attaching the upper knife of the machine.

Cleaning Upper Knife Area

Procedure for cleaning the area around the upper knife and feed dog.

Replacing the Light Bulb

Cleaning the Feed Dog

Oiling the Machine

Carrying the Machine

Troubleshooting

Fabric Feed and Needle Issues

Problems with fabric feeding, needle breaking, and skipped stitches.

Thread and Seam Quality Issues

Problems with thread breakage, seam neatness, and puckering.

Machine Operation and Cutting Issues

Troubleshooting for machine not operating or improper fabric cutting.

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