ELNA 664 Pro Instruction Manual
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Also See for 664 Pro:
- Brochure (2 pages) ,
- Reference manual (14 pages) ,
- Instruction manual (98 pages)
Table of Contents
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Table of Contents
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Summary of Contents for ELNA 664 Pro
- Page 1 664 Pro | Instruction Manual |...
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Page 3: Important Safety Instructions
IMPORTANT SAFETY INSTRUCTIONS This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety. Children should be supervised to ensure that they do not play with this overlock machine. - Page 4 Do’s and Don’ts 1. Always be aware of the up-and-down movement of the needle and do not turn your attention away from the machine while it is running. 2. When leaving the sewing machine unattended, the main switch of the machine must be switched off or the plug must be removed from the socket-outlet.
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Page 5: Table Of Contents
TABLE OF CONTENTS PREPARATION CARE OF YOUR MACHINE Names of Parts ............4 Replacing the Upper Knife ........44 Attaching the Waste Chip Box ........ 5 Cleaning Upper Knife Area ........44 Accessory Box ............5 Replacing the Light Bulb ........45 Standard Accessories .......... -
Page 6: Preparation
PREPARATION Names of Parts Left needle thread tension dial Right needle thread tension dial Upper looper thread tension dial Lower looper thread tension dial Side cover Looper cover Handwheel Power switch Machine socket Differential feed dial Stitch length dial Spool stand Spool holder Spool pin Thread guide bar... -
Page 7: Attaching The Waste Chip Box
Attaching the Waste Chip Box Hang the waste chip box on the looper cover with the hooks. Waste chip box Looper cover Hook Accessory Box The accessories can be stored in the accessory box. Standard Accessories Screwdriver (Large) Screwdriver (Small) Tweezers Set of needles No.11, No.14 Nets... -
Page 8: Connecting The Machine To The Power Supply
Connecting the Machine to the Power Supply Turn off the power switch, and connect the machine plug to the machine socket. Connect the power supply plug to your power supply. Turn on the power switch. Power switch Machine plug Machine socket Power supply plug Power supply Speed controller... -
Page 9: How To Turn The Handwheel
How to Turn the Handwheel Always turn the handwheel toward you (Counterclockwise). Handwheel Opening and Closing the Side Cover To open: Push the side cover to the left. To close: Push the side cover to the right. Side cover Opening and Closing the Looper Cover To open: (A) While pushing with the thumb to the right as far as it will go, pull the looper cover toward you. -
Page 10: Raising Or Lowering The Presser Foot
Raising or Lowering the Presser Foot By raising or lowering the presser foot lifter, the presser foot goes up or down. * While in operation, keep the presser foot lowered except when threading the machine or test running without threads. Thread tension will be released when the presser foot lifter is raised. -
Page 11: The Position Of Thread Guide Bar
The Position of Thread Guide Bar Pull the thread guide bar up as far as it will go. Turn the thread guide bar so that the thread guides are right above the spool pins. Thread guide bar Thread guide Stoppers Spool pin * Make sure the two stoppers on the thread guide shaft, as shown, are set in at the correct position. -
Page 12: Accessories For Decorative Threads
Accessories For Decorative Threads There are many decorative threads available for overlock use. Make sure you choose threads and yarns that smoothly pass through the looper or needle. Never use a thread that breaks easily if you pull on it. Do not use fuzzy (ex. mohair yarn) or uneven threads that can catch on thread guides. -
Page 13: Stitch Definition
Stitch Definition z z z z z Safety 4 Thread An overlock stitch that has 2 needle threads, a lower and upper looper thread is a safety 4 thread. The stitch stretches without breaking. The second needle thread reinforces the durability and strength of the stitch, but the stitch retains its elasticity. - Page 14 b b b b b 3 Thread Wide Three threads lock together on the fabric edge forming a balanced stitch. The overlock stitch is suitable for medium to heavyweight fabrics. Common Uses 1. Construction method for knitwear. 2. Edge finish on single layer of fabric. n n n n n 3 Thread The same characteristics as the 3 Thread Wide.
- Page 15 ..Rolled Hem 2 The needle and lower looper threads form a stitch that rolls the fabric before encasing the edge. Common Uses 1. Since there are only 2 threads, the result is lighter and finer than Rolled Hem 3. This is an advantage for lightweight fabrics like chiffon and bridal veiling edging.
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Page 16: Adjustment Of Stitch Length
Adjustment of Stitch Length To select stitch length, turn the dial. The larger the number, the longer the stitch. The stitch length can be adjusted from 1 to 5 mm. Position “R” is for rolled and narrow hemmings. Stitch length dial Setting mark Adjustment of Differential Feed Ratio The differential feed ratio can be altered by turning... -
Page 17: Needle Position
Needle Position The needles to be used for a specific stitch are indicated by icons above the needle position marks. Remove a needle if not to be used. Tilting up the needle clamp The needle clamp can be tilted up for easy needle replacement and threading. -
Page 18: Lower Looper Pre-Tension Setting Lever
Changeable Thread Guide 3/4 thread serging Push up the guide for serging with 3 or 4 threads. Changeable thread guide 2 thread serging Push down the guide for serging with 2 threads. Lower Looper Pre-Tension Setting Lever Standard serging (ST) Push down the lever for standard serging with 2, 3 or 4 threads Lower looper pre-tension setting lever... -
Page 19: Changing To Two-Thread Serging
Changing to Two-thread Serging Attach the spreader to the upper looper for 2-thread sewing. * In case of two-thread serging, use one needle thread and the lower looper thread. Remove other threads. To attach the spreader Put the tip of the spreader into the hole on the upper looper, and slide the spreader down into the holder. -
Page 20: Adjustment Of Needle Plate Setting Knob
Adjustment of Needle Plate Setting Knob (Changing to Standard Serging or Rolled Hemming) The needle plate setting knob is connected with the chaining finger. The chaining finger will slide back and forth when you set the needle plate setting knob at "S" or "R". 1. -
Page 21: To Deactivate The Upper Knife
To Deactivate the Upper Knife 1. Turn off the power switch and unplug the machine. 2. Open the looper cover and side cover. 3. Turn the upper knife release knob toward you while pushing it to the right, then guide the hole on the upper knife to the pin to lock the upper knife in the down position. -
Page 22: Adjustment Of Cutting Width
Adjustment of Cutting Width When cutting width is too narrow or too wide against seam width, adjust it as follows. Turn the cutting width adjusting dial to move the lower knife to the desired position. * The lower knife position can be set at 3–5 mm from the right needle position. -
Page 23: Threading The Machine
Threading the Machine The illustration shows the machine threaded with four threads. Lower looper thread Upper looper thread Right needle thread Left needle thread Thread guide Thread guide plate Threading chart The machine is pre-threaded to make threading easier. Tie the end of a new thread to one of the pre-set threads, and pull it to draw the new thread through the machine, following the steps below. - Page 24 • If one of the threads is broken, follow the re-threading procedure as follows: * Turn off the power switch and unplug the machine. 1. Raise the presser foot and pull the thread chain out to the back of the presser foot, and cut the chain to separate each of the threads.
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Page 25: Threading The Lower Looper
Threading the Lower Looper Open the looper cover. Place the spool of thread on the right side spool pin. * The points to thread for lower looper are marked in green. * A convenient threading chart is placed on the machine body inside the looper cover. - Page 26 4. Hook the thread on the corner , and then pass the thread through the looper thread guide. 5. Pass the thread through the changeable thread guide. 6. Pass the thread through the looper thread take-up lever (lower). 7. Pass the thread through the lower looper thread guide (1).
- Page 27 10. Move the lower looper to its rightmost position by turning the handwheel, and draw the thread with a pair of tweezers through the hole on the lower looper 10 cm (4˝) or more. * Make sure the needle threads are not tangled on the lower looper.
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Page 28: Threading The Upper Looper
Threading the Upper Looper Place a spool of thread on the spool pin second from the right. * The points to thread for upper looper are marked in yellow. * A convenient threading chart is placed on the machine body inside the looper cover. 1. - Page 29 4. Hook the thread on the corner , and then pass the thread through the looper thread guide. Looper thread guide 5. Pass the thread through the looper thread take-up lever (upper). Looper thread take-up lever (upper) 6. Pass the thread through upper looper thread guide.
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Page 30: Threading The Needle On The Right
Threading the Needle on the Right Place the spool of thread on the spool pin second from the left. * The points to thread for needle on the right are marked in red. * A convenient threading chart is placed on the machine body inside the looper cover. - Page 31 4. Pass the thread under the thread guides r and t from the right to the left. 5. Slip the thread into the slit y of the take-up lever cover from the bottom. Pull the thread up and hang it up over the third thread guide u.
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Page 32: Threading The Needle With The Needle Threader
Threading the Needle with the Needle Threader The needle clamp can be tilted up for easy threading (see page 15). When rethreading, remove the thread from the needle eye before tilting up the needle clamp. IMPORTANT: When tilting up the needle clamp, be sure to: –... -
Page 33: Threading The Needle On The Left
Threading the Needle on the Left Place the spool of thread on the left side spool pin. * The points to thread for needle on the left are marked in blue. * A convenient threading chart is placed on the machine body inside the looper cover. - Page 34 4. Pass the thread under the thread guide r from the right to the left. 5. Slip the thread into the slit t of the take-up lever cover from the bottom. Pull the thread up and hang it up over the third thread guide y.
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Page 35: Test Stitching Starting Sewing
TEST STITCHING Starting Sewing Insert the fabric under the toe of the foot (It is not necessary to raise the foot.) Turn the handwheel gently toward you a couple of turns and check the thread chain. Then start sewing slowly. The fabric will automatically be fed. Guide the fabric in the desired direction. -
Page 36: Securing Ends
Securing Ends To avoid unravelling, it is necessary to leave a thread chain about 5 cm (2˝) long at the beginning and at the end of a seam. To secure the beginning and end of a seam, choose one of the following methods. -
Page 37: Thread Tension (4 Threads)
Thread Tension (4 threads) Balanced tension The illustration at left shows sewing results with balanced tension settings. However, adjusting the thread tension may be required depending upon the type of fabric and thread being used. Wrong side of fabric Right side of fabric Right needle thread Left needle thread Upper looper thread... - Page 38 Looper thread tension is out of balance (1) The illustration shows sewing results when the lower looper thread tension is too tight and/or upper looper thread tension is too loose. Remedy: Loosen lower looper thread tension and/or tighten upper looper thread tension. Wrong side of fabric Right side of fabric Right needle thread...
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Page 39: 3-Thread Serging
3-Thread Serging Using the needle on the right only (for stitch numbers 6-9) When you use the right needle, the standard sewing width is 3.5 mm. The illustration on the left shows you how to thread the needle. Note: Tighten the needle clamp screw on the side that is not being used to prevent losing the screw. -
Page 40: Thread Tension (3 Threads)
Thread Tension (3 threads) Balanced tension The illustration at left shows sewing results with balanced tension settings. However, adjusting the thread tension may be required depending on the type of fabric and thread being used. Wrong side of fabric Right side of fabric Right or left needle thread Upper looper thread Lower looper thread... -
Page 41: 2-Thread Serging
2-Thread Serging Using the needle on the right only (for Rolled hem 2): 3.5 mm width When you use the right needle, the standard sewing width is 3.5 mm. The illustration on the left shows you how to thread the needle. Note: Tighten the needle clamp screw on the side that is not being used to prevent losing the screw. -
Page 42: Thread Tension (2 Threads)
Thread Tension (2 threads) Correct tension The illustration at left shows sewing results with correct tension settings. However, adjusting the thread tension may be required depending on the type of fabric and thread being used. Wrong side of fabric Right side of fabric Right or left needle thread Lower looper thread Thread tension adjustment... - Page 43 Needle/Lower looper thread tension is out of balance (2) The illustration shows sewing results when the needle thread tension is too tight and/or lower looper thread tension is too loose. Remedy: Loosen needle thread tension and/or tighten lower looper thread tension. Left needle thread tension dial Right needle thread tension dial Lower looper thread tension dial...
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Page 44: Thread Tension For Rolled Hem 3
Thread Tension for Rolled Hem 3 Balanced tension The illustration at left shows sewing results with balanced tension settings. Adjusting the thread tension may be required depending on the type of fabric and thread being used. Wrong side of fabric Right side of fabric Right needle thread Upper looper thread... - Page 45 Rolled hem 3 Pull the end of thread chain to the back lightly in the beginning and end of sewing. Fabric Thread chain For narrow hem 3 Balanced tension The illustration at left shows sewing results with balanced tension settings. Wrong side of fabric Right side of fabric Right needle thread...
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Page 46: Care Of Your Machine
CARE OF YOUR MACHINE CAUTION: Turn the power switch off and unplug the machine before cleaning or maintenance. Replacing the Upper Knife To remove: 1. Turn off the power switch and unplug the machine. 2. Open the looper cover and side cover. 3. -
Page 47: Replacing The Light Bulb
Replacing the Light Bulb 1. Turn off the power switch and unplug the machine. 2. Remove the face plate set screw, and remove the face plate. Face plate Setscrews To remove: Push and twist to the left. To attach: Push and twist to the right. Reattach the face plate, and retighten the face plate setscrews. -
Page 48: Oiling The Machine
Oiling the Machine Apply a few drops of fine quality sewing machine oil to the parts indicated with arrows. It is recommended to apply oil once a week in normal use, once in ten hours in continuous use. * Open the side cover and apply oil. * Open the looper cover and apply oil. -
Page 49: Troubleshooting
Troubleshooting Reference Condition Cause See page 45. The fabric is not 1. The feed dog is packed with lint. Lower the presser foot. being fed 2. The presser foot has been raised. smoothly. See page 15. The needle 1. The needle is incorrectly inserted. Replace the needle. - Page 50 Elna International Corp. SA - Geneva-Switzerland www.elna.com 798-800-116 (EN)