2-Needle, 2/3/4-Thread Overlock Sewing Machine MO-2000QVP INSTRUCTION MANUAL IMPORTANT: Read all safety regulations carefully and understand them before using your sewing machine. Retain this instruction manual for future reference.
“IMPORTANT SAFETY INSTRUCTIONS” When using an electrical appliance, basic safety precautions should always be followed, including the following: Read all instructions before using this sewing machine. “DANGER ___ To reduce the risk of electric shock:” 1. The appliance should never be left unattended when plugged in. 2.
Congratulations on your purchase of a JUKI sewing machine. Please be sure to read safety precautions in “To use the sewing machine safely” in the Instruction Manual before use to fully understand the functions and operating procedures of the sewing ma- chine so as to use the sewing machine for a long time.
WARNING For the combination of the material and the thread and needle, in particular, refer to the explanation table in “Replacement of the needle”. If the needle or thread does not match the material used such as in the case that an extra heavy- weight material (e.g., denim) is sewn with a thin needle (#11 or higher), the needle can break re- sulting in an unexpected personal injury.
Details of the machine Details of the machine 1. Looper cover with built in knife guard 2. Looper cover opening indent 3. Cloth plate 4. Top cover 5. Thread take-up cover 6. Presser foot pressure regulating knob 7. Left needle thread tension dial 8.
Details of the machine Be sure to turn off the power Caution: switch before opening the looper cover. View with looper cover open 1. Selection lever for overlocking or roll hemming 2. Cutting width adjusting dial 3. Upper looper 4. Lower looper 5.
Details of the machine Thread stand Push the support rod firmly into the socket on the back of the machine. Raise the support rod (A) fully, turning slightly until the po- sition catches engage. Position the thread guide (B) on the thread stand so that the arrow is to the front.
Preparing the machine / Using the machine Waste collector Clip the waste collector into the opening on the looper cover. It catches the cut-off fabric as you sew, keeping your working area neat and tidy. Thread / cones / Large spools spools If large industrial spools are used, position the anti-vibra-...
Using the machine Main Power/light switch The main power/light switch is conveniently placed on the handwheel side of the machine in front of the socket. 0 = Off I = On with light Looper cover To open, press to the right with your thumb in the indent provided and tilt the cover towards you.
Using the machine Two step presser foot lifter with integrated front foot lift To raise the presser foot, lift the presser foot lever on the rear of the machine, until it engages (A). It can be raised again to the maximum height and held in this position to provide more space between presser foot and stitch plate (B).
Using the machine How to use the presser foot Use the marker on the presser foot as a guide when placing the material under the presser foot. (F) Left needle position (G) Right needle position (H) Knife position (when the lower knife adjusting knob is set at scale mark “1.5”) The knife position represents the position at which the material is cut.
Needle and thread Needles Needles must be in perfect condition. Problems can occur if needles: A are bent. B are damaged or blunt. C have hooked points. Needle and thread The needle size used depends on the thread. The needles should be in accordance with thread used. When sewing, the thread is fed through the long groove in the needle.
Adjustments and settings Stitch length It can be adjusted while sewing. The stitch length is infinitely variable from 1-4mm. Most over- lock work is done with a basic setting of 2.5mm. 注意 For roll hemming or narrow overlocking, it is best to set the dial at “1 to 1.5”.
Adjustments and settings Differential feed There are two feed dogs one front (C) and one rear (D). The two feed dogs move independently and the distance each feed dog travels during one complete movement can be adjusted. The differential feed prevents fluting or waving in knitted or stretch fabrics and movements between the layers of fabric.
Adjustments and settings Gathering Using the differential feed, a single layer of fabric can be gathered before sewing it to the garment. For example, sleeve heads and lower edges, yokes, lace edging or frills. Adjustment: • Stitch: 4-thread overlock • Differential feed: 2 •...
Threading preparations / Tips 1. Extend the retractable support rod fitted with open thread guide as far as it goes. 2. Raise the presser foot. (Tension disk opens.) 3. Open the looper cover. 4. Turn the power on. Threading sequence The thread guides can be threaded in any sequence.
Threading 4/3 Thread OL Lower looper thread, red markings Place the spool on the spool holder pin as illustrated. (1) Raise the threading changeover lever in the di- rection of the arrow. Turn the handwheel toward you until it clicks. (2) Thread the thread guide which is located just above the spool from back to front.
Threading 4/3 Thread OL Upper looper thread, purple markings Place the spool on the spool holder pin as illustrated. (1) Raise the threading changeover lever in the di- rection of the arrow. Turn the handwheel toward you until it clicks. (2) Thread the thread guide which is located just above the spool from back to front.
Threading 4/3 Thread OL Right-hand needle, green markings Switch the machine off (power switch”0”) Place the spool on the spool holder pin as illustrated. (1) Thread the thread guide which is located just above the spool from back to front. (2) Thread the thread guide No.1.
Threading 4/3 Thread OL Left-hand needle, beige markings Switch the machine off (power switch”0”) Place the spool on the spool holder pin as illustrated. (1) Thread the thread guide which is located just above the spool from back to front. (2) Thread the thread guide No.1 (3) Route the thread in the groove.
Threading 4/3 Thread OL How to use the looper threader To thread woolly thread or any thread that cannot pass smoothly through the threading holes, it is recommended either to use the “looper threader” supplied in the accessory bag, or to prepare an ap- proximately 30 cm long spun thread or the like, tie it at the end of the woolly thread, pass the spun thread through the threading hole and pull it until the woolly...
Trial sewing Sewing test Use two plies of material to check that the quality of the fin- ished seam and thread tensions are correct. 1. Close the looper cover. Turn the power on. 2. Check that the upper knife is raised. 3.
Thread tension Check your trial run 4/3 Thread OL 1. Upper looper thread (purple). 2. Lower looper thread (red). 3. Right-hand needle thread (green). 4. Left-hand needle thread (beige). Perfect stitch formation is when both looper threads meet at the fabric edge. The needle threads form straight stitches for a stretchy and durable seam.
Practical Sewing - Overlock Sewing in tape The standard presser foot is equipped with a tape guide. A tape can be sewn into the shoulder or side seams of garments made from knits or stretch fab- rics to prevent stretching. •...
Practical Sewing - Overlock Wrapped overlocking with three threads For wrapped overlocking with the right needle (3 to 7 mm in width) 1. Remove the left needle. 2. Thread the upper and lower loopers in the same manner as the standard sewing (2-needle, 4-thread). For wrapped overlocking with the left needle (5 to 9 mm in width) 1.
Practical Sewing - Overlock Cover stitch with three threads (flatlock) 1. Deactivate the upper knife. 2. Use a decorative thread as the upper looper thread. (Fil- ament thread is best-suited as the needle thread and the lower looper thread. However, spun thread can also be used.) 3.
Practical Sewing - Overlock Securing thread ends at the beginning and end of sewing Overlock stitches can unravel if the threads are not secured at the beginning and end of sewing. Secure the thread ends. Securing thread ends with the overlock machine 1) Securing thread ends at the beginning of sewing 1.
Practical Sewing - Overlock In the case of securing thread ends with a wool needle: (A) Leave a 2 to 3 cm long chain-off thread at the beginning and end of sewing. Put the chain-off threads in the finished seam by means of a wool needle. In the case of securing thread ends with glue for handicraft: (B) Apply a little amount of glue for handicraft at the root of chain-off thread on the material.
LCD indication Set values of 15 different kinds of stitch can be visually checked on the LCD screen. In addition, three different set values can be added to the current set value. (Memory number) Needle position Left needle thread tension Right needle thread tension Upper looper thread tension Stitch No.
2. How to display the initial value * The initial value is the default value which has been fac- tory-set at the time of shipment. Operation Display Remarks Initial value display screen The initial value of the selected stitch type is dis- When is pressed played.
4. How to initialize the set value Operation Display Remarks Sewing type name display screen Display the stitch pattern you want to initialize. Set value display screen Edit item selection screen Initialization check screen Press while keep- held pressed. When one of them is Sewing type name display screen The set value is initialized and the screen returns to the previous screen.
5. How to use the memory number The memory number is the function for increasing the number of set value display screens. For each of 15 stitch patterns, three memory numbers can be added to the current set value at the maximum. Example) The current set value of “Stitch The current set value of “Stitch...
Stitch chart * The scale marks of the tension regulating dial listed below are just a guide. The correct adjustment differs according to the type of thread and material to be used. Roll Cut- Differ- thread Stitch hem se- Upper Thread tension ting ential...
Maintenance Cleaning and lubricating Turn off the power switch and disconnect the pow- er plug from the wall outlet before starting cleaning or lubricating the machine. As you use the sewing machine, lint is likely to accumulate in the sewing machine. It is necessary to remove the lint pe- riodically.
Trouble shooting guide Problem Cause Solution Page The machine • Looper or cloth plate cover is open. • Close the looper or the cloth plate does not sew: cover. • The main switch is not on. • Switch machine on. (Main switch to “I”) •...
Problem Cause Solution Page Thread loops • Too little fabric in the stitch. • Increase the cutting width. are too loose Motor failure • Noise is heard. • Replace the carbon brush with a new • Motor does not turn at all. one.
Technical data Stitch choice Over lock 2 needles, 2 loopers: 4 thread overlock with integrated safety seam 1 needle, 2 loopers: 3 thread overlock, flatlock roll hem 1 needle, 1 looper: 2 thread overlock, flatlock roll hem 2 needles, 1 looper: 3 thread super stretch Needle system SCHMETZ 130/705 H or JLx2 Seam width...