Table of Contents
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Table of Contents
Related Manuals for Siruba HSO-747D
Summary of Contents for Siruba HSO-747D
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Page 2: Safety Instructions
Safety instructions Warning against injuries and Like any other electrical device, a overlock machine material damages: can cause serious, even life-threatening injuries.To avoid this, and in order to work safely: According to legislation, you as the user of an • Before initial use of your overlock machine, read electrical appliance are responsible for preventing these operating instructions thoroughly. -
Page 3: For Your Safety
INTRODUCTION THANK YOU FOR CHOOSING OUR OVERLOCK MACHINE This overlock machine can stitch dependable seams on all kinds of fabric, both light and heavy, including cotton, wool, rayon, tricot, jersey, and knits. You do not need a special table for this portable machine. We suggest that you read this instruction manual carefully before you start to operate the machine. -
Page 4: Table Of Contents
TABLE OF CONTENTS NAME OF MAIN COMPONENTS ....................4-5 ACCESSORIES ..........................5 SETTING UP YOUR MACHINE..................... 6-8 The position of thread pole ....................6 Cone holders ........................6 Spool caps ...........................6 Connecting the foot control ....................7 Controlling sewing speed.....................7 Safety switch........................7 USING THE MACHINE ........................8 Hand wheel ..........................8 Front cover...........................8 Free arm ..........................8... -
Page 5: Name Of Main Components
NAME OF MAIN COMPONENTS 1. Thread pole 2. Lower looper thread tension dial 3. Spool pin 4. Spool holder 5. Handwheel 6. Base 7. Machine socket 8. Power switch 9. Front cover 10. Support bed 11. Free arm 12. Needle plate 13. -
Page 6: Accessories
1. Upper looper 2. Lower looper 3. Free arm 4. Lower knife 5. Cutting width adjustment knob 6. Presser foot 7. Upper knife ACCESSORIES 1. Tweezers: SP-750402002 2. Screw driver: SP-750406006 3. ＃14 Needles: SP-301244206 ＃11 Needles: SP-301407209 4. Machine cover: SP-750405005 5. -
Page 7: Setting Up Your Machine
SETTING UP YOUR MACHINE Set your Overlock machine on a sturdy flat surface. Positioning catches [ THE POSITION OF THREAD POLE ] Pull up thread pole to its highest point before threading. Turn the thread pole so the thread guides come right above the spool pins. -
Page 8: Connecting The Foot Control
[ CONNECTING THE FOOT CONTROL ] Push foot control plug into the machine socket and then into main socket. Turn on the power switch. This power switch controls both the machine power and sewing light. Machine socket Power supply plug Power switch Machine plug Power supply... -
Page 9: Using The Machine
USING THE MACHINE [ HAND WHEEL ] Always turn handwheel toward you, i.e. the same direction as on a household sewing machine. [ FRONT COVER ] To open front cover, slide the hollow to the right as far as it will go then pull front cover toward you. -
Page 10: Looper Threading
LOOPER THREADING Warning: Before contriving please adjust main control switch to (OFF). Correct threading is important otherwise uneven stitches or thread breakage may result. A convenient threading chart is placed on the front panel inside the front cover. In addition, each thread guide is colored for threading indication. -
Page 11: Needle Threading
NEEDLE THREADING 5. Turn the hand wheel toward you until needles are fully raised. 6. Pass the right and left needle threads as illustrated. Important: The thread must lie correctly ○ between the two discs inside the tension dials. Pass through the needle eyes from front to back as illustrated. -
Page 12: Trial Sewing
TRIAL SEWING When the overlock has been threaded for the first time or re-threaded because of thread breakage during sewing, start sewing in the following manner. Holding the end of threads between your left finger tips, turn the handwheel slowly toward you two or three times and check the thread chain. -
Page 13: Adjusting Thread Tensions
ADJUSTING THREAD TENSIONS Thread tensions will vary according to the type and thickness of both thread and fabric. Adjust the thread tension of the machine accordingly while checking the seam. Thread tension: Turn dial toward smaller numbers, tension becomes loose. Turn dial toward larger numbers, tension becomes tight. -
Page 14: Adjusting The Needle Thread Tensions
It is necessary to adjust the thread tension for the seams shown below. [ ADJUSTING THE NEEDLE THREAD TENSIONS ] The left needle thread tension is too loose. The right needle thread tension is too loose. Back side Back side Front side Front side Tighten the left needle thread tension. -
Page 15: Machine Adjustment Chart
MACHINE ADJUSTMENT CHART The best tension for one fabric may not be correct for another. The required tensions depend upon stiffness and thickness of fabric, thread size and type. If necessary, readjust referring to the chart below. Fabrics Threads Needle Stitch length Standard Setting Light-weight... -
Page 16: Changing The Thread
CHANGING THE THREAD (TYING ON) It is simple to change the thread in the following manner. Cut the thread above the spool pin, and knot ends of old and new threads together. Set the tension dials to "O" and raise the presser foot. -
Page 17: Adjustment Of Stitich Length
ADJUSTMENT OF STITCH LENGTH There are nine setting adjustments which can be made from 1.0 to 5.0 mm. Most overlock work is done with a basic stitch length setting of 2.5-3.5 mm. Stitch length adjustment knob (lnner dial) [ STITCH LENGTH SETTING ] Stitches Stitch length Regular seaming... -
Page 18: Cutting Width
CUTTING WIDTH The proper cutting width differs with the type of fabric. Check the seams each time, and adjust the cutting width as follows. 1. Turn the hand wheel toward you until the needles are at the lowest position. 2. Open the front cover and free arm. 3. -
Page 19: Changing The Needle
CHANGING THE NEEDLE Turn the power switch to "OFF" before Hexagon wrench key changing the needles. Do not use any needle which is bent or blunt. 1. Turn the hand wheel toward you until the needles are fully raised. 2. Open the front cover and lower the presser foot. -
Page 20: Replacing The Cutters
REPLACING THE CUTTERS Turn the power switch to "OFF" before replacing the cutter blades. The lower cutter is made of special material and does not usually need to be replaced. However, should it become damaged, it can be replaced by your local dealer. To replace the upper cutter when it becomes dull : 1. -
Page 21: Three Thread Narrow And Wide Overlock Stitch
THREE THREAD NARROW AND WIDE OVERLOCK STITCH This machine is a 3/4 thread convertible overlock. Hexagon wrench key Remove either the right or left needle. Your machine is now ready for use as a 3-thread overlock. Refer to "CHANGING THE NEEDLE". 4 mm (0.16”) Using the needle on the right only, the stitch width is 4 mm (0.16"). -
Page 22: Free Arm Sewing
FREE ARM SEWING Remove the support bed as illustrated which easily converts from a flat bed to free arm. Convenient for sewing pant legs, sleeves and cuffs, etc. Free arm Support bed CONVERTIBLE PRESSER FOOT The special presser foot, is set for normal overlock with the letter N adjacent to the vertical screw at front of presser foot. -
Page 23: Rolled And Narrow Edge
ROLLED AND NARROW EDGE To carry out either of the above sewing tasks proceed as follows. (1) Refer to page 21 for special foot position setting. (2) Turn the hand wheel toward you until needles are fully raised. (3) Open front cover and remover left needle. See page 18. (4) Set stitch length between 1.0-2.0 mm. -
Page 24: Rolled Hemming
Important: If necessary, adjust the stitch length and cutting width. Threads Fabrics Rolled hemming Narrow hemming ．Georgette ．Spun polyester ．Spun polyester No. 50 - 80 No. 50 - 80 ．Lawn Needle thread ．Polyester continuous ．Polyester continuous ．Crepe-de-chine No. 50 - 80 No. -
Page 25: Differential Feed
DIFFERENTIAL FEED The differential feed prevents wavy seams in knitted fabrics and also movement between the layers of fabric. It also ensures pucker-free seams on lightweight fabrics. [ DIFFERENTIAL FEED MECHANISM ] There are two sets of feed teeth, one front and one rear. The two sets of feed teeth move independently. -
Page 26: Wavy Knits & Gathering
[ WAVY KNITS & GATHERING ] For perfectly flat seams in stretchy knit garments, the front feed teeth need to feed faster than the rear feed teeth to prevent stretching the fabric. To Gather, the front feed teeth will also need to feed faster than the rear feed teeth. -
Page 27: Accessories (Optional)
ACCESSORIES ( OPTIONAL) ELASTIC FOOT: SP-750420006 This special sewing foot is for sewing on elastic tape. In the same operation, the fabric is trimmed, serged and gathered by the constriction of the elastic tape. Preparing the machine Differential feed setting: Set at “N”... -
Page 28: Blind Hem/Lace Foot
BLIND HEM/LACE FOOT: SP-750419002 One foot for both blind hem and lace sewing. BLIND HEM: The hem is trimmed, serged and sewn in one operation. LACE: For sewing lace or borders together or onto a workpiece. Preparing the machine Differential feed setting: Set at “N”... -
Page 29: Cording Foot
CORDING FOOT: SP-750438007 This special sewing foot is used for sewing a cording tape between two layers of fabric in one operation. Preparing the machine Differential feed setting: Set at “N” position Stitch length: 3 to 4 Needle: Two needles or left one Thread tension: Standard setting 1. -
Page 30: Shirring Foot
4. Place top fabric layer (2) in opening (3) flush with the bottom layer (face side to face side) and insert up to stop (4). 5 Lower the sewing foot. 6 Make a sewing test. Please refer to SIRUBA website http://www.siruba.com for Option Attachment. - 29 -... -
Page 31: Trouble Shooting Guide
TROUBLE SHOOTING GUIDE Check items below before calling for service. Problem Cause Corrective action Page 1. Needles are bent, blunt or 1. Replace with new needles. points are damaged. 2. Needles not inserted 2. Insert the needles correctly to Needles break correctly. -
Page 32: Cleaning And Lubricating
CLEANING AND LUBRICATING To keep your machine running smoothly ; it is necessary to clean using the brush from the accessory box now and then. This machine requires very little lubrication as the main components are made of special materials. Occassionally, lubricate only the points illustrated.