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Brother 681B-UG manual

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Table of contents for the manual

  • Page 1

    Brother 681B-UG[...]

  • Page 2

    CAUTION WHEN CHANGING NEEDLE, BOBBIN OR LIGHT BULB, O R WHEN SEWING MACHINE IS NOT IN USE, IT IS RECOMMENDED THAT ELECTRICAL SUPPLY IS DISCONNECTED TO AVOID ELECTRICAL HAZARDS.[...]

  • Page 3

    CONTENTS 1. Knowing Your Sewing Machine . . . . . . . . . . . . . . . . . . . . . . . 2 PRINCIPAL PARTS . . . . . . . . . . . . . . . . . . 2 ACCESSORIES . . . . . . . . . . . . . . . . . . . . . . 4 OPERATING YOUR SEWING MACHINE . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Connecting plug. . . . . . . . . . . . . . . . . 5 Controlling sew[...]

  • Page 4

    1. Knowing Your Sewing Machine Principal Parts 1. Top Cover 2. Zigzag Width Lever (See page 12) 3. Upper Thread Guide and Bobbin Winder Tension Disc 4. Front Thread Guide 5. Pressure Adjuster (See page 13) 6. Face Plate 7. Thread Tension Dial (See page 15) 8. Thread Cutter 9. Presser Foot Screw 10. Presser Foot (Zigz ag) 11. Feed Dog (See page 14) [...]

  • Page 5

    23. Motor Belt 24. Motor 25. 3-pin Socket 26. Extension table 27. Presser Foot Lifter When the presser foot is at the highest position, the tension on the upper thread is released. 28. Sew-light Switch Turn this knob in any direction to switch light on and off. -3-[...]

  • Page 6

    Accessories 1. Needles Single Needle No.14 (3 pcs.) 2. Straight Stitch Foot 3. Narrow Hemmer foot 4. Zipper Foot 5. Buttonhole Foot 6. Button Sewing Foot 7. Seam Ripper 8. Bobbin (3 pcs.) 9. Cloth Guide with Screw 10. Screw Drivers (Large & Small) 11. Oiler -4-[...]

  • Page 7

    Operating Your Sewing Machine CONNECTING PLUGS 1. First connect three-prong plug in socket. 2. Then connect electric supply plug into wall. CAUTION When changing needle, bobbin or light bulb, or when sewing machine is not use, it is recommended that electrical supply plug is disconnected to avoid electrical hazards. Place foot on control pedal as s[...]

  • Page 8

    Upper (Needle) Thread Before threading, make sure to raise presser foot and take-up lever to the highest position. Then place spool of thread on the spool. 1. Pass thread through the upper thread guide, (rear) and thread guide (front). 2. Now bring thread down and up through thread tension dial from right to left so that thread picks up thread chec[...]

  • Page 9

    Lower (Bobbin) Thread HOW TO WIND BOBBIN 1. Loosen stop motion knob by turning it toward you. 2. Place an empty bobbin on the bobbin winder pin. 4. Wind the thread a few times around the bobbin clockwise and push the bobbin toward bobbin presser. Start the machine gently. 5. Bobbin stops winding when full. 6. Push the bobbin to the left and remove [...]

  • Page 10

    HOW TO REMOVE BOBBIN CASE 1. Raise needle to its highest position. 2. Open the shuttle cover. 3. Pull and open the latch of bobbin case. 4. Pull out bobbin case from the shuttle. HOW TO THREAD AND INSERT BOBBIN CASE 1. Unwind about 8 cm (3- inches) of thread from the bobbin. Insert wound bobbin into 2. Pull trailing thread into the slot case. 3. Pu[...]

  • Page 11

    HOW TO PULL UP LOWER THREAD 1. Raise needle and presser foot to the highest point. With left hand, hold the end of upper thread and with right hand, turn balance wheel toward you until the needle moves down and up again to its highest position. 2. Now upper thread catches the lower thread in a loop. Pull upper thread toward you so that lower thread[...]

  • Page 12

    Relative Chart of Sewing Material, Needle and Thread SEWING MATERIAL NEEDLES SIZES THREAD SIZES VERY THIN Fine tricot, Fine Lace, Thin linen, Silk, Tulle, Chiffon 9 Cotton: 80~120 Synthetic Fine Mercerized Cotton LIGHT WEIGHT Organdy, Jersey, Voile, Taffeta, Synthetics, Silk Batiste 11 Cotton: 60~80 Silk: “A” Synthetic Mercerized 50 MEDIUM Cott[...]

  • Page 13

    Sew-Light To change the bulb: 1. Swing open face plate. 2. Remove bulb by turning counter- clockwise. 3. After replacement, close the face plate. NOTE: 1. Make sure new bulb is the same specification as old one. 2. Make sure to switch off the light and pull out supply plug when you replace the bulb in order to avoid electric hazards. Presser Foot T[...]

  • Page 14

    STITCH LENGTH The stitch length is regulated by turning the stitch length dial. Numerals on the dial represent the stitch length. THE HIGHER THE NUMBER, THE LONGER THE STITCH. To increase the stitch length, turn stitch length dial counter-clockwise to larger number on the dial. To decrease the stitch length, turn dial clockwise to smaller on the di[...]

  • Page 15

    PRESSURE ADJUSTER Correct pressure on presser foot is important to obtain the smooth sewing. Regulate presser according to type and thickness of the materials to be sewn. 1. To regulate the pressure, lower presser foot. 2. Push outer ring of pressure adjuster down, and inner pin will spring up to its highest position. In this position, pressure is [...]

  • Page 16

    FEED DOG Proper use of Feed Dog is necessary for correct sewing. 1. “DOWN” is used for special sewing such as darning, embroidery, etc. 2. “UP” is used for general sewing. REVERSE STITCH Push the Reverse Sewing Button in as far as it will go to sew in reverse position. Release Reverse Sewing Button and you are back to sewing in a forward po[...]

  • Page 17

    THREAD TENSIONS It is important that tension of upper and lower threads be equal to prevent puckering of material or other problems. It is recommended that a test sam ple be made before starting to sew. UPPER THREAD TENSION To regulate upper thread tension, merely turn thread tension dial with your thumb after lowering the presser foot. THE HIGHER [...]

  • Page 18

    PERFECT STITCHING Tension of upper and lower threads should be equal, just sufficiently strong to lock both threads in material. Perfect stitching appears flat with no puckering of material. INCORRECT STITCH (A) When the upper thread lies on the surface of the material by pulling the lower thread up as shown. This is caused by tight tension on the [...]

  • Page 19

    2. Straight Stitching SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. HOW TO START SEWING 1. Raise needle to its highest position and lift presser foot. 2. Place material under presser foot and position needle about one half inch (10mm) from material edge. 3. Lower presser foot. 4. For reverse sewing push Reverse Sewing button sewing is used wherev[...]

  • Page 20

    HOW TO FINISH YO UR SEWING PROJECT (REVERSE STITCHING) Reverse stitching is used to reinforce stitches near the edge of material or wherever reinforcement is needed. 1. That is done by stitching to the material edge… then stopping. 2. Push Reverse Sewing Button and stitch backwards for ½ inch (10mm) from material edge. HOW TO REMOVE FINAL SEWING[...]

  • Page 21

    3. Zigzag Stitching SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. SIMPLE ZIGZ AG STITCH Set the Stitch zigzag, sew about 1-4 to obtain simple zigzag stitch. 1. Before stitching zigzag, sew about 5-6 Straight stitches with stitch length between for reinforcement. 2. Set zigzag width lever to your desired width and commence to sew. 3. Before removi[...]

  • Page 22

    DECORATIVE STITCHES SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. Using the “SATIN STITCH” various decorative stitches are produced by using the zigzag width lever as follows: -20-[...]

  • Page 23

    4. Using Built-in Patterns TRIPLE STRETCH STITCH SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. Set Blind Stitch and Stretch Stitch Lever at as shown in illustration at left. The “Triple Stretch Stitch” is used for any stretch material such as knitted fabric, tricot, etc. This stitch is three times the strength of a regular stitch and gives el[...]

  • Page 24

    BLIND STITCH SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. SET BLIND STITCH AND STRETCH STITCH LEVER AT 1. Fold material to size of hem desired and then fold back as shown in Figure A, leaving ¼ inch (6mm) overlap at edge. 2. Sew on fold as in Figure B. 3. When material is unfolded you will have a blind stitched hem as in Figure C. NOTE: Thread [...]

  • Page 25

    5. Various Other Stitches BUTTONHOLE SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. Step A: 1. Set zigzag width lever to 2. 2. Set drop feed to Up. 3. Lower presser foot and commence to sew predetermined l ength. 4. Stop m achine when th e needle is in th e materi al at the right side of row. Step B: 1. Li ft the presser foot and run material 180 [...]

  • Page 26

    MENDING SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. 1. Place reinforcement m aterial under material to be repaired. 2. Sew both edges of tear together. 3. Use satin stitch to strengthen and secure ends of tear as in illustrations. ATTACHING LACE SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. 1. Place lace under material edge letting it overlap[...]

  • Page 27

    APPLIQUÉING SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. 1. Baste cut design to the material. 2. Following the design, comm ence to sew carefully. 3. Cut away the surplus material close to the design. 4. Remove basting. CORDING SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. 1. In accordance with thickness of cord being used, set zigzag width l[...]

  • Page 28

    MONOGRAMMING, USING EMBROIDERY HOOP SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. 1. Remove presser foot. 2. Draw lettering on the right side of the mate ri al . 3. Stretch work between em broidery hoops as firmly as possible. 4. Place the work under the needle and lower presser bar. 5. Pull lower thread up through the material at starting positi[...]

  • Page 29

    EMBROIDERING, USING EMBROIDERY HOOP SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. 1. Remove presser foot. 2. Draw design on the material. 3. Use embroidery hoop as you would for monogramm ing. 4. Position the hoop under the needle and lower presser bar. 5. Pull lower thread up through material. 6. Stitch outline of design by removing embroidery h[...]

  • Page 30

    BUTTON SEWING SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. 1. Put button in place on material to be sewn. Place under presser foot. 2. Set zigzag width control to regulate distance of stitch between the holes in the button. 3. Lower presser foot and check to see that needle enters holes in button properly. 4. Slowly sew approximately 10 stitches[...]

  • Page 31

    DARNING SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. 1. Place portion to be darned under the presser foot. 2. Lower presser foot. 3. Sew alternately drawing the work gently away from you and pulling it toward you. 4. Repeat this motion until the portion to be darned is filled with parallel lines of stitching. CLOTH GUIDE The cloth guide helps to[...]

  • Page 32

    NARROW HEMMING By using narrow hemmer foot a neat scroll type hem is made. SET YOUR SEWING MACHINE AS PER FOLLOWING TABLE. 1. Cut top corner of the material about 0.3cm (1/8”). 2. Place material wrong side up and insert cut off angel into foot opening. 3. Pull material by hand from the back of the presser foot. Make sure the needle is positioned [...]

  • Page 33

    ZIPPER INSERTION Zipper foot is used to sew various types of zippers and can easily be positioned to right or left side of needle. When zipper is being sewn at left side of needle, position zipper foot by loosening thumb screw and sliding zipper foot to right. When zipper is being sewn at right side of needle, position zipper foot by loosening thum[...]

  • Page 34

    6. Maintenance and Care of Your Machine Cleaning The sliding parts of the shuttle race body and the hook mu st be cleaned regularly so that lint does not accumulate. REMOVING SHUTTLE HOOK 1. Raise needle to its highest position. 2. Open the shuttle race cover. 3. Take out bobbin case. 4. Push latch levers down and remove retaining ring. 5. Remove h[...]

  • Page 35

    Oiling For smooth and silent operation the moving parts of the machine should be oiled periodically. (see diagram below) OIL ONCE A WEEK IF MACHINE IS USED MORE THAN ONE HOUR. PER DAY. IF MACHINE IS USED MORE OFTEN OIL EVERY DAY. NOTE: If machine has not been used for along period of tim e, oil tends to coagulate and operation of machine will not b[...]

  • Page 36

    Check List for Better Sewing Check this list if you are having the following problems: IF MATERIAL IS NOT FED 1. Feed dog is down . 2. Stop motion knob is loose. 3. Stitch length regulator is at 0. IF NEEDLE BREAKS 1. Needle is inserted incorrectly. 2. Needle clamp screw is loose. 3. Bent needle is used. 4. Upper threading is not correct. 5. Upper [...]

  • Page 37

    M E M O ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ________________________[...]

  • Page 38

    M E M O ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ____________________________________________________ ________________________[...]

  • Page 39

    Replacement Sewing Manuals From http://www.mastersewusa.com Thank you for your purchase. We try to scan origin al manuals at the high est DPI settings without compromising the readability of the ma nual. We also have a technical team that has been working over a ye ar retyping hard to find and in poor shape manuals from many di fferent manufacturer[...]