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Brother S-7220B Basic Operation Manual

Single needle direct drive needle feed lock stitcher with thread trimmer
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Table of Contents
S-7220B
SINGLE NEEDLE DIRECT DRIVE NEEDLE FEED LOCK STITCHER
WITH THREAD TRIMMER
Please read this manual before using the machine.
Please keep this manual within easy reach for quick reference.
Basic Operation Manual
This
basic
operation
operations including sewing machine operations.
For cleaning, standard adjustments and more details,
please refer to the instruction manual contained in
the Document CD.
manual
describes
basic

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  Also See for Brother S-7220B

Brother S-7220B Manual De Instrucciones
Brother S-7220B Manual De Instrucciones 74 pages
Brother S-7220B Instruction Manual
Brother S-7220B Instruction Manual 74 pages
Brother S-7220B Instruction Manual
Brother S-7220B Instruction Manual 72 pages

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  Summary of Contents for Brother S-7220B

  • Page 1 S-7220B Basic Operation Manual SINGLE NEEDLE DIRECT DRIVE NEEDLE FEED LOCK STITCHER WITH THREAD TRIMMER Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. This basic operation manual describes basic operations including sewing machine operations.
  • Page 2 Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety instructions and the explanations given in the instruction manual. With industrial sewing machines, it is normal to carry out work while positioned directly in front of moving parts such as the needle and thread take-up, and consequently there is always a danger of injury that can be caused by these parts.

  • Page 3: Safety Instructions

    ) indicates something that you must do. The picture inside the circle indicates the · · · · · nature of the thing that must be done. (For example, the symbol at left means “you must make the ground connection”.) S-7220B...
  • Page 4 Contact your Brother dealer or a qualified shocks could occur. electrician for any electrical work that may need to be done.

  • Page 5: Maintenance And Inspection

    If only one hand is used, the weight of the machine Ask your Brother dealer or a qualified electrician to head may cause your hand to slip, and your hand carry out any maintenance and inspection of the may get caught.
  • Page 6 Please follow the instructions on the labels at all times when using the machine. If the labels have been removed or are difficult to read, please contact your nearest Brother dealer. Be sure to connect the ground. If the ground connection is not...

  • Page 7: Table Of Contents

    3-4-1. Opening the control box cover..... 9 5-1. Names and functions ........16 3-4-2. Connecting the cords ......9 5-2. Sewing start and end backtack stitches....18 3-5. Test operation (Operating the treadle) ..... 12 6. SEWING ..........6-1. Sewing..............19 6-2. Backtacking ............19 Document CD ........... S-7220B...

  • Page 8: Convenient Function For Smooth Sewing

    (reverse rotation) func- tion together provide 16 mm of space underneath the presser foot. This makes it much easier to insert and remove heavy material without it getting caught on the needle. (Contact the place of purchase.) 3784M 3783M S-7220B...

  • Page 9: Names Of Major Parts

    Control box panel Knee lifter assembly Power switch (10) Oil gauge window (11) Reverse lever (12) Stitch length dial (13) Machine pulley (14) Operation panel (Models with operation panel) (15) Cotton stand Safety devices (16) Thread take-up cover (17) Finger guard S-7220B...

  • Page 10: Installation

    The machine may operate if the treadle is depressed by mistake, which could result in injury. Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done. Use both hands to hold the machine head when tilting it back or returning it to its original position.

  • Page 11: Installation

    Control box mounting hole 2090M 3-2. Installation 1. Control box (1) Control box (2) Bolts [3 pcs] (3) Nuts [3 pcs] (4) Spring washers [3 pcs] (5) Washers [3 pcs] 2. Connecting rod (6) Connecting rod (7) Nut 2091M S-7220B...

  • Page 12: Power Switch

    (1) Head cushions (left) [2 pcs] (2) Head cushions (right) [2 pcs] (3) Oil pan 3632M 5. Rubber cushions (1) Rubber cushions [2 pcs] (2) Nails [4 pcs] 6. Knee lifter complying bar (3) Knee lifter complying bar 2094M S-7220B...

  • Page 13: Machine Head

    (4) Operation panel (5) Washers [2 pcs.] (6) Spring washers [2 pcs.] (7) Screws [2 pcs.] (The washers (5), spring washers (6) and screws (7) are used to secure the side plate) 3725M 9. Sticker (Remove) (1) Sticker 2097M S-7220B...

  • Page 14: Cotton Stand

    (5) is at the desired position within a distance of 16 mm of the needle plate when the knee lifter plate (1) is fully pressed. 3. After adjustment is completed, securely tighten the nut (9). Within 16 mm 3727M S-7220B...

  • Page 15: Lubrication

    Use only the lubricating oil (Nisseki Mitsubishi Sewing Lube 10N; VG10) specified by Brother. * If this type of lubricating oil is difficult to obtain, the recommended oil to use is <Exxon Mobil Essotex SM10;...

  • Page 16: Connecting The Cords

    CAUTION Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done. Do not connect the power cord until all cords have been connected. The machine may operate if the treadle is depressed by mistake, which could result in injury.
  • Page 17 (3) using the repeat cable tie (1), otherwise vibration from the sewing machine may cause the cords become disconnected, which can cause problems with the <Securing> operation of the control box. Cords <Closing the cover> 3645M S-7220B...

  • Page 18: Other Cords

    AC power supply. NOTE: <Single-phase> <Three-phase> extension cords, otherwise machine operation problems may result. Green and yellow wire (ground wire) 2112M 4. Ground wire Ground symbol (1) Ground wire (2) Screw [With washer] (3) Screw Oil pan 2113M S-7220B...

  • Page 19: Test Operation (Operating The Treadle)

    (1) is returned to the neutral position (A). (when needle down stopping has been set.) 4. If the treadle (1) is pressed to position (D), thread trimming is carried out and the needle then rises above the needle plate and stops. 2117M S-7220B...

  • Page 20: Preparation Before Sewing

    * There is an anti-spin spring (3) inside the bobbin case. The anti-spin spring (3) prevents the bobbin from racing at times such as during thread trimming. * Use bobbins (2) made of light alloy as specified by BROTHER. 3734M For thick materials 0798M 2121M S-7220B...

  • Page 21: Winding The Lower Thread

    (2), and then pull it out from the thread guide (3). 4. Check that the bobbin turns clockwise when the thread is pulled. 5. Hold the latch (4) on the bobbin case and insert the bobbin case into the rotary hook. 3736M S-7220B...

  • Page 22: Threading The Upper Thread

    Unlocked dial if the reverse lever (3) is pushed to the halfway- down position. Locked 3. Push the dial lock lever (1) down firmly to lock it. * Check that the stitch length dial (2) does not rotate. 3738M S-7220B...

  • Page 23: Using The Operation Panel (Basic Operations)

    When this key is pressed so that the indicator illuminates, the number of backtack stitches (0−99) in the A, B, C and D stitch number displays is sewn continuously. After the sewing machine sews a full cycle of stitches set by A, B, C and D, the thread is trimmed automatically. 2142M S-7220B...
  • Page 24 Lower thread counter keys These keys are used to set the initial value for the lower thread counter. 2155M (17) RESET key This key is used to return the lower thread counter to its initial value and to cancel warning conditions. 2156M S-7220B...

  • Page 25: Sewing Start And End Backtack Stitches

    • If the indicator of the thread trimming lock key is illuminated, the sewing machine will stop in the needle up position without thread trimming being carried out. 2160M S-7220B...

  • Page 26: Sewing

    2. Depress the treadle to start sewing. 3743M 6-2. Backtacking When the actuator (1) or the reverse lever (2) is pressed 3744M during sewing, the feed direction will be reversed. When it is released, the feed direction will return to normal. 3745M S-7220B...
  • Page 27 MEMO S-7220B...

  • Page 28: Document Cd

    United States and/ or other countries. Windows® and Microsoft® Internet Explorer are either registered trademarks of Microsoft Corporation in the United States and/ or other countries. http://www.brother.com/ © 2006 Brother Industries, Ltd. All Rights Reserved. S-7220B SA7436-001 E 2006.06. B (1)