S-7200C Basic Operation Manual SINGLE NEEDLE DIRECT DRIVE STRAIGHT 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. For cleaning, standard adjustments and more details, please refer to the instruction manual contained in the Document CD.
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.
SAFETY INSTRUCTIONS [1] Safety indications and their meanings This instruction manual and the indications and symbols that are used on the machine itself are provided in order to ensure safe operation of this machine and to prevent accidents and injury to yourself or other people. The meanings of these indications and symbols are given below. Indications DANGER The instructions which follow this term indicate situations where failure to follow the instructions will result in death or serious injury.
[2] Notes on safety DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the cover of the control box. Touching areas where high voltages are present can result in severe injury. CAUTION Environmental requirements Use the sewing machine in an area which is free from sources of strong electrical noise such as electrical line noise or static electric noise.
CAUTION Sewing This sewing machine should only be used by operators who have received the necessary training in safe use beforehand. Attach all safety devices before using the sewing machine. If the machine is used without these devices attached, injury may result. The sewing machine should not be used for any applications other than sewing. Do not touch any of the moving parts or press any objects against the machine while sewing, as this may result in personal injury or damage to the machine.
[3] Warning labels The following warning labels appear on the sewing machine. 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. 1 2 Touching areas where high voltages are present can result in severe injury. Turn off the power before opening the cover.
CONTENTS 1. CONVENIENT FUNCTION FOR SMOOTH SEWING ............................... 1 5. USING THE G50 OPERATION PANEL (BASIC OPERATIONS) ........................ 20 2. NAMES OF MAJOR PARTS................. 2 5-1. Names and functions ........................................20 5-2. Sewing start and end backtack stitches............22 3. INSTALLATION .................................... 3 3-1. Table processing diagram ................................ 4 3-2. Installation.....................................
1. CONVENIENT FUNCTION FOR SMOOTH SEWING 1. CONVENIENT FUNCTION FOR SMOOTH SEWING Thread take-up amount can be adjusted Lower thread counter (When using the G50 operation panel) INSTRUCTION MANUAL CD 10-4. Adjusting the thread take-up amount INSTRUCTION MANUAL CD 5-7. Using the lower thread counter The graphic display lights and a buzzer sounds before the bobbin thread runs out, so that the operator can concentrate on the job with confidence.
2. NAMES OF MAJOR PARTS 2.
3. INSTALLATION 3. INSTALLATION CAUTION Machine installation should only be carried out by a qualified technician. Contact your Brother dealer or a qualified electrician for any electrical work that may need to be done. The sewing machine weighs more than 45 kg. The installation should be carried out by two or more people. Secure the table so that it will not move when tilting back the machine head. If the table moves, it may crush your feet or cause other injuries.
3. INSTALLATION 3-1. Table processing diagram The top of the table should be 40 mm in thickness and should be strong enough to hold the weight and with-stand the vibration of the sewing machine. Drill holes as indicated in the illustration below. Cotton stand hole Cord hole Head rest hole Control box mounting hole 4126M 3-2. Installation 1. Control box (1) (2) (3) (4) (5) Control box Bolts [3 pcs] Nuts [3 pcs] Spring washers [3 pcs] Washers [3 pcs] 2.
3. INSTALLATION 3. Oil pan (1) Head cushions (left) [2 pcs] (2) Head cushions (right) [2 pcs] (3) Oil pan 4128M 4. Rubber cushions (1) Rubber cushions [2 pcs] (2) Nails [4 pcs] 5. Knee lifter complying bar (3) Knee lifter complying bar 2094M 6. Machine head (1) Hinges [2 pcs] (2) Machine head (3) Head rest NOTE: Tap the head rest (3) securely into the table hole. If the head rest (3) is not pushed in as far as it will go, the machine head will not be sufficiently stable when it is tilted back.
3. INSTALLATION 7. Operation panel (1) Operation panel (2) Screws [2 pcs] (Use for tightening rear cover) 4306M 8. Sticker (Remove) (1) Sticker 4131M 9. Cotton stand (1) Cotton stand NOTE: Securely tighten the nut (4) so that the two rubber cushions (2) and the washer (3) are securely clamped and so that the cotton stand (1) does not move.
3. INSTALLATION 10. Knee lifter plate (1) Knee lifter plate (2) Bolt * Loosen the bolt (3) and the bolt (4), and then adjust the position of the knee lifter plate (1) so that it is easy to use. 4132M 1. Turn the machine pulley so that the feed dog is below the top of the needle plate. 2. Lower the presser foot (6) by using the lifting lever (5). 4133M 4134M 3. Loosen the nut (7). 4.
3. INSTALLATION 3-3. Lubrication (-[]0[], []3[] specifications) * If the sewing machine is -[]5[] specifications, it is a complete dry type machine, and so no lubrication is necessary. CAUTION Do not connect the power cord until lubrication has been completed, otherwise the machine may operate if the treadle is depressed by mistake, which could result in injury.
3. INSTALLATION 3-4. Connecting the cords DANGER Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet before opening the cover of the control box. Touching areas where high voltages are present can result in severe injury. 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.
3. INSTALLATION (1) (2) (3) (4) (5) 6-pin head detector unit connector 12-pin operation panel connector 10-pin resolver connector 14-pin machine connector 4-pin motor connector Raise the tab (6). Lower the tab (6). Push in securely until the tabs (6) engage. 4139M 4140M 2. Binding the cords (1) Repeat cable tie NOTE: Bind the cords in such a way that the connector does not get pulled out.
3. INSTALLATION 3. Ground wire (1) (2) (3) (4) Ground wire Washer Spring washer Screw Oil pan Ground symbol Ground symbol 4142M 4. Other cords 4143M Connect cords that match the voltage specifications. < Europe specifications > (1) (2) (3) (4) Filter box Screws [4 pcs.] Staples [7 pcs.] Power cord 1. Attach an appropriate plug to the power cord (4). (The green and yellow wire is the ground wire.) 2. Insert the power plug into a properly-grounded electrical outlet.
3. INSTALLATION <200 V system > (1) Power switch (2) Screws [2 pcs] Operator 4145M 4146M (3) 3-pin power supply connector (4) Power cord (5) Staples [5 pcs.] 1. Attach an appropriate plug to the power cord (4). (The green and yellow wire is the ground wire.) 2. Insert the power plug into a properly-grounded electrical outlet. NOTE: Take care when tapping in the staples (5) to make sure that they do not pierce the cords. Do not use extension cords, otherwise machine operation problems may result.
3. INSTALLATION <100 V/400 V system > (1) Power switch (2) Screws [2 pcs] Operator 4145M 4148M (3) (4) (5) (6) (7) (8) (9) Transformer box Transformer box plates [2 pcs.] Screw [with washer] 3-pin power supply connector Staples [6 pcs.] Cord clamps [2 pcs.] Power cord 1. Attach an appropriate plug to the power cord (9). (The green and yellow wire is the ground wire.) 2. Insert the power plug into a properly-grounded electrical outlet.
3. INSTALLATION 3-5. Test operation (Operating the treadle) CAUTION Do not touch any of the moving parts or press any objects against the machine while sewing, as this may result in personal injury or damage to the machine. 2114M 1. Turning on the power Press the ON power switch (1). The power indicator (2) will illuminate. 4307M 2. Test operation 3648M 1. Check that the machine sews at low speed when the treadle (1) is gently pressed to position (B). 2.
3. INSTALLATION 3-6. Adjusting the treadle 4259M If the machine starts running at low speed when your foot is simply resting on the treadle, or if the treadle pressure is felt to be too weak, adjust the position (a to c) at which the treadle spring (1) is hooked onto the treadle lever (2). * a is the weakest position, and it becomes gradually stronger at b, c and d respectively. 1.
4. PREPARATION BEFORE SEWING 4. PREPARATION BEFORE SEWING 4-1. Installing the needle CAUTION Turn off the power switch before installing the needle. The machine may operate if the treadle is depressed by mistake, which could result in injury. Front 1. Turn the machine pulley to move the needle bar to its highest position. 2. Loosen the screw (1). 3.
4. PREPARATION BEFORE SEWING 4-3. Winding the lower thread CAUTION Do not touch any of the moving parts or press any objects against the machine while winding the lower thread, as this may result in personal injury or damage to the machine. 1. Turn on the power switch. 2. Place the bobbin (1) onto the bobbin winder shaft (2). 3. Wind the thread several times around the bobbin (1) in the direction indicated by the arrow. 4. Push the bobbin presser arm (3) toward the bobbin(1). 5.
4. PREPARATION BEFORE SEWING 4-5. Threading the upper thread CAUTION Turn off the power switch before threading the upper thread. The machine may operate if the treadle is depressed by mistake, which could result in injury. Turn the machine pulley and raise the thread take-up (1) before threading the upper thread. This will make threading easier and it will prevent the thread from coming out at the sewing start.
4. PREPARATION BEFORE SEWING 4-6. Adjusting the stitch length 1. Push the dial lock lever (1) up until it clicks to release the lock. 2. Turn the stitch length dial (2) clockwise or counterclockwise so that the desired stitch length is at the uppermost position on the dial. The larger the number, the longer the stitch length will be. (The numbers on the dial are for use as a guide. The length of the finished stitches may vary depending on the type and thickness of material being sewn.
5. USING THE G50 OPERATION PANEL (BASIC OPERATIONS) 5. USING THE G50 OPERATION PANEL (BASIC OPERATIONS) 5-1. Names and functions • The operation panel keys cannot be operated while sewing is in progress. Select the keys and set the number of stitches before starting sewing. • In the case of keys with indicators, the indicator illuminates when that function is operating, and the indicator switches off when the key is pressed once more.
5. USING THE G50 OPERATION PANEL (BASIC OPERATIONS) (7) Name label key When this key is pressed so that the indicator illuminates, fixed stitch sewing of the number of stitches (1-1999) in the E and F stitch number displays is carried out repeatedly. 4165M (8) Pleat presser sewing key When this key is pressed so that the indicator illuminates, the number of backtack stitches (1-1999) in the E stitch number display can be sewn by pressing the actuator switch.
6. USING THE G50 OPERATION PANEL (ADVANCED OPERATIONS) 5-2. Sewing start and end backtack stitches 0841M 1 Setting start backtack stitches For example, 3 stitches and 4 stitches 4175M 2 Setting end backtack stitches Example: 4176M 3 Start backtacking is carried out. After it has finished, normal sewing continues for as long as the treadle remains depressed.
6. SEWING 6. SEWING CAUTION Attach all safety devices before using the sewing machine. If the machine is used without these devices attached, injury may result. Turn off the power switch at the following times. The machine may operate if the treadle is depressed by mistake, which could result in injury.
MEMO S-7200C 24
Document CD For cleaning, standard adjustments and more details, please refer to the instruction manual contained in the Document CD. 3168M Contents of the Document CD The following documents are contained in PDF format. ・ Basic Operation Manual ・ Instruction Manual ・ Parts Book How to use the Document CD Refer to “Using Document CD” which comes with the Document CD or the help function of the Document CD.
