Brother BAS-311G Instruction Manual
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Brother BAS-311G Instruction Manual

Direct drive programmable electronic pattern sewer
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See also: Basic Operation Manual , Service Manual
BAS-311G
BAS-326G
Please read this manual before using the machine.
Please keep this manual within easy reach for quick reference.
DIRECT DRIVE
PROGRAMMABLE ELECTRONIC PATTERN SEWER
INSTRUCTION MANUAL

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Summary of Contents for Brother BAS-311G

  • Page 1 BAS-311G INSTRUCTION MANUAL BAS-326G Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. DIRECT DRIVE PROGRAMMABLE ELECTRONIC PATTERN SEWER...

  • Page 2: Safety Instructions

    Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety instructions below 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 lever, and consequently there is always a danger of injury that can be caused by these parts.
  • Page 3 Furthermore, do not excessively bend the cords or secure them too firmly Contact your Brother dealer or a qualified electrician with staples, otherwise there is the danger that fire or for any electrical work that may need to be done.

  • Page 4: Maintenance And Inspection

    Furthermore, do not apply excessive force when Ask your Brother dealer or a qualified electrician to tilting back the machine head. The sewing machine carry out any maintenance and inspection of the may become unbalanced and fall down, and serious electrical system.
  • Page 5 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 careful not to get your hand caught when tilting back the machine head and returning it to its original position.

  • Page 6: Table Of Contents

    CF card at once ........47 4-5. Thread tension ..........22 7-3-2. Writing all sewing data to the CF card at 4-5-1. Lower thread tension ......22 once............48 4-5-2. Upper thread tension ......22 4-6. Home position detection........23 BAS-311G, BAS-326G...
  • Page 7 10-11-1. Installing the feed plate....59 10-12. Adjusting the thread wiper......60 10-13. Presser foot installation position....60 10-14. Changing the intermittent stroke ....61 10-15. Adjusting the work clamp lift amount.... 63 10-16. Adjusting the air pressure (pneumatic specifications) ......63 BAS-311G, BAS-326G...

  • Page 8: Names Of Major Parts

    (5) Foot switch (solenoid specifications) (16) Motor cover (6) Work clamp switch (pneumatic specifications) (7) Start switch (pneumatic specifications) (8) STOP switch (9) Thread wiper switch (10) Pulley (11) Cotton stand (12) Solenoid valve (pneumatic specifications) is a trademark of SanDisk Corporation. BAS-311G, BAS-326G...

  • Page 9: Specifications

    Stitch formation Single needle lock stitch Max. sewing speed 2,700 rpm Sewing area (XxY) BAS-311G: Max. 130 x 100 mm, BAS-326G: Max. 220 x 100 mm Feed mechanism Intermittent feed, pulse motor drive 0.05 − 12.7 mm Stitch length No. of stitches 500,000-stitch internal memory (*) Maximum no.

  • Page 10: Installation

    Furthermore, do not excessively bend the cords or secure them too firmly staples, Contact your Brother dealer or a qualified electrician otherwise there is the danger that fire or electric for any electrical work that may need to be done.

  • Page 11: Installing The Control Box

    For solenoid specifications, install the treadle unit mounting bolt (A) before installing the oil pan. (Refer to "3-7. Installing the treadle unit (solenoid specifications)".) (1) Oil pan (2) Nails [6 pcs.] (3) Rubber cushions [4 pcs.] (4) Waste oil tank 4911Q BAS-311G, BAS-326G...

  • Page 12: Installing The Machine Head

    Approx. 20 mm of the pulse motor. Approx. 20 mm 4912Q (4) Hinge holders [2 pcs.] (5) Bolts [4 pcs.] (6) Plain washers [4 pcs.] (7) Nuts [4 pcs.] (8) Head rest (9) Bolts with washer [4 pcs.] 4913Q BAS-311G, BAS-326G...
  • Page 13 Work clamp arm NOTE: Two or more people should tilt back the machine head, and it should be tilted gently while being held with both hands. 4914Q BAS-311G, BAS-326G...
  • Page 14 (29) Gas spring support cover 4916Q (30) Bolts with washer [6 pcs.] • Gently return the machine head to its original position. • Check that the machine head switch Figure 1 (31) in figure 1 is turned on. Oil pan 4917Q BAS-311G, BAS-326G...

  • Page 15: Tilting The Sewing Machine Head

    (12). • Pass the panel cord through the hole in the table, and then insert it into the control box through the hole in the side of the control box. (13) Staples [3 pcs.] 4920Q BAS-311G, BAS-326G...

  • Page 16: Installing The Treadle Unit (Solenoid Specifications)

    (right) is depressed, the sewing machine starts sewing. * The work clamp lowering method can be changed using memory switch No. 002. (Refer to "6-3. List of memory switch settings.") Work clamp switch (2-step) Start switch 4923Q 4922Q BAS-311G, BAS-326G...

  • Page 17: Connecting The Cords

    P6 (FOOT) Operation panel 8-pin P1 (PANEL) Machine head switch 3-pin P9 (HEAD-SW) Home position sensor assembly 12-pin P8 (SENSOR1) STOP switch 6-pin P13 (HEAD) Valve harness 12-pin (pneumatic specifications) P12 (AIR1) Programmer relay harness 8-pin P7 (PRG) 4925Q BAS-311G, BAS-326G...
  • Page 18 5. Close the cord presser plate (2) in the direction of the left arrow, and secure it by tightening the two screws (1). 6. Check that the cords do not get pulled, and then gently return the machine head to its original position. 4927Q BAS-311G, BAS-326G...

  • Page 19: Connecting The Ground Wire

    (5) Ground wires from two-pedal foot switch harnesses (2 wires) [pneumatic specifications] • Tighten the control box cover with the eight screws. Check that the cords are not clamped by the cover at this time. NOTE: Make sure that the ground connections are secure in order to ensure safety. BAS-311G, BAS-326G...

  • Page 20: Connecting The Power Cord

    > specifications Green and yellow wire (ground wire) 4929Q 3-12. Installing the cotton stand (1) Cotton stand NOTE: Fit the washer (2), and then securely tighten the nut (3) so that the cotton stand does not move. 4930Q BAS-311G, BAS-326G...

  • Page 21: Installing The Pneumatic Unit (Pneumatic Specifications)

    • When the lower knob is tightened, the lowering speed becomes slower. When it is loosened, the lowering speed becomes faster. You can operate the work clamp while the power is turned off by pressing the manual button. 4932Q 4933Q BAS-311G, BAS-326G...

  • Page 22: Installing The Eye Guard

    (1) Motor cover R 4935Q (2) Screws [4 pcs.] (3) Motor cover L (4) Screws [4 pcs.] (5) Motor cover (6) Screws [4 pcs.] NOTE: Be careful not to clamp the cords when installing the motor cover. 4936Q BAS-311G, BAS-326G...

  • Page 23: Lubrication

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

  • Page 24: Installing The Machine Head Fixing Bolt

    When transporting the sewing machine, secure the machine head to the table with the machine head fixing bolt. (1) Plain washer (2) Machine head fixing bolt NOTE: When operating the sewing machine, remove the machine head fixing bolt. 5021Q BAS-311G, BAS-326G...

  • Page 25: Preparation Before Sewing

    • When threading the thread through the needle, allow a distance of approximately 40 mm between the needle hole and the end of the thread. If the trailing length of the thread is too long, it may cause the thread to become tangled. BAS-311G, BAS-326G...

  • Page 26: Threading Mode

    • When 5 minutes have passed, the buzzer will sound and the tension discs will close. Ending threading mode Press the THREAD/CLAMP key. • The work clamp will return to where it was before threading mode was started. THREAD/CLAMP indicator switches off BAS-311G, BAS-326G...

  • Page 27: Winding The Lower Thread

    Loosen the set screw (7) and move the bobbin winder tension assembly (8) up and down to adjust. * For case A, move the bobbin winder tension assembly For case A (8) down, and for case B, move it upward. For case B 4471Q BAS-311G, BAS-326G...

  • Page 28: Installing The Bobbin Case

    4. Check that the bobbin turns in the direction of the arrow when the thread is pulled. 5. Pass the thread through the lever thread hole (4), and then pull out approximately 30 mm of thread. 6. Hold the latch on the bobbin case and insert the bobbin case into the rotary hook. BAS-311G, BAS-326G...

  • Page 29: Thread Tension

    1. Turn the tension nut (1) (main tension) to adjust the tension as appropriate for the material being sewn. 2. Use the tension nut (2) (sub tension) to adjust the upper thread trailing length to about 40 mm. Stronger Weaker Stronger Weaker 5025Q BAS-311G, BAS-326G...

  • Page 30: Home Position Detection

    NOTE: If error "E110" appears when the foot switch is depressed, turn the pulley (1) in the direction of operation to clear the error. 4441Q 4953Q BAS-311G, BAS-326G...

  • Page 31: Using The Operation Panel (Basic Operations)

    (6) THREAD/CLAMP key Used to start threading mode or work clamp height setting mode. (7) THREAD/CLAMP indicator Illuminates when the THREAD/CLAMP key (6) has been pressed. (8) TENSION/WIND key Used to wind the lower thread. (9) TENSION/WIND indicator Spare BAS-311G, BAS-326G...
  • Page 32 (22) Function keys [F1, F2, F3, F4] Used to select user programs and to set and select cycle programs. (23) R/W key Used to read data from and write data to external media. is a trademark of SanDisk Corporation. BAS-311G, BAS-326G...

  • Page 33: Loading Sewing Data

    • The program number will stop flashing and illuminate steadily. NOTE: After completing the setting, be sure to refer to "5-6. 2nd step Checking the sewing pattern" to check that the needle drop position is correct. 4954Q BAS-311G, BAS-326G...

  • Page 34: Setting The X-Scale And Y-Scale

    1. Press the SELECT key (1) until the SPEED indicator (2) illuminates. • The setting value (rpm) will appear in the menu display (3). 2. Press the key (4) to set the sewing speed. (Sewing speed setting: 400 − 2700) 4956Q BAS-311G, BAS-326G...

  • Page 35: Checking The Sewing Pattern

    (If using a two-pedal foot switch, depress the start switch.） 4441Q TEST indicator switches off If test feeding continues to the final stitch, Press the TEST key. it will then stop. TEST indicator switches off BAS-311G, BAS-326G...

  • Page 36: Setting The Work Clamp Lift Amount

    (Intermediate work clamp height setting: 1 − 15) Press the key to set the intermediate work clamp height. • The work clamp will rise or drop to the height of the new value that has been set. 4959Q BAS-311G, BAS-326G...
  • Page 37 Presser foot operation Intermittent presser foot lift amount During standby Intermittent presser foot height The settings can be made by the above operations. Intermittent stroke Refer “10-14. Changing intermittent stroke” when making the adjustment. When lowered While sewing 5033Q BAS-311G, BAS-326G...

  • Page 38: Using The Operation Panel (Advanced Operations)

    Production counter setting mode Refer to "6-5. Using the production counter". 4491Q When SPEED indicator is illuminated Production counter temporary display function Refer to "6-5. Using the production counter". 4492Q User program setting mode Refer to "6-7. Using user programs". 4493Q BAS-311G, BAS-326G...

  • Page 39: Setting Memory Switches

    RESET key while the number for that memory switch is displayed. • To return the settings for all memory switches to the default settings, keep pressing the RESET key for two or more seconds until the buzzer makes a long beep. BAS-311G, BAS-326G...

  • Page 40: List Of Memory Switch Settings

    Displayed as %. Displayed as mm. Split mode selection Continuous split (split menu is disabled before split detection) Continuous split (split menu is always enabled) Independent split * The mm display may differ slightly from the actual sewing size. BAS-311G, BAS-326G...

  • Page 41: Using The Lower Thread Counter

    However, this value will not be stored as the initial value. * If a lower thread counter value is set, the lower thread counter will operate even if the lower thread counter is not being displayed. 4963Q BAS-311G, BAS-326G...

  • Page 42: Using The Production Counter

    (2). Press the TEST key (6) or the SELECT key (1) to switch the menu back to the normal menu display. * You can start sewing while the temporary display still appears. 4468Q BAS-311G, BAS-326G...

  • Page 43: Setting The Split Number

    • Sewing is carried out each time in the order of steps 1 → 2 → 3 → 1 (for example, if there are two sections of split data). [Independent split] Memory switch No. 403 = 2 • The pattern for the displayed split number is sewn independently. BAS-311G, BAS-326G...

  • Page 44: Using User Programs

    Press the key to set the Y-scale to be recorded. 4472Q Y-SCALE indicator flashes Next, set the sewing speed. Press the SELECT key. Press the key to set the sewing speed to be recorded. 4474Q SPEED indicator flashes BAS-311G, BAS-326G...
  • Page 45 This completes the recording of a user program. • The user program number will flash in the PROGRAM No. display, and the sewing machine will switch to home position detection standby. 4971Q TEST indicator switches off, MENU indicator illuminates BAS-311G, BAS-326G...
  • Page 46 Press and hold the RESET key for 2 seconds or more. • The buzzer will sound and all user programs will be cleared. NOTE: If any cycle programs have been memorized, all of the memorized cycle programs will also be cleared. BAS-311G, BAS-326G...

  • Page 47: Using Cycle Programs

    2. Press the SELECT key until the desired step is reached. <For cycle programs C-5 to C-9> 1. Press the key to switch the cycle program number. 2. Select the desired cycle program number again, and then press the SELECT key until the desired step is reached. BAS-311G, BAS-326G...
  • Page 48 The setting cannot be changed at this time. NOTE: If cycle program sewing mode is active (when memory switch no. 401 is "ON") but no cycle programs have been recorded, the user programs will be sewn in numeric order. BAS-311G, BAS-326G...

  • Page 49: Direct Selection (Combination Table)

    U1 to U4 and C-1 to C-4 can be selected using function keys F1 to F4. U5 to U10 and C-5 to C-9 can be selected by simultaneously pressing combinations of function keys F1 to F4 (addition). U5/C-5 U6/C-6 U7/C-7 U8/C-8 U9/C-9 BAS-311G, BAS-326G...

  • Page 50: And Y Parallel Movement Of Sewing Pattern

    • In addition, the amount of movement will be reset if the power switch is turned off and then back on again. However, memory switch No. 465 is set to "ON", the amount of movement will be recorded and will not be reset. (Refer to the service manual for details on memory switch No. 465.) BAS-311G, BAS-326G...

  • Page 51: Clearing Memory Data (Reinitialization)

    • A long beep will sound and the data for the selected item will be reinitialized. • The setting details for only the initialized item will change from flashing to steadily illuminated. End data initialization mode Press the TEST key. TEST indicator switches off BAS-311G, BAS-326G...

  • Page 52: Using Cf Cards

    : Sewing data P No. = 102 The underlined portion of the name of the \BROTHER\ISM\SMDB00 folder for sewing data can be changed by changing the setting for memory switch No. 752 in order to change the folder name. Change the folder name if you would like to store sewing data for different sewing machines on a single CF card.

  • Page 53: Data Read/Write Mode

    Expansion option output data is read from the floppy disk. (*2) The sewing data that can be use with this sewing machine is data that has been created for the BAS-311G/BAS-326G. Only valid when using an optional floppy disk drive.

  • Page 54: Reading All Sewing Data From The Cf Card At Once

    RESET key, the display will change back to [ ALL]. 4976Q Loading End data read/write mode Press the TEST key. Turn off the power switch, remove the CF card, and then close the cover of the CF slot. TEST indicator switches off BAS-311G, BAS-326G...

  • Page 55: Writing All Sewing Data To The Cf Card At Once

    End data read/write mode Press the TEST key. Turn off the power switch, remove the CF card, and then close the cover of the CF slot. TEST indicator switches off Refer to the service manual for details on other read/write modes. BAS-311G, BAS-326G...

  • Page 56: Sewing

    Use a work clamp that hold the article being sewn firmly, without allowing it to slip. If using the standard work clamp and feed plate and the article being sewn is slipping, take measures to stop the work clamp and feed plate from being slippery. BAS-311G, BAS-326G...

  • Page 57: Using The Stop Switch

    2nd step • The sewing machine will start operating and sewing will start. 4441Q 8-3. Using the thread wiper switch The thread wiper switch (1) can be used to turn the thread wiper (2) on and off. 4983Q BAS-311G, BAS-326G...

  • Page 58: Cleaning

    (2) and the shuttle hook (3). 4985Q 3. Clean all the dust and thread ends from around the driver (4), the top of the rotary hook thread guide and the shuttle race. 4986Q BAS-311G, BAS-326G...

  • Page 59: Cleaning The Control Box Air Inlet Ports

    9-5. Checking the needle Always check that the tip of the needle is not broken and also that the needle is not bent before starting sewing. 4988Q 9-6. Lubrication Lubricate the sewing machine while referring to "3-16. Lubrication". BAS-311G, BAS-326G...

  • Page 60: Standard Adjustments

    In addition, do not apply excessive force when tilting back the machine head. The sewing machine may Ask your Brother dealer or a qualified electrician to become unbalanced and fall down, and serious injury carry out any maintenance and inspection of the or damage to the sewing machine may result.

  • Page 61: Thread Take-Up Spring

    More thread Less thread (1) to the left. (The thread take-up amount will become greater.) * When sewing light material, move arm thread guide R (1) to the right. (The thread take-up amount will become less.) Index mark 5030Q BAS-311G, BAS-326G...

  • Page 62: Adjusting The Needle Bar Height

    If it crosses the needle more than necessary, it will place a load on the needle, or it may cause poor thread tension. Furthermore, if it does not cross the needle at all, the tip of the rotary hook will interfere with the needle and skipped stitches may occur. BAS-311G, BAS-326G...

  • Page 63: Adjusting The Needle Clearance

    • If the set screw (1) is turned clockwise, the lubrication amount becomes smaller. • If the set screw (1) is turned counterclockwise, the lubrication amount becomes greater. Aligned 4996Q BAS-311G, BAS-326G...

  • Page 64: Adjusting The Position Of The Movable Knife

    10. Check that the collar (11) is not touching the inside of the thread trimmer cam (12). In addition, push the driving lever (13) by hand toward the thread trimmer cam until the collar (11) touches the cam groove, and then check that the driving lever (13) returns smoothly to its original position when it is released. BAS-311G, BAS-326G...

  • Page 65: Replacing The Movable And Fixed Knives

    7. Apply grease to the pin (12), place it into the movable knife connecting plate (13), and install it to the needle plate (5). 8. Check that the needle is aligned with the center of the needle hole. BAS-311G, BAS-326G...

  • Page 66: Installing The Feed Plate

    Use a 2 mm diameter pin to align the holes in the X feed bracket (1) and the needle plate (2) with the two holes in the feed plate (3), and then tighten the two bolts (4). NOTE: Install the feed plate so that the surface with the index mark is facing upward. 5006Q End feed plate installation mode Turn off the power. BAS-311G, BAS-326G...

  • Page 67: Adjusting The Thread Wiper

    Install the presser foot (1) with the screw (2) so that the distance from the bottom of the presser foot to the top of the needle plate is 22 mm when the sewing machine is stopped and the presser foot (1) is raised. 5031Q BAS-311G, BAS-326G...

  • Page 68: Changing The Intermittent Stroke

    If the position of the stepping clamp connecting rod is adjusted as described in the following at any one of the installation positions, the adjustment range for the intermittent stroke will as given in the following table. Installation position Intermittent stroke range 2 − 4.5mm 4.5 − 10mm 0 mm (Presser foot does not move up and down) 5012Q BAS-311G, BAS-326G...
  • Page 69 <If they are touching> Remove the motor cover (4). Loosen the nut (5), and turn the bolt (6) until it is pressing against the intermittent drive lever (7), and then adjust until the two points mentioned above are not touching. BAS-311G, BAS-326G...

  • Page 70: Adjusting The Work Clamp Lift Amount

    If water has collected in the bottle of the regulator (1), turn the drain cock (3) in the direction indicated by an arrow to drain the water. NOTE: Open the air cock (4) slowly. 5020Q BAS-311G, BAS-326G...

  • Page 71: Table Of Error Codes

    Check that connectors P4 and P5 on the power supply motor P.C. board are properly connected. Synchronizer is faulty. Turn off the power, and then check that connector P5 on the power supply motor P. C. board is properly E131 connected. BAS-311G, BAS-326G...
  • Page 72 Data that has already been loaded into internal memory can be used without having to press the R/W key again. Model selection cannot be read from the machine head memory. E450 Turn off the power and check that connector P3 on the power supply motor P.C. board is properly connected. BAS-311G, BAS-326G...
  • Page 73 Turn off the power, and then check if the cooling fan is blocked with scraps of thread. E740 Check that connector P22 on the main P.C. board is properly connected. If an error code that is not listed above appears, contact the place of purchase. BAS-311G, BAS-326G...

  • Page 74: Troubleshooting

    Refer to "Skipped stitches occur". P. 68 the needle. start. Upper thread length is irregular. Adjust the sub-tension. P. 22 Position of shuttle race thread guide is Adjust the position of the shuttle race P. 56 incorrect thread guide. BAS-311G, BAS-326G...
  • Page 75 Needle and rotary hook timing is Adjust the needle bar lift amount. P. 55 incorrect. Shuttle race thread guide Adjust the position of the shuttle race P. 56 separating the threads. thread guide. BAS-311G, BAS-326G...
  • Page 76 Adjust the position of the machine head P. 53 Machine head switch does not work. depressed. switch. machine head switch malfunctioning, replace it with a new one. BAS-311G, BAS-326G...

  • Page 77: Segment Display

    13. 7-SEGMENT DISPLAY ０ １ ２ ３ ４ ５ ６ ７ ８ ９ Ａ Ｂ Ｃ Ｄ Ｅ Ｆ Ｇ Ｈ Ｉ Ｊ Ｋ Ｌ Ｍ Ｎ Ｏ Ｐ Ｑ Ｒ Ｓ Ｔ Ｕ Ｖ Ｗ Ｘ Ｙ Ｚ BAS-311G, BAS-326G...

  • Page 78: Instruction Manual

    INSTRUCTION MANUAL http://www.brother.com/ 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone: 81-52-824-2177 © 2005 Brother Industries, Ltd. All Rights Reserved. BAS-311G, 326G SA6236-001 E 2005.04. B (1)

This manual is also suitable for:

Bas-326g

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