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BAS-300G INSTRUCTION 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...
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Follow the instructions from training personnel and instructors regarding safe and correct operation before operating the machine so that you will know how to use it correctly. BAS-300G, BAS-311G, BAS-326G...
This symbol ( ) 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”.) BAS-300G, BAS-311G, BAS-326G...
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Keep the oil out of the reach of children. Be sure to connect the ground. If the ground connection is not secure, you run a high risk of receiving a serious electric shock, and problems with correct operation may also occur. BAS-300G, BAS-311G, BAS-326G...
To prevent accidents and problems, do not modify the machine yourself. Brother will not be held responsible for any accidents or problems resulting from modifications made to the machine. BAS-300G, BAS-311G, BAS-326G...
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Be sure to connect the ground. If the ground connection is not secure, you run a high risk of receiving a serious electric shock, and problems with correct operation may also occur. Direction of operation BAS-300G, BAS-311G, BAS-326G...
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Motor cover Inner cover L Outer cover Fixed cover L Motor cover L Thread take-up cover Inner cover R Outer cover Eye guard Fixed cover R Motor cover R Finger guard Gas spring support cover 2960B 2961B BAS-300G, BAS-311G, BAS-326G...
CF card at once ........49 4-5. Thread tension..........24 7-3-2. Writing all sewing data to the CF card at 4-5-1. Lower thread tension......24 once ............50 4-5-2. Upper thread tension......24 4-6. Home position detection ........25 BAS-300G, BAS-311G, BAS-326G...
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10-12. Adjusting the thread wiper ......63 10-13. Presser foot installation position....63 10-14. Changing the intermittent stroke ....64 10-15. Adjusting the work clamp lift amount.... 66 10-16. Adjusting the air pressure (pneumatic work clamp specifications).... 66 BAS-300G, BAS-311G, BAS-326G...
Stitch formation Single needle lock stitch Max. sewing speed 2,700 sti/min Max. sewing area (XxY) BAS-300G: 130 x 60 mm BAS-311G: 130 x 100 mm BAS-326G: 220 x 100 mm Feed mechanism Intermittent feed, pulse motor drive 0.05 − 12.7 mm Stitch length No.
Furthermore, do not apply excessive force when tilting back the machine head. The sewing machine may become unbalanced and fall down, and serious injury or damage to the sewing machine may result. BAS-300G, BAS-311G, BAS-326G...
Refer to the diagram above for all other dimensions. * The operation panel can be moved to any preferred position as long as it is in a position where the cord reaches the PCB inside the control box. 3003B BAS-300G, BAS-311G, BAS-326G...
(A) before installing the oil pan. (Refer to "3-7. Installing the treadle unit (motor-driven work clamp specifications)".) (1) Oil pan (2) Nails [7 pcs.] (3) Rubber cushions [4 pcs.] (4) Waste oil tank 4911Q BAS-300G, BAS-311G, BAS-326G...
Approx. 20 mm of the pulse motor. Approx. 20 mm 2966B (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-300G, BAS-311G, BAS-326G...
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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. 2969B BAS-300G, BAS-311G, BAS-326G...
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* are also used to install the treadle unit. (Refer to "3-7. Installing the treadle unit (motor-driven work clamp specifications)".) 1902B (29) Gas spring support cover (30) Bolts with washer [6 pcs.] 4916Q BAS-300G, BAS-311G, BAS-326G...
Always be sure to move the work clamp arm (1) all the way to the right before tilting back the machine head. If you try to tilt back the machine head while the work clamp arm (1) is still on the left side, it may damage the outer cover L (2). BAS-300G, BAS-311G, BAS-326G...
• Pass the cord from the operation panel (8) 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-300G, BAS-311G, BAS-326G...
(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 2972B BAS-300G, BAS-311G, BAS-326G...
• 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-300G, BAS-311G, BAS-326G...
Green and yellow wire (ground wire) 5239Q 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. 2974B BAS-300G, BAS-311G, BAS-326G...
• 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. 5220Q 1905B BAS-300G, BAS-311G, BAS-326G...
(1) Motor cover R 2975B (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. 2976B BAS-300G, BAS-311G, BAS-326G...
・ If there is no more oil on the felt (4) of the shuttle race base assembly, problems with sewing may result. 4. If using the needle cooler (5), fill it with silicon oil (100 mm /s). (Refer to “4-2. Threading the upper thread”.) BAS-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
* When using threading mode for threading, the tension discs (1) will open so that the thread can be threaded more easily. (Refer to following page.) 2977B [If using cotton thread or spun thread] [If using synthetic thread] <Standard parts> BAS-300G-03[], BAS-311G, BAS-326G <Option parts> BAS-300G-01[], 02[] Thread the upper thread Needle cooler...
• 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-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
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 2153B BAS-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
Spare (10) X-SCALE indicator Illuminates when the SELECT key (15) is pressed to shown the X-scale setting. (11) Y-SCALE indicator Illuminates when the SELECT key (15) is pressed to shown the Y-scale setting. (Continued on next page) BAS-300G, BAS-311G, BAS-326G...
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(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-300G, BAS-311G, BAS-326G...
• 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-300G, BAS-311G, BAS-326G...
1. Press the SELECT key (1) until the SPEED indicator (2) illuminates. • The setting value (sti/min) will appear in the menu display (3). 2. Press the key (4) to set the sewing speed. (Sewing speed setting: 400 − 2700) 4956Q BAS-300G, BAS-311G, BAS-326G...
(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-300G, BAS-311G, BAS-326G...
• The work clamp will rise or drop to the height of the new value that has been set. 4959Q NOTE: When setting the work clamp height and the intermediate presser foot work clamp height, check that the slider (1) is touching the work clamp lifter plate assembly (2). 5254Q BAS-300G, BAS-311G, BAS-326G...
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* If it is set smaller, the intermittent presser When lowered foot will come into contact with the needle plate. Intermittent stroke Refer to “10-14. Changing the intermittent stroke” when making the adjustment. While sewing 5033Q BAS-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
(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-300G, BAS-311G, BAS-326G...
• 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-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
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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-300G, BAS-311G, BAS-326G...
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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-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
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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. “C-0” will appear in the PROGRAM No. display at this time. BAS-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
• 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-300G, BAS-311G, BAS-326G...
• 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-300G, BAS-311G, BAS-326G...
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. (Refer to the service manual for details on memory switch No. 752.) BAS-300G, BAS-311G, BAS-326G...
Expansion option output data is written to the CF card. r 13 [oPFd] Expansion option output data is read from the floppy disk. (*2) r 14 [-EoP] Expansion option output data for older models is read from the CF card. (*5) (Continued on next page) BAS-300G, BAS-311G, BAS-326G...
7. USING CF CARDS The sewing data that can be used with this sewing machine is data that has been created for the BAS-300G series. Only valid when using an optional floppy disk drive. Sewing data for the BAS-300 series, BAS-300A series and BAS-300E/F series can be read.
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-300G, BAS-311G, BAS-326G...
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 2996B slippery. BAS-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
(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-300G, BAS-311G, BAS-326G...
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. 2372B 9-6. Lubrication Lubricate the sewing machine while referring to "3-16. Lubrication". BAS-300G, BAS-311G, BAS-326G...
10-1. Checking the machine head switch Check that the machine head switch is turned on as shown in the illustration. NOTE: If the machine head switch is not turned on, errors "E050", "E051" and "E055" will be generated. 5226Q BAS-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
If the driver (1) 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-300G, BAS-311G, BAS-326G...
• 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-300G, BAS-311G, BAS-326G...
5. Move the thread trimming rod H (9) forward or back to adjust so that the distance from the ridge line on the right side of the needle plate to the ridge line on the movable knife (8) is 9.5 − 9.9 mm. 6. After tightening the bolt (7), check the above position once more. (Continued on next page) BAS-300G, BAS-311G, BAS-326G...
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10. Check that there is a gap of about 0 - 1 mm between the outside of the hole in the movable knife (8) and the ridge line on the shuttle race thread guide (12) when there is still play between the parts. BAS-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
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. 2373B End feed plate installation mode Turn off the power. BAS-300G, BAS-311G, BAS-326G...
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-300G, BAS-311G, BAS-326G...
Installation position Intermittent stroke range 2 − 4.5mm 4.5 − 10mm 0 mm (Intermittent presser foot does not move up and down) 5012Q BAS-300G, BAS-311G, BAS-326G...
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<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-300G, BAS-311G, BAS-326G...
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. 1912B BAS-300G, BAS-311G, BAS-326G...
Check that connector P9 on the main PCB is properly connected. An operation panel key was still being pressed when the power was turned on, or key is faulty. E065 Turn off the power and check the operation panel. BAS-300G, BAS-311G, BAS-326G...
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Turn off the power, and then check if there are any problems in the Y-feed direction. Y-feed motor stopped due to a problem during programming. E217 Turn off the power, and then check if there are any problems in the Y-feed direction. BAS-300G, BAS-311G, BAS-326G...
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Machine head memory is not connected. E452 Turn off the power, and then check that connector P3 on the power supply motor PCB is properly connected. Internal memory is full and copying is not possible. E474 Clear the sewing data. BAS-300G, BAS-311G, BAS-326G...
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Check that connector P22 on the main PCB is properly connected. If an error code that is not listed above appears or if carrying out the specified remedy does not solve the problem, contact the place of purchase. BAS-300G, BAS-311G, BAS-326G...
Adjust the position of the bobbin presser. P. 22 amount is incorrect. Thread slips out of Stitches being skipped at the sewing Refer to "Skipped stitches occur". P. 72 the needle. start. Upper thread trailing length is uneven. Adjust the sub-tension. P. 24 BAS-300G, BAS-311G, BAS-326G...
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Thread jamming. Thread take-up spring tension and Adjust the tension and height of the P. 56 height are incorrect. thread take-up spring. Needle and rotary hook timing is Adjust the needle bar lift amount. P. 57 incorrect. BAS-300G, BAS-311G, BAS-326G...
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Adjust the position of the machine head P. 9 Machine head switch does not work. depressed. switch. machine head switch malfunctioning, replace it with a new one. BAS-300G, BAS-311G, BAS-326G...