Download  Print this page

Brother BAS-341H Instruction Manual

Direct drive programmable electronic pattern sewer
Hide thumbs

Advertisement

Quick Links

BAS-341H
BAS-342H
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
INSTRUCTION MANUAL

Advertisement

loading

  Also See for Brother BAS-341H

  Related Manuals for Brother BAS-341H

  Summary of Contents for Brother BAS-341H

  • Page 1 BAS-341H INSTRUCTION MANUAL INSTRUCTION MANUAL BAS-342H 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 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 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-341H, BAS-342H...
  • Page 4 USB memory. If this is not observed, problems The pneumatic delivery capability should be greater with operation may result. than the requirements for the sewing machine's total air consumption. Insufficient pneumatic delivery capability may cause problems with correct operation. BAS-341H, BAS-342H...
  • Page 5 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 6 In addition, do not subject the machine head to extra Ask your Brother dealer or a qualified electrician to force while it is tilted back. If this is not observed, the carry out any maintenance and inspection of the machine head may become unbalanced and fall electrical system.
  • Page 7 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. *Safety devices...
  • Page 8 Rear cover FR Thread take-up cover Inside cover R Middle cover Outside cover Eye guard Finger guard Fixed cover Solenoid cover Motor cover Inside cover L Middle cover Rear cover Outside cover Fixed cover X motor cover 3461B BAS-341H, BAS-342H...
  • Page 9: Table Of Contents

    6-2. Draining the oil..........34 6-3. Cleaning the regulator ........35 6-4. Checking the control box air inlet ports .... 35 6-5. Cleaning the eye guard ........35 6-6. Checking the needle ........35 6-7. Lubrication ............35 BAS-341H, BAS-342H...
  • Page 10: Names Of Major Parts

    (1) STOP switch (2) Power switch (10) Finger guard (3) Work clamp switch (11) Eye guard (4) Start switch (12) Thread take-up cover (5) Control box (13) Motor cover (6) Solenoid valve (7) LCD panel (8) Pulley (9) Cotton stand BAS-341H, BAS-342H...
  • Page 11: Specifications

    Lock stitch pattern tacking sewing machine Stitch formation Single needle lock stitch Max. sewing speed 2,800 sti/min Max. sewing area (XxY) BAS-341H: 250 x 160 mm BAS-342H: 300 x 200 mm Feed mechanism Intermittent feed, pulse motor drive 0.05 − 12.7 mm Stitch length Maximum No.
  • Page 12: Installation

    In addition, do not subject the machine head to extra Contact your Brother dealer or a qualified electrician force while it is tilted back. If this is not observed, the for any electrical work that may need to be done.
  • Page 13: Table Processing Diagram

    ・ If using casters, use ones which can bear the total weight of sewing machine and table. ・ Check that the control box is at least 10 mm away from the leg. If the control box and the leg are too close together, it may result in incorrect sewing machine operation. 3635B BAS-341H, BAS-342H...
  • Page 14: Installing The Control Box

    10mm or more 3599B (6) Power switch (7) Wood screws [2 pcs.] (8) Staples [7 pcs.] NOTE: Take care when tapping in the staples (8) to make sure that they do not Operator pierce the power cord. 3608B BAS-341H, BAS-342H...
  • Page 15: Installing The Oil Pan And Support Lever Base

    (b). (1) Rubber bushes (2 pcs.) (2) Hinge holders (2 pcs.) (3) Plain washers [4 pcs.] (4) Spring washers [4 pcs.] (5) Bolts [4 pcs.] 2585B (Continued on next page) BAS-341H, BAS-342H...
  • Page 16: Tilting Back And Returning The Machine Head

    If you hold at the place indicated by (b), your hand will get caught between the support lever (1) and the table when the machine head is returned to its original position and injury will result. Disengaging the stopper The machine head can be tilted back and returned to one of three heights. Engaging the stopper 3967M BAS-341H, BAS-342H...
  • Page 17: Installing The Gas Spring

    (18) Set screw * After installing the gas spring (8), gently return the machine head to its original position. (Refer to "3-5. Tilting back and returning Note that the L and R the machine head".) shapes are different. 2915B BAS-341H, BAS-342H...
  • Page 18: Installing The Lcd Panel

    (PANEL) connector (9) on the side of the control box. ・ Tighten the four wood screws (3) so that the thickness of the rubber cushion (2) is 5 mm. 3574B BAS-341H, BAS-342H...
  • Page 19: Installing The Solenoid Valve Assembly

    (4) and air hose (2). 4. Open the cock (1). (The meter pointer will turn clockwise.) NOTE: Turn the cock (1) gently to open it. 5. Adjust the air pressure. (Refer to "7-18. Adjusting the speed controller".) 2564B BAS-341H, BAS-342H...
  • Page 20: Installing The Two-Pedal Foot Switch

    ・ Check that the connector is facing the correct way, and then insert it firmly until it locks into place. ・ Secure the cables with cable ties and cord clamps, while being careful not to pull on the connector. 3568B BAS-341H, BAS-342H...
  • Page 21 P36, P9(HEAD) (2) (3) Fan [6-pin] P7 (SENSOR2) (2) (3) NOTE: Route the X, Y and work clamp pulse motor harnesses so that they do not touch the power supply P.C. board at the bottom of the control box. BAS-341H, BAS-342H...
  • Page 22 Close the cord presser plate (6) securely so that no foreign objects, insects or small animals can get inside the control box. 6. Check that the cords do not get pulled, and then gently return the machine head to its original position. 3538B BAS-341H, BAS-342H...
  • Page 23 3. INSTALLATION <LCD panel> (PANEL) Connector D-sub connector LCD panel [9-pin] (PANEL) 3578B BAS-341H, BAS-342H...
  • Page 24: Connecting The Ground Wire

    (2) Ground wires from two-pedal foot switch harnesses (2 wires) • 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-341H, BAS-342H...
  • Page 25: Securing The Cords And Air Tubes

    5. Secure the cover of the control box by tightening the eight screws (5). Check that the cords are not clamped by the cover at this time. 3600B BAS-341H, BAS-342H...
  • Page 26: Connecting The Power Cord

    • Take care when tapping in the staples (3) to make sure that they do not pierce the cords. • Do not use extension cords, otherwise machine operation problems result. Control 3673B Green and yellow wire (ground wire) BAS-341H, BAS-342H...
  • Page 27 3. Use the eight screws to tighten the cover of the control box. Check that none of the cords are being clamped by the cover at this time. Green and yellow wire (ground wire) BAS-341H, BAS-342H...
  • Page 28 3. Use the eight screws to tighten the cover of the control box. Check that none of the cords are being clamped by the cover at this time. Green and yellow wire (ground wire) 3675B BAS-341H, BAS-342H...
  • Page 29: Installing The Eye Guard

    (1) to secure it in place. 3048B 3-17. Installing the cotton stand (1) Cotton stand NOTE: Securely tighten the nut (3) so that washers securely clamped so that the cotton stand (1) does not move. 3533B BAS-341H, BAS-342H...
  • Page 30: Lubrication

    ・ Use only the lubricating oil <JX Nippon Oil & Energy Corporation Sewing Lube N10; 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 31: Checking The Machine Head Switch

    3. Push down the right side of the machine head switch (1) so that the machine head switch (1) turns on, and then tighten the two screws (2). 4. Turn on the power and check that no error numbers are displayed. 3989M BAS-341H, BAS-342H...
  • Page 32: Preparation Before Sewing

    When the work clamp switch (left side) is depressed, the 3991M intermittent presser foot (1) and the work clamp (2) are lowered, and when the start switch (right side) is then depressed, the sewing machine starts operating. Work clamp switch Start switch 3502B BAS-341H, BAS-342H...
  • Page 33: Threading The Upper Thread

    If it is too long, the thread may become tangled, and if it is too short, the thread may pull out at the sewing start. • If you would like to adjust the sensitivity of the thread breakage sensor, refer to "7-1. Adjusting the sensitivity of the thread breakage sensor”. BAS-341H, BAS-342H...
  • Page 34 • The tension discs will open. Threading the thread. Ending threading mode Touch the OK key on the screen. The display will return to the previous screen. • The work clamp will return to where it was before threading mode was started. BAS-341H, BAS-342H...
  • Page 35: Winding The Lower Thread

    10. Remove the bobbin, hook the thread onto the knife (3), and then pull the bobbin in the direction of the arrow to cut the thread. 3587B 11. Touch the OK key to return to the previous screen. 3550B BAS-341H, BAS-342H...
  • Page 36: 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-341H, BAS-342H...
  • Page 37: Thread Tension

    Adjust the thread tension to the weakest possible tension by turning the thread tension nut (1) until the bobbin case will not drop by its own weight while the thread end coming out of the bobbin case is held. Stronger Weaker 2536Q BAS-341H, BAS-342H...
  • Page 38: Upper Thread Tension

    42 mm. Stronger Weaker 3598B [Sewing operation screen] Setting the tension value △ ▽ Touch the keys (2) on the sewing operation screen to increase or decrease the Tension value. BAS-341H, BAS-342H...
  • Page 39: Starting Up

    No programs are registered at the time of shipment from the factory, and so "---" is displayed as the program number (No.). For details on the sewing data reading method, refer to "3. USING STORAGE MEDIA" in the "LCD Panel/Operation Panel" Instruction Manual". BAS-341H, BAS-342H...
  • Page 40: Setting 2-Step Operation For The Work Clamp

    2. With the work clamp (1) raised, loosen the wing screw (2). 3. Move the work clamp stopper (3) to its highest position, and then tighten the wing screw (2) to secure the work clamp stopper (3) in place. 4011M BAS-341H, BAS-342H...
  • Page 41: Sewing

    Use a work clamp which will hold the material securely so that it does not slip. If the material slips when using the standard work clamp and feed plate, process them so that the material does not slip. 3486B BAS-341H, BAS-342H...
  • Page 42: Using The Stop Switch

    3655B <Returning to the sewing start position without continuing sewing> If you do not wish to continue sewing, touch "No" (4). ・After home position detection is carried out, the mechanism will return to the sewing start position. BAS-341H, BAS-342H...
  • Page 43: Cleaning

    4024M 6-2. Draining the oil 1. Remove and empty the oiler (1) whenever it is full. 2. After emptying oiler (1), screw it back into its original position. 4025M BAS-341H, BAS-342H...
  • Page 44: Cleaning The Regulator

    6-6. 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. 3494B 6-7. Lubrication Lubricate the sewing machine while referring to "3-18. Lubrication". BAS-341H, BAS-342H...
  • Page 45: Standard Adjustments

    In addition, do not subject the machine head to extra Ask your Brother dealer or a qualified electrician to force while it is tilted back. If this is not observed, the carry out any maintenance and inspection of the machine head may become unbalanced and fall electrical system.
  • Page 46: Thread Take-Up Spring

    R (1) to the left. (The thread take-up amount will become greater.) Index mark ・ When sewing light-weight material, move the arm thread guide R (1) to the right. (The thread take-up amount will become smaller. 3497B BAS-341H, BAS-342H...
  • Page 47: Adjusting The Needle Bar Height

    * If using a DP X 5 needle, align with the reference line b which is the second reference line from the top. 2. Loosen the bolt (3). 3. Move the driver (4) sideways so that the tip of the rotary hook is aligned with the middle of the needle, and then tighten the bolt (3). BAS-341H, BAS-342H...
  • Page 48: Adjusting The Driver (Needle Guard) Position

    If the shuttle race thread guide (1) is in the wrong position, thread breakages, soiled thread or tangling of the thread may occur. The position of the shuttle race thread guide (1) is adjusted at the time of shipment from the factory. It should not be changed if possible. BAS-341H, BAS-342H...
  • Page 49: Rotary Hook Lubrication Amount

    ・ If the position of the sub-tank (4) is lowered, the lubrication amount will decrease. Return the machine head to its original position. Install the X motor cover (2) with the four screws (1). 4038M BAS-341H, BAS-342H...
  • Page 50: Adjusting The Position Of The Movable Knife

    Move the movable knife connecting plate (10) back and forth to adjust so that the distance from the ridge on the right side of the needle plate to the ridge on the movable knife (9) is 9.5 to 9.9 mm. After tightening the bolt (8), check the above position once more. BAS-341H, BAS-342H...
  • Page 51 (4), and then check that the driving lever (5) returns smoothly to its original position when it is released. Check that there is a gap of about 0 - 1 mm between the outside of the hole in the movable knife (9) and the ridge line on the shuttle race thread guide (13). BAS-341H, BAS-342H...
  • Page 52: 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. Install the feed plate (2). (Refer to the next page.) BAS-341H, BAS-342H...
  • Page 53: Installing The Feed Plate

    2 mm and the tip of the thread wiper (2) is approximately 3 mm from the center of the needle when the thread wiper (2) passes below the needle during operation NOTE: Check that the thread wiper (2) does not touch the finger guard (6). BAS-341H, BAS-342H...
  • Page 54: Intermittent Presser Foot Installation Position

    (Refer to the next page.) Installation position Intermittent presser foot stroke range 2 - 4.5mm 4.5 - 10mm (Intermittent presser foot does not move up and down) 5012Q BAS-341H, BAS-342H...
  • Page 55 <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-341H, BAS-342H...
  • Page 56: Adjusting The Work Clamp Lift Amount

    7-17. Adjusting the air pressure Lift up the handle (2) of the regulator (1) and then turn it to adjust the air pressure to 0.5 MPa After adjustment is complete, push the handle (2) downward to lock it. 2565B BAS-341H, BAS-342H...
  • Page 57: Adjusting The Speed Controller

    8 turns Fully tighten and then loosen Upper knob Valve 2 by 5 turns Lower knob Fully tighten Valve 1 You can operate the work clamp when the power is turned off by pressing the manual buttons (1). 2566B BAS-341H, BAS-342H...
  • Page 58: If Processing The Work Clamps And The Feed Plate To A Shape That Matches The Sewing Pattern

    Process the work clamp and feed plate which match the sewing pattern, while referring to the processing diagram below. Values in ( ) are the recommended sizes when sewing using the maximum area (BAS-341H: 250x160 mm, BAS-342H: 300x200 mm) BAS-341H <Work clamp processing diagram>...
  • Page 59 7. STANDARD ADJUSTMENTS BAS-342H <Work clamp processing diagram> Center of sewing area 3525B <Feed plate processing diagram> Recommended thickness 1.5 mm Center of sewing area [mm] 3526B BAS-341H, BAS-342H...
  • Page 60: List Of Error Codes

    Touch panel was being touched when power was turned on. E064 Release the touch panel. A key on the LCD panel was still being pressed when the power was turned on, or key is faulty. E065 Release the key. BAS-341H, BAS-342H...
  • Page 61 Turn off the power, and then check the upper shaft motor. E150 (When sewing data with a small number of stitches (15 stitches or less) is sewn repeatedly (short cycle operation), the upper shaft motor may overheat and the “E150” error code may be generated.) BAS-341H, BAS-342H...
  • Page 62 Turn off the power, and then check if there are any problems in the work clamp vertical direction. Turn off the power, and then check that connectors P19 and P23 on the main P.C. board are properly connected. BAS-341H, BAS-342H...
  • Page 63 The program number is invalid or it has no corresponding data. Check that data for this program number is E471 present in the internal memory. Internal memory is full and copying is not possible. E474 Press the RESET key to clear the error. Clear the sewing data. BAS-341H, BAS-342H...
  • Page 64 Turn off the power, and then check that connectors P9 and P36 on the main P.C. board are properly connected. Problem with the lower thread detector. E670 Turn off the power, and then check the lower thread detector. BAS-341H, BAS-342H...
  • Page 65 Version updating could not be carried out. Turn off the power, and then turn it back on again. E890 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-341H, BAS-342H...
  • Page 66: Troubleshooting

    Thread wiper does not P. 44 thread wiper. operate correctly. Adjust the operating stroke of the Thread wiper position is incorrect. P. 44 thread wiper. (Continued on next page) (*1) Refer to the “LCD Panel/Operation Panel” Instruction Manual. BAS-341H, BAS-342H...
  • Page 67 Material is flapping. Process the work clamp and the feed P. 49 plate into shapes that can hold the P. 50 material near the seam. Adjust the intermittent height of the (*1) intermittent presser foot. (Continued on next page) BAS-341H, BAS-342H...
  • Page 68 Refer to "Skipped stitches occur". P. 58 being skipped. Lower thread is not cut. Lower thread tension is too weak. Increase the lower thread tension. P. 28 (Continued on next page) BAS-341H, BAS-342H...
  • Page 69 If using a heavy work clamp and feed plate, change the operation settings to Work clamp and feed plate are too Pattern is distorted. the settings for heavy-weight materials. heavy. Ask the place of purchase for details on the setting method. BAS-341H, BAS-342H...
  • Page 70 INSTRUCTION MANUAL * Please note that the contents of this manual may differ slightly from the actual product purchased as a result of product improvements. © 2015 Brother Industries, Ltd. All Rights Reserved. BAS-341H, BAS-342H I5081061B E This is the original instructions.

This manual is also suitable for:

Bas-342h