Brother BAS-311G service manual Install so that the backlash is 0.01

Page 76

6. ASSEMBLY

Install so that the backlash is 0.01 – 0.05.

5180Q

Install so that the backlash is 0.01 – 0.05.

53. X-feed motor assy

54. Bolts with washer [3 pcs] (Temporarily tighten)

55. Y-feed motor L assy

56. Bolts with washer [3 pcs] (Temporarily tighten)

57. Y belt cover

58. Screws with washer [4 pcs]

59. Oil cover

60. Screws [5 pcs]

61. Flat screws [3 pcs]

5181Q

BAS-311G, BAS-326G

69

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Page 75 Page 77
Contents BAS-311G BAS-326G Safety Instructions Environmental requirements Sewing Iii5222Q 4905Q Contents Table of Error Codes Specifications Function Settings List of special functions when power is turned onWhen Speed indicator is illuminated List of advanced functionsMemory switch setting method Advanced Memory switches that have been changed fromDefault settings Ending setting modeList of memory switch settings OFFWork clamp settings For solenoid specifications 1 pedalFor pneumatic specifications 2 pedal For solenoid specifications051 Sewing machine motor settings Feed settings Operation panel settings User program settingsData editing settings Device settings554 Thread breakage detector Maintenance settings Error processing settingsSpecifications and destination settings Setting the work clamp mode Unique machine settingsSolenoid specifications, single pedal standard operations Solenoid specifications, single pedal sequence operationPneumatic specifications, 2 pedal standard operations Pneumatic specifications, 2 pedal sequence operationStitch counter checking method Clearing the cumulative number of stitchesError history checking method Input checking method Input check listSele On / oFF Option input IN10 Output checking method CUt Software version checking method Reading / Writing Data Handling dataStructure of a CF card folder \ISMS0102.SEWTurn on the power switch Switch to data read/write mode Data read/write modeRead/write mode list End data read/write mode When memory switch No is onReading sewing data from CF cards Select the w 2 data read/write mode Writing sewing data to CF cardsReading memory switch data from CF cards Writing memory switch data to CF cardsReading user program data from CF cards Writing user program data to CF cardsUpdating the control program Reading sewing data from floppy disks Writing error log data to CF cardInsert the floppy disk into the floppy disk drive Writing sewing data to floppy disks Reading extended option output data from a CF card Writing extended option output data to CF cards Reading extended option output data from floppy disksNeedle bar and thread take-up mechanisms Lower shaft and shuttle race mechanismsWork clamp lifter mechanism Solenoid specifications Work clamp lifter mechanism Pneumatic specifications Intermittent presser foot lifter mechanismIntermittent presser foot stroke mechanism Feed mechanism DirectionThread trimmer mechanism Tension release mechanism Thread wiper mechanismDisassembly Covers5090Q Pneumatic specifications Work clamp arm mechanismPresser bar Pull downward from presser bar clamp Needle bar mechanism Upper shaft mechanism Lower shaft mechanism Feed covers 5103Q 5104Q 5106Q 5107Q 5118Q Work clamp lifter link Pull backward 5109Q Tension bracket assy Thread trimmer collar Shuttle hook mechanism Assembly Apply grease Stepping clamp lifter rod adjustment Index mark Work clamp lifter plate assy 5164Q 5168Q 5170Q 5171Q 5173Q Flat screws 8 pcs 5178Q Install so that the backlash is 0.01 GT belt tension adjustment 5184Q Inside X-LM guide installation Right Y-LM guide installationFeed bracket Needle plate 5140Q 4644Q Inside hole Inside hole Cut section 5195Q 5198Q 5199Q 5144Q Mating mark Movable knife 5201Q 5200Q Retainer adjustment Work clamp height adjustment Solenoid specificationsWork clamp height adjustment Pneumatic specifications Work clamp adjustment5153Q Shuttle race cover assy Motor cover L Adjustment Checking the machine head switchStandard thread tension Thread take-up spring height Thread take-up spring tensionAdjusting the needle bar lift amount Adjusting the needle bar heightAdjusting the driver needle guard Adjusting the shuttle race thread guide Adjusting the needle clearanceRotary hook lubrication amount Adjusting the position of the movable knife 4950Q 5237Q 5238Q Replacing the movable and fixed knives Installing the feed plate End feed plate installation modeAdjusting the thread wiper Presser foot installation positionChanging the installation position of stepping clamp link a Changing the intermittent strokeStepping clamp connecting rod position adjustment Adjusting the work clamp lift amount Adjusting the air pressure pneumatic specificationsSolenoid specifications Pneumatic specificationsAdjusting the thread trimmer cam position Belt tension adjustment101 GT beltAdjustment Y-GT belt Adjusting the tension release amount102 Adjusting the backlash of the lower shaft gear 103Adjusting the home position 104Y feed home position 105106 Adjusting the needle up stop home position 107Adjustment method Adjusting the needle up stop position108 109 Precautions while carrying out adjustments 110Electric shocks InjuryInside the control box and operation panel structure 111Description of fuses 112Description of connectors 113114 Electrical Mechanism PMD P.C. board115 Feed mechanism 116Work clamp mechanism Thread trimming mechanism 117Sewing operations 118 OtherDescription of symbols Troubleshooting119 120 121 122 Before carrying out adjustment 123124 Fig. C OK if there is Continuity between125 Panel126 CN2 Main127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 Problem Cause Remedy Reference Upper thread breaks 142Lower thread breaks Needle is broken143 Segment Display 144I5060885B
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BAS-311G specifications

The Brother BAS-311G is a state-of-the-art industrial sewing machine designed specifically for advanced garment manufacturing. This high-speed, fully automated model is engineered to meet the demands of modern production environments, offering exceptional performance and versatility.

One of the key features of the BAS-311G is its automatic thread trimmer, which significantly reduces downtime and enhances productivity. This machine is capable of cutting the thread at the end of each seam, ensuring a clean finish and minimizing the need for manual intervention. This feature is especially beneficial in high-volume production settings where efficiency is paramount.

The BAS-311G also boasts an advanced automatic needle positioning system, allowing users to set the needle to stop in the up or down position. This functionality enhances control over the sewing process, making it easier to pivot and maneuver fabric, which is crucial for intricate designs and patterns. This precision is a boon for manufacturers looking to improve the quality of their finished products.

Another notable aspect of the BAS-311G is its versatility. The machine is equipped with an adjustable stitch length feature, enabling users to customize stitches according to specific project needs. This flexibility allows for the production of a wide range of garments, from delicate fabrics to thicker materials, making it suitable for various industries including fashion, sportswear, and workwear.

In terms of technology, the BAS-311G incorporates Brother's pioneering technology that ensures smooth and reliable operation. The machine includes a digital control panel, which simplifies the selection of stitch patterns and settings. Users can easily navigate through options, making adjustments on the fly, which is crucial in a fast-paced production environment.

Built with durability in mind, the BAS-311G is engineered for heavy-duty use with high-quality materials that withstand the rigors of daily operation. Its robust construction ensures longevity and sustained performance, making it a wise investment for businesses seeking reliable machinery.

In summary, the Brother BAS-311G is an excellent choice for manufacturers looking to enhance their sewing operations. With features such as automatic thread trimming, adjustable stitch lengths, and advanced technology integration, it stands out as a top-tier industrial sewing machine designed to improve efficiency and quality in garment production.
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