Brother PROGRAMMABLE ELECTRONIC PATTERN SEWER Turn the sub-tension nut To adjust the tension

Page 63

15. TROUBLESHOOTING

Problem

Cause

 

Check

 

 

 

Remedy

Page

 

 

 

 

Sharpen or replace the

 

Upper thread is not trimmed.

Thread jamming.

Poor seam finish on reverse side of material.

Fixed knife is blunt.

Movable knife does not pick up the thread.

The movable knife does not pick up the thread because of skipped stitches at the sewing end.

Movable knife position is incorrect.

Sub-tension is too weak.

Thread take-up spring tension and height are incorrect.

Incorrect needle and shuttle hook timing.

Shuttle race thread guide is not separating the threads.

Shuttle race thread guide is not separating the threads.

Upper thread is not properly tight.

Uneven upper thread length.

Fixed knife blade

Shuttle race thread guide position

Needle bar lift amount

Skipped stitches at sewing end

Movable knife position

Sub-tension

Thread take up spring tension and height

Needle bar lift amount

Shuttle race thread guide position

Shuttle race thread guide position

Upper thread tension

Upper thread length

fixed knife.

 

 

 

 

 

Adjust the position of the

33

shuttle race thread gudie.

 

 

 

 

 

Adjust the needle bar lift

32

amount.

 

 

 

 

 

Refer to “Skipped

 

stitches occur”.

 

 

 

 

 

Adjust the position of the

34

movable knife.

 

 

 

 

 

Turn the sub-tension nut

13

to adjust the tension.

 

 

 

 

 

Adjust the tension and

13

height of the thread take-

up spring.

 

 

 

Adjust the needle bar lift

32

amount.

 

 

 

 

 

Adjust the position of the

33

shuttle race thread guide.

 

 

 

 

 

Adjust the position of the

33

shuttle race thread guide.

 

 

 

 

 

Adjust the upper thread

13

tension.

 

 

 

 

 

Adjust the sub-tension.

13

 

 

 

Incorrect thread tightness.

Upper thread tension is too weak.

Lower thread tension is too weak.

Thread take-up spring tension and height are incorrect.

Upper thread tension

Lower thread tension

Thread take-up spring tension and height

Adjust the upper thread

13

tension.

 

 

 

 

 

Adjust the lower thread

13

tension.

 

 

 

 

 

Adjust the tension and

13

height of the thread take-

up spring.

 

BAS-341F, 342F

56

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Image 63
Page 62 Page 64
Contents BAS-341F BAS-342F Safety indications and their meanings Safety InstructionsEnvironmental requirements InstallationCleaning Maintenance and inspectionSewing 1971S Contents Changing Special Functions Name of Each Parts BAS-341FBAS-342F Needle SpecificationsPreparation Before setting upTilting the sewing machine head PositioningConnecting the ground wire Installing the foot switchBelt tension Installing the programmer option Installing the spool standAdjusting the air pressure Lubrication points LubricationTo turn the pulley by hand Installing the needle and running the sewing machineCorrect USE Selecting the needle and threadThreading the upper thread Winding the lower thread Sewing conditions and thread tension Replacing the bobbin case and threading the threadLower thread tension Upper thread tension Pretension tension Explanation of panel Using the Operation PanelIndicator Switch Compatible types of floppy disk Using the floppy diskHow to use the cleaning disk Setting the floppy diskTo Read a pattern to memory Using the program R/W Read/Write switchIf an error message is displayed Clearing the errorResuming operation from a stopping poing Using the Test switch Checking the sewing patternContinuing sewing from a stopping point Using the emergency stop switchChanging the X-SCALE and Y-SCALE settings Adjusting the sewing Speed controlUsing the bobbin thread counter Using production counter Using single split mode Shifting a stitch pattern Sewing Before starting sewingSewing operation 1942S Maintenance and Inspection Cleaning the shuttle hookLubrication Draining the oil Cleaning the control box air inlet portChecking the needle Cleaning the eye guardAdjusting the needle bar lift amount Adjusting the needle bar heightAdjusting the needle clearance Adjusting the driver needle guardAdjusting the shuttle race thread guide Replacing the movable and fixed knives Adjusting the movable knifeMovable knife Presser foot adjustment Standard presser foot lift is 3 mm max mm Adjusting presser foot lift to 3 5mmAdjusting presser foot lift to 5 8 mm Changing the presser foot liftAdjusting the needle up stop position Adjusting the wiperChecking the input sensor and DIP switch input Checking the input voltage Clearing all memory settingsPanel DIP switch functions DIP SwitchFeeding speed is switched to high speed DIP switches inside the control box DIP Switch Changing Special Functions and Using the Memory Switches Memory switches 00 0F Switch No When on Memo-10 Extended option output Memory switches 20 2FSwitch No Possible Units Error Codes Error codes E.9 * E.F Gauge Parts List According to Subclasses Plate blank Troubleshooting Incorrect needle and shuttle hook timing Turn the sub-tension nut To adjust the tension Adjust the sub tension Sharpen or Replace Fixed knife Needle thread presser device OptionAir wiper device 15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone

342Fi, BAS-341F, PROGRAMMABLE ELECTRONIC PATTERN SEWER, BAS-342F specifications

The Brother BAS-342F programmable electronic pattern sewer represents an innovative approach in the textile and garment manufacturing industry. This machine is designed to enhance productivity and precision in creating intricate designs and patterns on various fabrics. The BAS-342F, along with its counterparts BAS-341F and BAS-342i, integrates cutting-edge technology, making it ideal for both small-scale tailoring operations and large-scale manufacturing environments.

One of the main features of the BAS-342F is its electronic pattern programming capability. This allows operators to store and recall multiple sewing patterns and designs with ease. The machine's advanced digital control system facilitates quick changes between patterns, drastically reducing downtime. Users can program complex designs directly on the machine or through external devices, ensuring flexibility in production.

The BAS-342F is equipped with a high-speed sewing capability, reaching up to 5,000 stitches per minute. This high output is significant for businesses looking to optimize efficiency and meet production demands while maintaining quality. The model also incorporates automatic thread trimming and thread break detection systems, ensuring consistent results with minimal manual intervention.

In terms of user experience, the machine features an intuitive interface, making it accessible even for beginners. The digital display provides clear visibility of settings and adjustments, allowing for precise control over the sewing process. Ergonomically designed controls contribute to ease of use, ensuring operators can work efficiently without experiencing fatigue.

Moreover, the Brother BAS-342F utilizes a robust industrial-grade construction that guarantees durability and reliability in demanding manufacturing environments. Its versatility allows it to handle a variety of materials, from lightweight fabrics to heavier textiles, expanding its usability across different sewing applications.

Another key characteristic is the machine’s compatibility with various attachments and accessories, enabling users to enhance its capabilities further. Optional features might include specialized feet for more delicate fabrics or additional pattern options that can be integrated into the existing programming.

Overall, the Brother BAS-342F, along with its siblings, stands out for its combination of high speed, programmable functionality, and user-friendly design. As the fashion industry continues to evolve, machines like the BAS-342F play a crucial role in meeting the demands for creativity, efficiency, and quality in garment production. Investing in such advanced technology not only boosts productivity but also opens new avenues for creative expression in design.
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