Brother BAS-341F, BAS-342F, 342Fi instruction manual Lower thread tension Upper thread tension

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5. CORRECT USE

5-6-2. Lower thread tension

5-6-3. Upper thread tension

Weaker

(1)

Stronger

Stronger Weaker

0112S

Weaker

Stronger

1937S

Set the lower thread tension to as weak a tension as possible and so that the bobbin case drops by its own weight when the end of the thread is held. Turn the adjusting screw (1) to adjust the tension.

Note

If the lower thread tension is too weak, it may not be possible to cut the lower thread properly during thread trimming.

5-6-4. Thread take-up spring height

Lower

Higher

1938S

Loosen screw (4) and turn the entire thread take-up unit to adjust so that the height of the thread take-up spring is 8 - 10 mm

Turn the tension nut (2) (main tension) to adjust the tension as appropriate for the material being sewn.

Furthermore, turn the thread nut (3) (sub-tension) to adjust the remaining length of upper thread to 35 - 40 mm.

5-6-5. Thread take-up spring tension

Stronger

Weaker

1939S

Adjust the thread take-up spring tension by turning the tension stud (5) with a screwdriver.

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BAS-341F, 342F

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Contents BAS-341F BAS-342F Safety Instructions Safety indications and their meaningsInstallation Environmental requirementsSewing CleaningMaintenance and inspection 1971S Contents Changing Special Functions BAS-342F Name of Each PartsBAS-341F Specifications NeedleBefore setting up PreparationPositioning Tilting the sewing machine headBelt tension Connecting the ground wireInstalling the foot switch Installing the spool stand Installing the programmer optionAdjusting the air pressure Lubrication Lubrication pointsInstalling the needle and running the sewing machine Correct USESelecting the needle and thread To turn the pulley by handThreading the upper thread Winding the lower thread Replacing the bobbin case and threading the thread Sewing conditions and thread tensionLower thread tension Upper thread tension Pretension tension Using the Operation Panel Explanation of panelIndicator Switch Using the floppy disk Compatible types of floppy diskSetting the floppy disk How to use the cleaning diskUsing the program R/W Read/Write switch If an error message is displayedClearing the error To Read a pattern to memoryUsing the Test switch Checking the sewing pattern Resuming operation from a stopping poingUsing the emergency stop switch Continuing sewing from a stopping pointAdjusting the sewing Speed control Changing the X-SCALE and Y-SCALE settingsUsing the bobbin thread counter Using production counter Using single split mode Shifting a stitch pattern Sewing operation SewingBefore starting sewing 1942S Lubrication Maintenance and InspectionCleaning the shuttle hook Cleaning the control box air inlet port Draining the oilCleaning the eye guard Checking the needleAdjusting the needle bar height Adjusting the needle bar lift amountAdjusting the shuttle race thread guide Adjusting the needle clearanceAdjusting the driver needle guard Adjusting the movable knife Replacing the movable and fixed knivesMovable knife Presser foot adjustment Adjusting presser foot lift to 3 5mm Adjusting presser foot lift to 5 8 mmChanging the presser foot lift Standard presser foot lift is 3 mm max mmAdjusting the wiper Adjusting the needle up stop positionChecking the input sensor and DIP switch input Clearing all memory settings Checking the input voltageDIP Switch Panel DIP switch functionsFeeding 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 Memory switches 20 2F Extended option outputSwitch 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 Option Needle thread presser deviceAir 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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