Brother PROGRAMMABLE ELECTRONIC PATTERN SEWER Replacing the bobbin case and threading the thread

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5. CORRECT USE

5-5. Replacing the bobbin case and threading the thread

CAUTION

If the power switch needs to be left on when carrying out replacing the bobbin, be extremely careful to observe all safety precautions.

The machine may operate if the foot switch is depressed by mistake, which could result in injury. (ex. Continuing sewing from a stopping point)

 

 

(2)

 

 

 

 

 

 

 

 

 

(3)

 

(4)

30 mm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1936S

0110Q

1202S

1.Pull the shuttle race cover (1) forward and then open the cover.

2.Lift the bobbin case latch and remove the bobbin case.

3.Insert a new bobbin into the bobbin case, and then pass the thread through the slot (2) and pull it out from the thread hole (3). Check that the bobbin turns in the direction of the arrow when the thread is pulled at this time.

4.Pass the thread through the lever thread hole (4), and then pull out approximately 30 mm of thread.

5-6. Sewing conditions and thread tension

5-6-1. Sewing conditions

Specifications

For heavy materials

For medium materials

 

 

 

Upper thread

# 20 or equivalent

# 50 or equivalent

 

 

 

Lower thread

# 20 or equivalent

# 60 or equivalent

 

 

 

Upper thread tension (N)

1.5 - 2.0

0.5 - 1.0

 

 

 

Lower thread tension (N)

0.2 - 0.4

0.2 - 0.4

 

 

 

Thread take-up spring height

8 - 10 mm

6 - 8 mm

 

 

 

Thread take-up spring tension(N)

1.5 - 2.0

0.4 - 0.6

 

 

 

Needle

DP X 17 # 21

DP X 5 # 16

 

 

 

Normal sewing speed

2000 rpm

2000 rpm

 

 

 

The sewing conditions given in the above table may need to be changed depending on the article being sewn.

BAS-341F, 342F

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Contents BAS-341F BAS-342F Safety indications and their meanings Safety InstructionsEnvironmental requirements InstallationMaintenance and inspection CleaningSewing 1971S Contents Changing Special Functions BAS-341F Name of Each PartsBAS-342F Needle SpecificationsPreparation Before setting upTilting the sewing machine head PositioningInstalling the foot switch Connecting the ground wireBelt 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 Before starting sewing SewingSewing operation 1942S Cleaning the shuttle hook Maintenance and InspectionLubrication 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 driver needle guard Adjusting the needle clearanceAdjusting 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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