Brother LK3-B448E instruction manual Contents

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CONTENTS

 

1. Name of each part

1

2. Specifications

2

2-1. Specifications

2

2-2. Program list

3

2-3. Optional parts

6

3. Installation

7

3-1. Power table

7

3-2. Installing the motor

8

3-3. Installing the motor pulley

8

3-4. Installing the control box

9

3-5. Installing the oil pan

10

3-6. Installing the cushions

10

3-7. Installing the machine head

11

3-8. Installing the head rest

11

3-9. Installing the liquid cooling tank, optional

12

3-10. Installing the vibrating bowl

12

3-11. Installing the control box (for vibrating bowl)

12

3-12. Installing the button feeder

13

3-13. Installing the shooter

13

3-14. Connecting the cords

14

3-15. Installing the button feeder cover

16

3-16. Installing the operation panel

17

3-17. Connecting the ground wire

17

3-18. Installing the V-belt

18

3-19. Installing the belt cover

19

3-20. Installing the foot switch

19

3-21. Installing the motor cover

20

3-22. Installing the spool stand

20

3-23. Installing the eye guard

20

3-24. Adjustment by the accessory spring

21

4. Lubrication

22

4-1. Lubrication points

22

4-2. Applying grease

23

4-3. Draining the oil

23

5. Operation

24

5-1. Name and function of each operation panel item

24

5-2. Operating procedure

26

5-2-1 . Setting the program number

26

5-2-2 . Setting the X-scale and Y-scale

26

5-2-3 . Setting the sewing speed

26

5-3. Operating the button feeder

27

5-4. Operating the vibrating bowl

27

6. Checking the sewing pattern

28

7. Correct use

29

7-1. Selecting the needle and thread

29

7-2. Installing the needle

29

7-3. Threading the upper thread

29

7-4. Winding the lower thread

30

7-5. Replacing the bobbin case and threading the thread

31

7-6. Thread tension reference guide

31

7-6-1. Lower thread tension

31

7-6-2. Upper thread tension

31

7-6-3. Thread take-up spring height

32

7-6-4. Thread take-up spring tension

32

7-6-5. Adjusting arm thread guide R

32

7-6-6. Thread take-up amount

32

LK3-B448E MARKII/BA-16

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Contents LK3-B448E Symbols IndicationsLightning may cause problems with correct operation Environmental requirementsSewing IiiLK3-B448E MARKII/BA-16 Contents Changing functions using the DIP switches Name of each part Name of each partSpecifications SpecificationsSpecifications NeedleProgram list Specifications Program No Optional parts Installation Power tableInstallation Installing the motor Installing the motor pulleyInstalling the control box Installing the oil pan Installing the cushionsInstalling the machine head Installing the head restInstalling the liquid cooling tank, optional Installing the vibrating bowlInstalling the control box for vibrating bowl Installing the button feeder Installing the shooterConnecting the cords P11Installation Button feeder connection Control box for vibrating bowl connectionInstalling the button feeder cover Installation Power switch connectionPower switch connector control box Installing the operation panel Connecting the ground wireInstalling the V-belt Installing the belt cover Installing the foot switchInstalling the motor cover Installing the spool stand Installing the eye guardAdjustment by the accessory spring Lubrication Lubrication pointsLubrication Applying grease Draining the oilOperation Name and function of each operation panel itemOperation S E TY-SCALE Setting the X-scale and Y-scale Operating procedureSetting the program number Setting the sewing speedOperating the button feeder Operating the vibrating bowlChecking the sewing pattern When checking by operating only the feed mechanismTo ensure safety during use Checking the sewing patternSelecting the needle and thread Installing the needleCorrect use Threading the upper threadWinding the lower thread Replacing the bobbin case and threading the thread Thread tension reference guideLower thread tension Upper thread tension Adjusting arm thread guide R Thread take-up amountSewing SewingBefore starting sewing Cleaning the control box air inlet port Maintenance and inspectionCleaning the rotary hook Maintenance and inspectionCleaning the eye guard Wipe the eye guard clean with a soft clothChecking the needle Adjustments AdjustmentsTileing back the machine head Adjusting the needle bar height Adjusting the needle bar lift amountAdjusting the driver needle guard Adjusting the needle clearanceAdjusting the shuttle race thread guide Adjusting the thread take-up amount Adjusting the movable knifeAdjustments Replacing the movable knife and fixed knife Adjusting the button clamp lift amount Adjusting the holding pressure Adjusting the position of the button holderAdjustment Adjusting the button clamp height Adjusting the needle up stop position Adjusting the thread wiperAdjusting the vibrating bowl If buttons are not fed properly, check the followingAdjustment for excess buttons in the button shooter Button replacement Button clamp adjustmentAdjustment Adjustment when the button thickness changes Adjusting the button carrier plateIf button hole arrangements differ Adjustment Adjusting the feeder position adjustment Button hole gap Adjustment Adjusting the needle locationHorizontal feed position Vertical feed positionReplacement the V-belt Sewing machine Belt Checking the input sensor and DIP switch input P1 P2 P3 P4Checking the input voltage Moving stitch patterns Using the production counter Using the countersUsing the bobbin thread counter Using the countersRecording a user program Using user programsUsing user programs P1 P2Using user programs Using a user program Clearing the user programsPress the P1 switch o Using the cycle sewing functionUsing the cycle sewing function Recording a cycle sewing programUsing the cycle sewing function Using a cycle sewing program Clearing a cycle sewing programSetting the presser mode Changing functions using the DIP switchesOperation panel DIP switches Changing functions using the DIP switchesDIP switches inside the control box Memory switches 00 0F Clearing all memory settingsChanging special functions using the memory switches P1 P2 P3 P4Memory switches 20 2F Memory switches 30 4FTable of error codes Table of error codesErrors generated when optional equipment is connected Segment LED alphabetPanel display Text display LK3-B448E MARKII/BA-16 Troubleshooting Troubleshooting40,46 Needle drops into Hole of the button15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone

LK3-B448E specifications

The Brother LK3-B448E is a versatile and innovative sewing machine designed to meet the needs of both home sewers and professionals alike. This comprehensive machine is especially advantageous for users who want to experiment with intricate designs and achieve high-quality results with ease.

At the core of the LK3-B448E lies its advanced computerized technology, which facilitates a seamless sewing experience. The machine features a user-friendly interface, making it accessible for not just experienced sewists but also beginners. The LCD display provides clear visibility of settings, stitch patterns, and design options, ensuring that users have full control over their projects.

One of the standout features of the LK3-B448E is its extensive library of built-in stitch patterns. With over 100 different stitches to choose from, including decorative, utility, and quilting stitches, users can easily customize their sewing to suit any project. In addition to the built-in stitches, this machine supports the use of embroidery patterns and designs, expanding creative possibilities significantly.

The LK3-B448E also incorporates advanced sewing technologies, such as automatic needle threading and a drop-in bobbin system. These features simplify the setup process, allowing users to spend more time sewing and less time managing technicalities. Furthermore, the machine offers adjustable stitch length and width, enabling personalized settings that cater to various fabric types and sewing tasks.

Another remarkable characteristic of the LK3-B448E is its adjustable presser foot pressure. This allows for better control, whether working with delicate fabrics or thicker materials. The machine’s speed controls help manage sewing speed, providing additional comfort for users as they tackle intricate patterns or detailed designs.

The LK3-B448E also supports USB connectivity, enabling users to transfer new designs and updates effortlessly. This feature ensures that the machine remains relevant with cutting-edge patterns and functionalities, extending its lifespan and usability.

In conclusion, the Brother LK3-B448E combines user-friendly design with advanced technology, offering a comprehensive sewing experience. Its extensive features, coupled with customizable settings, make it an ideal choice for both novice and experienced users looking to enhance their sewing projects. With the LK3-B448E, creating beautiful garments and intricate designs is a straightforward and enjoyable process.
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