3. Installation

3-14. Connecting the cords

P8

P1

P2

P3

 

 

 

 

P4

 

 

 

 

P5

 

 

 

 

P6

 

 

P11

 

P7

 

 

 

 

 

Machine head connectors

 

Connection location on circuit board

 

 

 

Connection location

No. of pins

Cord mark

 

 

 

 

 

 

 

X, Y, Sewing sensor

12-pin

z

P1

(ORG2)

 

 

 

 

 

Synchronizer

5-pin

x

P2

(SYNCHRO)

 

 

 

 

 

Machine specification

8-pin

c

P3

(SELECT)

select connector

 

 

 

 

 

 

 

 

 

Thread take-up solenoid

5-pin

v

P4

(SOL2)

 

 

 

 

 

Presser solenoid

4-pin

b

P5

(SOL)

Thread trimmer solenoid

 

 

 

 

Pulse motor, Y

4-pin (blue)

n

P6

(YPM)

 

 

 

 

 

Pulse motor, X

4-pin

m

P7

(XPM)

 

 

 

 

 

Operation panel

26-pin

None

P8

(PANEL)

 

 

 

 

Upper shaft motor

3-pin

None

P11 (UVW)

 

 

 

 

BA16

1-pin

None

P14

 

 

 

 

BA16

16-pin

None

P15

 

 

 

 

 

1.Gently tilt back the machine head.

NOTE:

After tilting back the machine head, do not push the face side or the pulley side from above.

2.Pass the cords q through the hole w in the work table.

3.Gently return the machine head to its original position.

4.Remove the six screws e, and then open the control box cover (main P.C. board mounting plate r).

NOTE:

When opening the cover, hold it securely so that it does not fall down.

5.Loosen the two screws t, and then open the cord presser plate y in the direction of the white arrow and pass the cords q through the opening.

6.Loosen the screw o, and then attach the ground cord u for the machine head and the ground cord i for the operation panel as shown in the illustration.

7.Loosen the screw !1, and then attach the ground cord !0for the upper shaft motor as shown in the illustration.

8.Securely connect connectors P1 to P8 and P11 as indicated in the table.

9.Secure the cords q with the cord clamps !2and !3.

10.Close the cord presser plate y in the direction of the black arrow, and secure it by tightening the screws t.

NOTE:

Check that the cords do not get pulled when the machine head is tilted back gently. 11. Tighten the cover (main P.C. board mounting plate r) with the six screws e.

LK3-B448E MARKII/BA-16

14

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Image 21
Brother LK3-B448E instruction manual Connecting the cords, P11

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.