10. Adjustments

10-7-2. Adjusting the engagement of the movable knife and fixed knife

 

 

 

 

 

 

Fig. 1

Movable knife

 

 

 

 

 

 

 

A

 

 

 

B

C

D

 

 

Cutting

 

 

Fix knife

 

edge

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Cutting

 

 

 

 

 

edge

 

 

 

Cutting

 

 

 

 

 

 

 

 

 

 

 

 

 

 

edge

 

 

 

 

 

 

 

Cutting

 

 

 

 

 

 

 

edge

A.After the movable knife and fixed knife are properly engaged, tighten the screw as shown in Fig.1.

B.Turn the movable knife (in the direction of the arrow) while the screw is still tightened.

C.Loosen the screw.

D.Turn the movable knife (in the direction of the arrow) while the screw is still loosened.

Repeat above steps A, B, C and D four or five times to maintain the cutting performance of the knife.

10-8 . Adjusting the button clamp lift amount

e

w

q

10mm

The button clamp lift amount is 10 mm from the top of the needle plate.

To adjust the button clamp lift amout, remove the button clamp presser spring q, loosen the screw w and adjust the button clamp holder hook e by moving it up and down.

*If movement is sluggish when the button clamp is being raised and lowered, it may not be possible to increase the button clamp lift amount.

*If the button clamp cannot be raised or lowered, error code [E-61], [E-63] will be displayed.

LK3-B448E MARKII/BA-16

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Brother LK3-B448E instruction manual Adjusting the button clamp lift amount
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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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