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

Page 48

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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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 Operating procedure Setting the program numberSetting the X-scale and Y-scale Setting the sewing speedOperating the button feeder Operating the vibrating bowlWhen checking by operating only the feed mechanism To ensure safety during useChecking the sewing pattern Checking the sewing patternInstalling the needle Correct useSelecting the needle and thread 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 Maintenance and inspection Cleaning the rotary hookCleaning the control box air inlet port 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 Adjustment Adjusting the needle location Horizontal feed positionButton hole gap 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 counters Using the bobbin thread counterUsing the production counter Using the countersUsing user programs Using user programsRecording a user program P1 P2Using user programs Using a user program Clearing the user programsUsing the cycle sewing function Using the cycle sewing functionPress the P1 switch o Recording a cycle sewing programUsing the cycle sewing function Using a cycle sewing program Clearing a cycle sewing programChanging functions using the DIP switches Operation panel DIP switchesSetting the presser mode Changing functions using the DIP switchesDIP switches inside the control box Clearing all memory settings Changing special functions using the memory switchesMemory switches 00 0F 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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