Brother LK3-B448E instruction manual Connecting the cords, P11

Page 21

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

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Contents LK3-B448E Indications SymbolsEnvironmental requirements Lightning may cause problems with correct operationIii SewingLK3-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 pulley Installing the motorInstalling the control box Installing the cushions Installing the oil panInstalling the head rest Installing the machine headInstalling the liquid cooling tank, optional Installing the vibrating bowlInstalling the control box for vibrating bowl Installing the shooter Installing the button feederP11 Connecting the cordsControl box for vibrating bowl connection Installation Button feeder connectionInstalling the button feeder cover Installation Power switch connectionPower switch connector control box Connecting the ground wire Installing the operation panelInstalling the V-belt Installing the foot switch Installing the belt coverInstalling the spool stand Installing the eye guard Installing the motor coverAdjustment by the accessory spring Lubrication Lubrication pointsLubrication Draining the oil Applying greaseOperation Name and function of each operation panel itemOperation S E TY-SCALE Setting the program number Operating procedureSetting the X-scale and Y-scale Setting the sewing speedOperating the vibrating bowl Operating the button feederTo ensure safety during use When checking by operating only the feed mechanismChecking the sewing pattern Checking the sewing patternCorrect use Installing the needleSelecting 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 Thread take-up amount Adjusting arm thread guide RSewing SewingBefore starting sewing Cleaning the rotary hook Maintenance and inspectionCleaning 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 lift amount Adjusting the needle bar heightAdjusting the driver needle guard Adjusting the needle clearanceAdjusting the shuttle race thread guide Adjusting the movable knife Adjusting the thread take-up amountAdjustments 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 thread wiper Adjusting the needle up stop positionIf buttons are not fed properly, check the following Adjusting the vibrating bowlAdjustment for excess buttons in the button shooter Button clamp adjustment Button replacementAdjustment Adjustment when the button thickness changes Adjusting the button carrier plateIf button hole arrangements differ Adjustment Adjusting the feeder position adjustment Horizontal feed position Adjustment Adjusting the needle locationButton hole gap Vertical feed positionReplacement the V-belt Sewing machine Belt P1 P2 P3 P4 Checking the input sensor and DIP switch inputChecking the input voltage Moving stitch patterns Using the bobbin thread counter Using the countersUsing the production counter Using the countersUsing user programs Using user programsRecording a user program P1 P2Clearing the user programs Using user programs Using a user programUsing the cycle sewing function Using the cycle sewing functionPress the P1 switch o Recording a cycle sewing programClearing a cycle sewing program Using the cycle sewing function Using a cycle sewing programOperation panel DIP switches Changing functions using the DIP switchesSetting the presser mode Changing functions using the DIP switchesDIP switches inside the control box Changing special functions using the memory switches Clearing all memory settingsMemory switches 00 0F P1 P2 P3 P4Memory switches 30 4F Memory switches 20 2FTable 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 Hole of the button Needle drops into15-1, 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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