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Brother LK3-B448E Cleaning the eye guard, Checking the needle, Maintenance and inspection

Models: LK3-B448E

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9. Maintenance and inspection

9-3. Cleaning the eye guard

Wipe the eye guard clean with a soft cloth.

NOTE:

Do not use solvents such as kerosene or thinner to clean the eye guard.

9-4. Checking the needle

Always check that the tip of the needle is not broken and also the needle is not bent before starting sewing.

LK3-B448E MARK2/BA-16

Page 42

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Brother Cleaning the eye guard, Checking the needle, Maintenance and inspection, LK3-B448E MARK2/BA-16

Contents

Please keep this manual within easy reach for quick reference Please read this manual before using the machineBA-16 INSTRUCTION MANUAL LK3-B448EDANGER z Safety indications and their meaningsSymbols IndicationsInstallation Environmental requirementsDANGER Cleaning Maintenance and inspectionSewing c Warning labels The following warning labels appear on the sewing machineLK3-B448E MARKII/BA-16 5-2-3 . Setting the sewing speed 5-2-1 . Setting the program number5-2-2 . Setting the X-scale and Y-scale 7-6-5. Adjusting arm thread guide R15. Changing special functions using the memory switches 17. Adjustment guide refer to this guide1. Name of each part 1.Name of each part2. Specifications 2-1. Specifications2. Specifications 2-2. Program list 2. SpecificationsSewing patterns are limited as shown in the table below 2. Specifications 2 Do not use the button lifter spring2. Specifications 2 Do not use the button lifter spring2-3. Optional parts 2. Specifications3. Installation 3-1. Power table3. Installation 3. Installation 3-2. Installing the motor3-3. Installing the motor pulley 1 mm3-4. Installing the control box 3. Installation3-5. Installing the oil pan 3-6. Installing the cushions3. Installation 3-7. Installing the machine head 3-8. Installing the head rest3. Installation 3-11. Installing the control box for vibrating bowl 3-9. Installing the liquid cooling tank, optional3-10. Installing the vibrating bowl 3. Installation3-12. Installing the button feeder 3-13. Installing the shooter3. Installation 3-14. Connecting the cords 3. Installation3. Installation Button feeder connection Control box for vibrating bowl connectionConnect the ground wire from the vibrating bowl to the motor 3-15. Installing the button feeder cover 3. Installation Power switch connection3-16. Installing the operation panel 3-17. Connecting the ground wire3. Installation 3-18. Installing the V-belt 3. Installation3-19. Installing the belt cover 3-20. Installing the foot switch3. Installation 3-23 . Installing the eye guard 3-21 . Installing the motor cover3-22 . Installing the spool stand Attach all safety devices before using the3-24. Adjustment by the accessory spring 3. Installation4. Lubrication 4-1 . Lubrication points4-2. Applying grease 4-3. Draining the oil4. Lubrication P1 P2 P3 P4 POWER5 . Operation 5-1 . Name and function of each operation panel itemSPEED X-SCALER E S E TY-SCALE T E S T BOBBIN.WIND5-2-2 . Setting the X-scale and Y-scale 5-2 . Operating procedure5-2-1 . Setting the program number 5-2-3 . Setting the sewing speed5-3. Operating the button feeder 5-4. Operating the vibrating bowl5. Operation 6. Checking the sewing pattern When checking by operating only the feed mechanismTo ensure safety during use 6. Checking the sewing pattern7. Correct use 7-2 . Installing the needleswitch is depressed by mistake and serious injury could result 7-1 . Selecting the needle and threadBOBBIN.WIND 7-4 . Winding the lower threadpersonal injury or damage to the machine may result 7. Correct use7-6-1 . Lower thread tension 7-5. Replacing the bobbin case and threading the thread7-6 . Thread tension reference guide 7-6-2 . Upper thread tension7-6-4. Thread take-up spring tension 7-6-5. Adjusting arm thread guide R7-6-3 . Thread take-up spring height 7-6-6. Thread take-up amount8. Sewing Threading When replacing the bobbin and needleWhen not using the machine and when leaving the machine unattended 8. Sewing9. Maintenance and inspection 9-1. Cleaning the rotary hook9-2. Cleaning the control box air inlet port 9. Maintenance and inspection 9-3. Cleaning the eye guard9-4. Checking the needle Wipe the eye guard clean with a soft cloth10 . Adjustments 10-1 . Adjusting the needle bar height 10-2 . Adjusting the needle bar lift amount10. Adjustments 10-5 . Adjusting the shuttle race thread guide 10-3 . Adjusting the driver needle guard10-4 . Adjusting the needle clearance 10. Adjustments10-6.Adjusting the thread take-up amount 10-7 . Adjusting the movable knife10. Adjustments 10. Adjustments 10-7-1. Replacing the movable knife and fixed knife 10-8 . Adjusting the button clamp lift amount 10-7-2. Adjusting the engagement of the movable knife and fixed knife10. Adjustments 10-9. Adjusting the holding pressure 10-10. Adjusting the position of the button holder10. Adjustment 10-11. Adjusting the button clamp height 10. Adjustment10-12. Adjusting the needle up stop position 10-13. Adjusting the thread wiper10. Adjustment 10-14. Adjusting the vibrating bowl If buttons are not fed properly, check the following10. Adjustment 3. Press the manual switch to feed a button to the button clamp 10-15. Adjustment for excess buttons in the button shooter10. Adjustment Point ASlide base adjustment 10-16. Button replacement10-16-1. Adjustment when the button diameter is changed Button clamp adjustment10. Adjustment 10-16-2. Adjustment when the button thickness changes 10-16-4. Adjusting the button carrier plate10-16-3. If button hole arrangements differ 10. Adjustment 10-16-5. Adjusting the feeder position adjustment AUTO OFFq AUTOVertical feed position 10. Adjustment 10-16-6. Adjusting the needle locationHorizontal feed position A~B C~D10-17. Replacement the V-belt 10. Adjustmentbelt 10. Adjustment Sewing machine V-beltMotor Fig.1 10-18. Checking the input sensor and DIP switch input P1 P2 P3 P410. Adjustment POWER 10-19. Checking the input voltage10. Adjustment P1 P2 P3 P410-20. Moving stitch patterns 10. Adjustment11-2 .Using the production counter 11.Using the counters11-1 . Using the bobbin thread counter 11. Using the countersRecording a user program 12.Using user programs12. Using user programs P1 P212. Using user programs Using a user program Clearing the user programs13. Using the cycle sewing function 13. Using the cycle sewing functionRecording a cycle sewing program 13. Using the cycle sewing function Using a cycle sewing program Clearing a cycle sewing program14-2. Setting the presser mode 14. Changing functions using the DIP switches14-1. Operation panel DIP switches 14. Changing functions using the DIP switches14-3 . DIP switches inside the control box DANGER14. Changing functions using the DIP switches Memory switches 00 - 0F 15-1. Clearing all memory settings15. Changing special functions using the memory switches P1 P2 P3 P4Memory switches 30 - 4F Memory switches 10 - 1FMemory switches 20 - 2F 15. Changing special functions using the memory switches16. Table of error codes 16. Table of error codesDANGER segment LED alphabet Errors generated when optional equipment is connectedREFERENCE 16. Table of error codesPage 18. Troubleshooting 18. Troubleshooting18. Troubleshooting 40,4640,46 18. TroubleshootingPoor seam finish on reverse side of material Printed in Japan INSTRUCTION MANUAL15-1, Naeshiro-cho, Mizuho-ku, Nagoya 467-8561, Japan. Phone 151-916