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General| Model | BE-438D |
|---|---|
| Stitch Length | 5mm |
| Maximum Stitch Width | 7mm |
| Maximum Stitch Length | 5mm |
| LCD Display | Yes |
| Needle Threader | Automatic |
| Needle Position | Yes |
Identifies the KE-4300 and BE-4380 sewing machine models.
Explains the meaning of safety symbols and indications used in the manual and on the machine.
Details critical safety information, including electrical hazards and general handling precautions.
Specifies environmental conditions and installation procedures for safe operation.
Provides safety guidelines for operating, cleaning, and performing maintenance on the machine.
Details the warning labels present on the sewing machine and their meanings.
Lists the technical details and capabilities of the KE-4300 and BE-4380 models.
Details special functions accessible when the sewing machine is initially powered on.
Provides a list of advanced functions accessible via specific key combinations.
Guides on how to set and modify memory switches in advanced mode.
Lists all available memory switches, their settings, and default values.
Details how to set the operating mode for the work clamp or button clamp.
Explains how to move sewing patterns using parallel X-Y feed mechanism adjustments.
Procedure for initializing memory switches and other saved data to restore defaults.
How to access and interpret the sewing machine's error history log.
Method to check for malfunctions in operation panel keys, PCBs, and sensors.
Procedure to check for PCB failures, mechanism breakdown, or cord breakage.
How to display and verify the current software version of the sewing machine.
Guidelines for proper handling, storage, and usage of CF cards with the machine.
Instructions for reading additional sewing data from and writing it to the CF card.
Procedures for reading and writing memory switch data to and from the CF card.
Instructions for reading user programs from and writing them to the CF card.
Steps for updating the machine's control programs using a CF card.
Procedure for writing the machine's error log data to the CF card.
Detailed description of the needle bar and thread take-up operating mechanisms.
Explains the operation and components of the work clamp lifter and thread wiper.
Description of the feed mechanism responsible for X and Y movements.
Details the components and operation of thread trimming, tension release, and nipper systems.
Important safety precautions and guidelines before disassembling the sewing machine.
Step-by-step instructions for disassembling the work clamp arm assembly.
Detailed steps for disassembling the needle bar and related components.
Instructions for taking apart the upper shaft mechanism and its components.
Step-by-step guide to disassembling the lower shaft mechanism.
Instructions for disassembling the X and Y feed mechanisms.
Detailed procedure for disassembling the work clamp lifter components.
Steps for taking apart the thread wiper mechanism.
Instructions for disassembling the tension release solenoid and related parts.
Detailed procedure for disassembling the thread nipper assembly.
Step-by-step guide to disassembling the thread trimmer components.
Instructions for disassembling the shuttle hook, bobbin case, and shuttle race.
General instructions for reassembling parts, including lubrication points.
Details on assembling the tension release solenoid and thread wiper mechanisms.
Step-by-step instructions for assembling the thread nipper.
Instructions for assembling the work clamp lifter and related parts.
Detailed steps for assembling the X and Y feed mechanisms.
Instructions for reassembling the upper shaft and associated components.
Detailed steps for assembling the needle bar and related parts.
Instructions for reassembling the lower shaft assembly.
Steps for assembling the shuttle hook, bobbin case, and shuttle race.
Final steps for assembling the thread trimmer mechanism.
Instructions for assembling the work clamp arm for the KE-4300 model.
Instructions for assembling the work clamp arm for the BE-4380 model.
Steps for attaching the various covers to the sewing machine.
Guidelines for setting standard thread tension for different materials and threads.
How to adjust upper/lower thread tension and thread take-up spring height/tension.
Procedures for adjusting needle bar height, lift amount, and driver needle guard.
How to adjust needle clearance and the shuttle race thread guide.
Detailed steps to adjust the position of the movable knife for proper cutting.
Instructions for replacing the movable and fixed thread cutting knives.
How to adjust the lift amount for work clamps and button clamps.
Procedure to adjust holding pressure and position for the button clamp.
Instructions for adjusting the thread trimmer cam for optimal timing.
Guides on adjusting thread wiper height, racking width, and timing.
How to adjust the tension release amount and lower shaft gear backlash.
Procedure to set the home position for the X-Y feed mechanism.
How to set the home position for the work clamp lift mechanism.
Instructions for adjusting the thread nipper's home position sensor and alignment.
Procedure to adjust the needle bar to its correct up stop home position.
How to calibrate the needle up stop position using the operation panel.
Ensuring the machine head switch is properly turned on for correct operation.
Procedure for applying grease when the 'GREASEUP' notification appears.
Step-by-step guide for applying the specified grease to machine parts.
Safety precautions to take when working with the control box and electrical system.
Diagram and description of the main PCBs and components within the control box.
Lists fuses, their part codes, and the symptoms when a fuse blows.
Diagram showing connector positions on the main PC board for troubleshooting.
Diagrams of connectors on PMD PC board and Panel PCB.
Troubleshooting contact failures in feed and work clamp mechanisms.
Diagnosing contact failures related to thread trimmer and sewing operation.
Diagnosing problems with the DC fan, operation panel, and foot switch.
Diagnosing errors related to motors and the machine head switch.
Lists and explains error codes related to switches and upper shaft motors.
Lists and explains error codes for feed mechanism and work clamp issues.
Explains error codes for data editing, device errors, and PC board malfunctions.
Continues error code explanations for data editing, device, and PC board issues.
Final section of error codes for data editing, device, and PC board issues.
Reference guide for characters displayed on the machine's segment display.
