Brother Style-40e User Manual

Important safety precautions for repair and handling.

Diagram showing the main mechanical parts and their arrangement.

Diagrams illustrating the movement of needle bar and feed dog mechanisms.

Diagrams showing the location of electronic parts on the front and rear covers.

Block diagram illustrating the flow of signals in the sewing machine's control system.

Explains the function of various buttons, sensors, and switches.

Procedures for disassembling the main external and internal parts.

Procedures for disassembling electrical components and motors.

Procedures for disassembling the needle bar, presser, and upper shaft mechanisms.

Procedures for disassembling the feed mechanism.

Procedures for disassembling the bobbin winder mechanism.

Procedures for assembling the bobbin winder mechanism.

Procedures for assembling the feed mechanism.

Procedures for assembling the needle bar, presser, and upper shaft mechanisms.

Procedures for assembling electrical components and motors.

Procedures for assembling the main external and internal parts.

Detailed disassembly steps for the main external and internal parts.

Detailed disassembly steps for electrical components and motors.

Detailed disassembly steps for needle bar, presser, and upper shaft mechanisms.

Detailed disassembly steps for the bobbin winder mechanism.

Detailed disassembly steps for the feed and rotary module.

Detailed disassembly steps for the needle-presser module.

Detailed assembly steps for the main external and internal parts.

Detailed assembly steps for electrical components and motors.

Detailed assembly steps for needle bar, presser, and upper shaft mechanisms.

Detailed assembly steps for the bobbin winder mechanism.

Detailed assembly steps for the feed and rotary module.

Detailed assembly steps for the needle-presser module.

Instructions on how to enter and operate the machine's test modes.

Procedure to adjust the tension of the timing belt for optimal performance.

Procedure to adjust the tension of the motor belt for proper operation.

Method for adjusting the upper thread tension using a tension gauge.

Adjustment procedure for needle drop position in the left base line.

Procedure to adjust the position of the rotary hook unit for correct timing.

Adjustment for ensuring proper left/right clearance between needle and rotary hook.

Procedure to adjust the needle bar's rising height relative to the hook point.

Method for setting the correct height of the needle bar.

Adjustment for proper clearance between needle and rotary hook point.

Procedure for adjusting the needle threader mechanism.

Adjusting the presser bar height and ensuring its parallelism.

Adjustment for feed dog movement in forward and backward directions.

Procedure for adjusting the bobbin winder for proper winding.

Adjusting the position of the BH lever switch for correct operation.

Adjusting the front/back position of the needle and presser foot.

Adjusting the feed dog's position horizontally and vertically.

Procedure for setting the correct height of the feed dog.

Adjusting the position of the inner rotary hook bracket.

Adjusting the tension of the lower thread in the inner rotary hook assembly.

List of error messages and their probable causes.

Step-by-step troubleshooting for specific error messages.

Troubleshooting steps when the machine does not power on.

Steps to diagnose and fix pulse motor initial position issues.

Troubleshooting steps when patterns cannot be selected.

Troubleshooting guide for when the main motor fails to rotate.

Diagnosing and resolving issues with abnormal main motor rotation.

Troubleshooting steps for incorrect pattern sewing.

Diagnosing and fixing issues with buttonhole sewing.

Troubleshooting when operation buttons are unresponsive.

Steps to take when the machine doesn't respond to the foot controller.

Troubleshooting for problems with bobbin thread winding.

Steps to diagnose why the LED lamp is not illuminating.

Troubleshooting procedures for an abnormal LCD display.

Steps to diagnose when the buzzer fails to produce sound.

Wiring instructions for the needle bar and presser module.

Wiring instructions for the power supply unit.

Wiring instructions for the front cover components.