What to do if Brother KE-434C does not operate when turned on?
If the machine does not operate when the power is turned on and the foot switch is depressed: * Check if the head position switch cord is disconnected. * Adjust the position of the switching plate. * Replace the head position switch if it is broken.
How to adjust lower thread winding amount on Brother Sewing Machine?
If the lower thread winding amount is incorrect, adjust the position of the bobbin presser.
How to adjust incorrect thread tightness on Brother KE-434C?
Incorrect thread tightness can be due to: * Upper thread tension being too weak; adjust the upper thread tension. * Lower thread tension being too weak; adjust the lower thread tension. * Thread take-up spring tension and height being incorrect; adjust the tension and height of the thread take-up spring.
Why does the upper thread keep breaking on my Brother KE-434C?
The upper thread may be breaking on your Brother Sewing Machine due to several reasons: * The upper thread tension might be too strong - try adjusting it. * The needle may be installed incorrectly - ensure it is installed correctly. * The thread might be too thick for the needle - use the correct thread. * The thread take-up spring tension and height could be incorrect - adjust them. * There may be damage to the rotary hook, needle hole plate, or needle - file smooth or replace the affected part. * The thread might be melting (if it's synthetic) - consider using a thread cooling device.
Why is my Brother Sewing Machine lower thread breaking?
The lower thread may break because: * The lower thread tension is too strong, so adjust the lower thread tension. * The corners of the needle hole plate or bobbin case are damaged; file smooth or replace the affected part.
What to do if my Brother KE-434C does not operate when the power is on and the foot switch is depressed?
If your Brother Sewing Machine doesn't operate when powered on and the foot switch is depressed, it could be: * The head position switch not working - check if the cord is disconnected. * The switching plate position being incorrect - adjust the position of the switching plate. * The head position switch being broken - replace the head position switch.
How to adjust incorrect thread tightness on a Brother KE-434C Sewing Machine?
Incorrect thread tightness on your Brother Sewing Machine can be fixed by: * Adjusting the upper thread tension if it is too weak. * Adjusting the lower thread tension if it is too weak. * Adjusting the tension and height of the thread take-up spring if they are incorrect.
Why does the lower thread break on my Brother Sewing Machine?
The lower thread on your Brother Sewing Machine may break if: * The lower thread tension is too strong - adjust the lower thread tension. * The corners of the needle hole plate or bobbin case are damaged - file smooth or replace the affected part.
How to fix thread jamming in Brother Sewing Machine?
Thread jamming in your Brother Sewing Machine can occur if: * The thread take-up spring tension and height are incorrect - adjust the tension and height of the thread take-up spring. * The needle and rotary hook timing are incorrect - adjust the needle bar lift amount. * The shuttle race thread guide is not separating the threads - adjust the position of the shuttle race thread guide.
Why is my Brother KE-434C needle breaking?
Your Brother Sewing Machine needle might be breaking because: * The needle is touching the rotary hook - adjust the needle clearance. * The needle bar lift amount is incorrect - adjust the needle bar lift amount. * The needle is bent - replace the needle. * The needle is too thin - use the correct needle for the material.
General| Type | Electronic Sewing Machine |
|---|---|
| Built-in Free Arm | Yes |
| Speed Control | Yes |
| Automatic Needle Threader | Yes |
| Drop Feed | Yes |
| Needle | HAx1 |
Defines safety indications and symbols used in the manual and on the machine for safe operation.
Details environmental conditions like temperature, humidity, and electrical noise for proper machine operation.
Provides safety instructions for installing the sewing machine, including electrical and physical safety.
Covers safety guidelines for sewing, cleaning, and maintenance operations, including general cautions.
Details hazardous voltage warnings, moving parts warnings, and safety device identification labels.
Covers high temperature warnings and direction of operation indicators.
Provides detailed specifications for the KE-434C and KE-435C sewing machines, including performance and capabilities.
Instructions for installing the power table and mounting the control box, including necessary dimensions and components.
Identifies lubrication points and provides instructions for filling oil tanks and applying oil to felt areas.
Explains the purpose and function of each button, indicator, and display on the operation panel.
Details the sequence of operations for preparing and starting the sewing machine.
Guides on setting the program number, X and Y scale, and sewing speed through the operation panel.
Details how to use the emergency stop switch and the thread wiper switch for safe and efficient operation.
Table and notes on selecting appropriate needles and threads for different materials and applications.
Instructions for replacing the bobbin case and detailed information on thread tension settings.
Detailed instructions on adjusting lower and upper thread tension for optimal sewing results.
Checks and preparations required before commencing sewing, including needle bar position.
Instructions for lubricating the machine, including filling oil tanks and applying oil to specific felt areas.
Lists error codes, their causes, and the corresponding remedies for troubleshooting machine malfunctions.
Lists further error codes, including those related to optional equipment, and their remedies.
Addresses problems like work clamp not rising/lowering, incorrect lift, and thread wiper malfunction.
Solutions for lower thread winding issues and thread unthreading problems.
Addresses skipped stitches, problems with thread trimming, thread jamming, and poor seam finish.
Solutions for incorrect thread tightness and issues preventing machine operation when power is applied.
To Next Page
