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General| Brand | Jack |
|---|---|
| Model | E4 Series |
| Category | Sewing Machine |
| Language | English |
Guide to threading the sewing machine, including needle and looper threading steps.
Instructions for manual and HR device lubrication, and oil level maintenance.
Procedures for adjusting presser foot pressure, differential feed ratio, and thread tension.
Steps for cleaning the machine and correctly replacing the needle.
Essential safety rules to follow during operation and maintenance of the sewing machine.
Diagram illustrating the required dimensions for processing the machine table.
Instructions on how to modify the sewing machine's speed using the control panel buttons.
Guide to adjusting the upper and lower needle stop positions via the control panel.
Procedure to restore the sewing machine's control panel settings to factory defaults.
Detailed explanation of various adjustable parameters and their functions.
Procedure for checking and ensuring the proper circulation of oil within the machine.
Guide on how to check and replace the oil filler component of the sewing machine.
Step-by-step instructions for removing and installing the lower knife.
Specifications for the correct sharpening angle of the lower knife.
Explanation of various error codes displayed by the machine and their corresponding solutions.
Troubleshooting steps for E1 (Motor stuck) and E2 (Software over-current) errors.
Troubleshooting for E3 (Parameter save abnormal) and E4/E5/E6 (Hall/Synchronizer/Governor errors).
Troubleshooting for E7 (Current detection) and Eb/EC (Voltage/Over-voltage/Under-voltage) errors.
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