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General| Brand | Jack |
|---|---|
| Model | A3 |
| Category | Sewing Machine |
| Language | English |
Details the method for resetting the machine to factory defaults using a single button.
Explains how to enter, adjust, and save parameters using the P button and navigation keys.
Lists various electronic parameters (P01-P98) with their adjustable ranges and default values.
Provides solutions for common error codes (Err-01 to Err-23) and switch alarms.
Details the adjustment of the screw for oiling the hook mechanism.
Explains oil supply to the needle bar, wick adjustment, and lubrication principles.
Details adjusting hook tip position relative to the needle and clearance.
Guides on adjusting the trimming mechanism timing and knife cut line.
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