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General| Model | GC20698 Series |
|---|---|
| Stitch Type | Lockstitch |
| Hook Type | Rotating Hook |
| Lubrication | Automatic |
| Motor Type | Servo Motor |
| Table Size | Standard Industrial Table |
General safety guidelines for operating the sewing machine and handling electrical components.
Checks and verifications required before turning on the sewing machine for the first time.
Step-by-step guide for correctly installing single and double needles, noting orientation.
Detailed process for threading the needle threads through guides and the take-up lever.
How to adjust stitch length and use the touch-back button for reverse stitching.
Procedure for correctly inserting the bobbin into the hook mechanism.
Steps for threading the bobbin threads and ensuring they are properly aligned with needle threads.
Guidance on adjusting the tension of the bobbin threads using the adjusting screw.
Illustrations showing correct thread tension balance between needle and bobbin threads.
How to adjust needle thread tension relative to bobbin tension and for specific fabrics.
Critical steps for setting the correct timing relationship between the hook and needle movement.
How to adjust the feed dog height for different fabric types to ensure proper feeding.
Procedure for adjusting the timing between the hook and the take-up lever after belt replacement.
How to adjust the gap between the bobbin case holder and the opener for correct hook operation.
Steps to synchronize the needle movement with the feed dog motion for accurate stitching.
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