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General| Number of Needles | 1 |
|---|---|
| Stitch Type | Lockstitch |
| Motor Type | Servo Motor |
| Application | Leather |
| Hook | Rotary Hook |
Essential safety guidelines to follow before operating the machine.
Important checks and considerations before initial machine startup.
Guidelines for optimal environmental and operating conditions.
Instructions for connecting the power cable to the control box.
Connecting the illuminating lamp leads to the control box.
How to change the motor's rotational direction.
How to connect the control box to the sewing machine head.
Adjusting the needle bar's top and bottom stopping points.
Steps and checks for proper machine oiling.
Important warnings and considerations during machine operation.
Correct procedure for installing sewing machine needles.
Instructions and adjustments for winding bobbin thread.
Guidance on selecting the appropriate thread twist.
Step-by-step guide to threading the needle.
Adjusting stitch length and using the touch-back function.
How to set the bobbin and thread the bobbin case.
Adjusting bobbin, needle, and balance thread tensions.
Aligning the hook and needle movements for correct stitching.
Adjusting the feed dog height based on fabric type.
Synchronizing the hook and take-up lever movements.
Ensuring proper alignment between hook and opener.
Adjusting the relationship between needle and feed dog movement.
Understanding and setting the safety clutch function.
Adjusting the upper feed mechanism for different fabrics.
Adjusting presser foot movement for fabric thickness.
Adjusting the stitch tolerance for back-sewing.
Detailed part numbers and quantities for arm bed accessories.
Detailed part numbers for the thread tension regulator.
Additional parts for the arm bed assembly.
Detailed parts for the upper shaft and presser foot.
Components of the take-up thread and arm shaft assembly.
Components of the stitch regulator mechanism.
Components of the lower shaft and feed rock shaft.
Detailed parts for the hook saddle mechanism.
Components of the upper feed rock shaft assembly.
Detailed parts for the knife mechanism.
Components of the touch back and detector mechanisms.
Components of the oil lubrication system.
Components of the accessories.
Gauge parts for GC20618-2 model.
Gauge parts for GC20618-2-D model.
Gauge parts for GC20618-1 model.
Gauge parts for GC20618-1-D model.
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