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General| Brand | Yamato |
|---|---|
| Model | VG3721-8 |
| Category | Sewing Machine |
| Language | English |
General guidelines for safe operation of industrial sewing machines and devices.
Crucial safety measures to follow while the sewing machine is in operation.
Guidelines for performing maintenance, inspection, and repairs safely and correctly.
Guidance on installing the motor, belt, and pulley for the machine's drive system.
Instructions on how and where to apply lubricating oil to the machine parts.
Step-by-step guide for safely and correctly installing needles into the machine.
Detailed instructions and diagrams for threading the machine's needles and loopers.
How to adjust the thread tension for different fabric and thread types.
Guidance on adjusting the pressure applied by the presser foot.
Instructions for adjusting the differential feed dog movement for fabric stretching or gathering.
How to adjust the stitch length and related settings for desired stitch size.
How to adjust the needle thread tension using eyelets and guides.
Procedures for aligning the needles and spreader for correct stitch formation.
How to set the correct distance between needles and the looper.
How to adjust the height of the needle bar for correct looper engagement.
Adjusting the front-and-rear position of the looper relative to the needle.
How to set the correct height of the feed dogs relative to the stitch plate.
How to change the differential feed ratio for fabric stretching or gathering.
How to adjust the walking presser foot pressure for correct operation.
How to adjust the position of the lower knife holder for fabric trimming.
Procedures for removing, resetting, and sharpening the lower knife.
Procedures for removing, resetting, and sharpening the upper knife.
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