JUKI MO-623 Manual

Summary

Master the art of professional garment construction with this versatile 3-Thread Overlock Sewing Machine. This comprehensive operation manual serves as an essential guide, detailing every aspect from initial setup and safe handling to advanced stitching functions like rolled hemming and tape sewing. Designed for tailors, seamstresses, and professional sewers, the resource provides step-by-step instructions on threading, tension adjustment, specific stitch types, routine maintenance, and troubleshooting. Ensure perfect, durable seams every time with this detailed guide.

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1-NEEDLE, 3-THREAD OVERLOCK SEWING MACHINE 单针三线包缝机

MO-623 INSTRUCTION MANUAL 操作指南

IMPORTANT: 要领: READ ALL SAFETY REGULATIONS CAREFULLY

AND UNDERSTAND THEM BEFORE USING YOUR

SEWING MACHINE.

RETAIN THIS INSTRUCTION MANUAL FOR FUTURE 请妥善保管好本《操作指南》以备后用。

REFERENCE.

Page Summary Contents For JUKI MO-623 Manual

Page 1 1-NEEDLE, 3-THREAD OVERLOCK SEWING MACHINE 单针三线包缝机 MO-623 INSTRUCTION MANUAL 操作指南 IMPORTANT: 要领: READ ALL SAFETY REGULATIONS CAREFULLY AND UNDERSTAND THEM BEFORE USING YOUR SEWING MACHINE. RETAIN THIS...

Page 2 “IMPORTANT SAFETY INSTRUCTIONS”/“重要的安全操作规则” When using an electrical appliance, basic safety precautions should always be followed, including the following:Read all instructions before using this sewi...

Page 9 送料距调节旋钮（以调节送料距长度）线迹长度可调范围为1-4cm。通过调节送料调节旋钮，可调节线迹的长短。 ·通常的包缝线迹长度，设定在送料距调节旋钮2-3位置。

Page 11 使用机针 130/705H No.75/11 90/14 关型号的机针。

Page 13 1、上弯针线（蓝色）将线团插入带有蓝色标记的导线勾所对应的插线钉上。 (1) 将线挂在带有蓝色标记的线勾上。（2,3）将线通过过线导向板。（4）将线嵌入夹线板之间。（5,6,7,8,9,10）将线通过各线导向。（11）转动飞轮，使上弯针升至最高位置，将线穿入上弯针针孔。（12）将线拉出约10cm长，抬起压脚，把线放在压脚板下面。

Page 14 2,下弯针线（红色）将线团插入带有红色标记的导线勾所对应的插线钉上。（1）将线挂在带有红色标记的线勾上。（2,3）将线通过过线导向板。（4）将线嵌入夹线板之间。（5,6,7,8,9）将线通过各线导向。（10）用弯针线穿线勾将线挂在其弯勾上，转动飞轮，使下弯针至最左点，将线挂在下弯针的后槽。（11）将弯针线穿线勾向右移，移动飞轮，使下弯针至最右点，将线穿入下弯针针孔，然后拉出足够长...

Page 17 Standard of the thread tensioner dial

Page 21 For rolled hem For narrow overlock stitch Thread tension dial value Thread to be used 缝线型号 Spun thread #80 精纺线80# Filament thread #80 Wooly nylon thread 毛状尼龙线

Page 22 2 ~ 3 cm

Page 25 Page for Trouble Cause (reason) Corrective measures reference

Page 26 Item Specifications 规格项目� 规格缝线数� 3线机针� 130/705H 包缝宽度� 标准宽度4.0mm 针迹长度（送料量）� 1-4mm（标准长度2.5mm）压脚升降高度� 5mm 缝速� 最大1500针/分外形尺寸� 270（W）×260（D）×295（H）mm 重量� 6.8kg

Page 27 Optional accessories/另购附件 ● Blind stitch presser foot ● Piping presser foot ● 暗缝压脚 ● 滚带压脚 ● Elasticator ● Beading presser foot ● 弹簧压脚 ● 珍珠压脚 ● Cording presser foot ● 2/3 Thread Conveter ● 花边压脚 ● 2/3切换...

Manual Details

Brand	Juki
Pages	28
File Size	1.26 MB
Published	June 05, 2026

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Frequently Asked Questions

使用缝纫机前需要注意哪些安全事项？

首先，仔细阅读所有操作规程；电器类产品在使用时必须时刻注意基本安全规则，如不使用和清洁机器时，务必拔下电源插头。

如果缝纫过程中发生断线怎么办？

立即停止缝纫并取出面料，然后重新进行穿线。如果是下弯针断线，需剪断机针线；上弯针断线则转至最低位置便于重穿。