Jack H2 Series - User Manual

H2 系列
产品使用说明书
H2
series
product
instruction
manual
使用说明和零件样本下载地址：
PLEASE DOWNLOAD THE MANUAL AND SPARE PARTS FROM THE FOLLOWING WEBSITE:
ÇäŇÌÇÁ Èfåêä ãÊêÈ ÇäÈÙäêåÇÈ èâXÙ ÇāÈĖÏêä åæ ÇäåèâÛÇäÊÇāé:
POR FAVOR DESCARGAR EL MANUAL Y LIBRO DE PARTES Y REPUESTOS LO SIGUIENTE EN
SITIO WEB:
Пожалуйста, загрузите инструкцию по эксплуатации и деталировку
（ список запасных частей ) со следующеrо вебсайта:
http://download.chinajack.com
产品标准代号：
Q/T K001-2017
Standard code of the products: Q/T K001-2017
杰克缝纫机
JACK SEWING MACHINE
HTTP://WWW.CHINAJACK.COM
杰克科技股份有限公司
JACK TECHNOLOGY CO.,LTD.

公司地址
（Address of Company):
中国浙江省台州市椒江区三甲东海大道东段 1008 号
NO.1008,DONGHAI AVENUE EAST,JIAOJIANG DISTRICT,TAIZHOU CITY,ZHEJIANG
邮编
：318000

国内销售部
（Domestic Trade Department):
电话
（TEL):0086-0576-881177788 88177789
传真
（FAX):0086-0576-881177758

国贸部
（International Trade Department):
电话
（TEL):0086-0576-881177782 88177774
传真
（FAX):0086-0576-881177787

免费售后服务电话：
400-8876858
http://www.chinajack.com

资料如有更改，恕不另行通知，以实物为准。
You will be not informed if the file has been revised. Please set sample as standard.

Summary

Lubrication and Oil Adjustment

Machine Test Run Procedures

Initial Lubrication and Low-Speed Testing

Steps for initial oiling, assembly, and running the machine at low speed.

Suture Tension Adjustment

Bottom Thread Tension

Adjusting the tension of the bobbin thread using the bobbin screw.

Upper Thread Tension

Adjusting the upper thread tension via take-up spring and thread hook.

Thread Take-up Spring Adjustment

Thread Take-up Spring Tension

Fine-tuning the tension of the thread take-up spring for different sewing needs.

Thread Take-up Spring Amplitude

Modifying the swing range of the thread take-up spring.

Bottom Thread Tension and Hook Position

Bottom Thread Tension Fine-tuning

Steps to adjust bottom thread tension to achieve normal stitches.

Needle and Rotary Hook Synchronization

Needle Position Adjustment

Setting the correct vertical position of the needle bar.

Rotary Hook Synchronization Adjustment

Aligning the rotary hook with the needle for proper stitch formation.

Feed Dog Synchronization Adjustment

Standard Feed Dog Position

Setting the initial level position of the feed dog relative to the needle plate.

Safety and Environmental Requirements

Notes for Safe Use

Essential safety precautions for operating industrial sewing machines.

Jack H2 Series Specifications