Contents
1. Machine safety regulations 6
2. Machine Specifications 9
3. Machine Structure 10
1) Names of each part of the machine 10
4. Machine Installation 11
1) Machine installation conditions 11
2) Electric installation conditions 11
3) How to install the table 11
4) The assembly of peripheral parts 14
5) Change of parameters according to setting of thread wiper specifications 15
5. Preparations before operating the machine 16
1) How to supply oil 16
2) How to grease 16
3) How to attach needle 17
4) Checking needle and thread 17
5) How to pass upper thread 17
6) Threading the lower thread 17
7) How to take the bobbin case on and off 18
8) How to adjust the tension of the upper thread and the lower thread 18
9) How to wind the lower thread 19
10) How to operate a pedal 19
11) Disposing the waste oil 19
6. How to repair the machine 20
1) Adjusting the height of the needle bar 20
2) Adjusting the needle and the shuttle 20
3) How to adjust the eccentricity of thread take-up crank axis 21
4) Adjusting the lower shaft gear and the rocking shaft gear 21
5) Adjusting the position of shuttle upper spring 22
6) How to adjust the ascending range of button clamp 22
7) How to adjust the button clamp holder tension 23
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