1. Machine Safety Regulations 6
2. Specifications of Machine 9
3. Structure of the Machine 10
1) Names of Each Part of Machine 10
2) Inside Structure of ControlBox 11
4. Installation of the Machine 13
1) Environment for Machine Installation 13
2) Electric Installment Conditions 13
3) Assembly of Peripheral Construction Parts 13
5. Preparation Before Operating the Machine 16
1) Setting the Voltage 16
2) How to Supply Oil 17
3) How to Install the Needle Bar 18
4) How to Thread the Upper Thread 19
5) Threading the Lower Thread 19
6) How to Take the Bobbin Case On and Off 20
7) How to Adjust the Tension of the Upper Thread and the Lower Thread 20
8) How to Wind the Lower Thread 21
9) Adjusting the Height of the Presser Foot 21
10) Disposing the Waste Oil 21
11) How to Adjust the Air Pressure 22
12) Adjusting the Speed for Ascension and Descent of Upper Feed Plate 22
13) Standing the Sewing Machine 22
14) Attaching and Removing the V-Belt(A Series) 23
15) Caution When Using the Floppy Disks 24
6. How to Repair the Machine 25
1) Adjusting the Height of the Needle Bar 25
2) Adjusting the Needle and the Shuttle 25
3) Adjusting the Lower Shaft Gear and the Rocking Shaft Gear 26
4) Adjusting the Spring on the Upper Side of the Shuttle 26
5) Adjusting the Height of the Feed Plate 27
6) Adjusting the Presser Foot Devices 27
7) Adjusting the Presser Foot Lifter Cylinder 29
8) Adjusting Accessories for Thread Delay 29
9) Adjusting Accessories for the Wiper 31
10) Adjusting the Trimming Parts 32
11) Adjusting the Main Thread Control Device 35
12) Adjusting the Upper thread Detecting Devices 35
13) Adjusting the Hand Pulley Device 35
14) Adjusting the Winding Device 36
15) How to set the Position of Syncro(A Series) 36
16) Mounting the Direct Motor and Adjusting Method(B Series) 37
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