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Replace the needle bar Set the presser foot solenoid
Adjust the dearance of the feed plate clamp and the guide block Adjust the clearance of the lower shaft

Adjust the tension of the X timing belt Adjust the clearance of the X driving motor and the free move gear

Set the thread trimming cam Set the thread trimming cam roller
Replace the thread trimming cam roller Set the thread trimming driving link stopper
Set the thread trimming solinoid Replace the moving adn fixed blades
Set the highest stop position of thread lake-up(highest stop position of the needle bar) Replace the location detector

Adjust the hook time Adjust the tension of the upper thread
Set the upper thread detecter Adjust the tension of the lower thread
Adjust the height of the presser foot Set the driving cam of the presser foot
Set the presser foot adjusting arm Adjust the vertical mobility range of the presser foot
Set the shuttle top face spring Adjust the opening of the main thread adjusting device plate
Adjust the height of the feed plate(pneumatic) Set the wiper
Replace the needle plate cover    

Adjust the belt tension Adjust the clearance of the shaking shaft gear

Oil supply

The X .Y-original PointSetting      

Connect the air hoses (1306-20) Connect the air hoses (1306-22)
The Presser Foot Cylinder Setting Regulate the air pressure

Use an emergency backup diskette