
CONTENTS
SAFETY ENSURE ................................................................................................................ i
1. Schematic diagram of the machine table..................................................................... 1
2. Lubrication...................................................................................................................... 2
3. Manual Lubrication......................................................................................................... 2
4. Filling the HR device with silicon oil ........................................................................... 2
5. Threading ........................................................................................................................ 3
6. Adjusting the presser foot pressure............................................................................. 4
7. Adjusting the di. feed ratio .......................................................................................... 4
8. Adjusting the stitch length ............................................................................................ 5
9. Adjusting the thread tension......................................................................................... 6
10. Cleaning the machine .................................................................................................. 6
11. Replacing the needle.................................................................................................... 7
12. Checking the oil circulation......................................................................................... 8
13. Checking and replacing oil lter................................................................................. 8
14. Replacing the oil........................................................................................................... 8
15. Replacing the lower knife ............................................................................................ 9