i
CONTENTS
Ⅰ
.
SPECIFICATIONS
.........................................................................................................1
Ⅱ
. CONFIGURATION OF THE MACHINE COMPONENTS
..............................................2
Ⅲ
.
INSTALLATION ...................................................................................................................... 3
1. Installing the machine head onto the table ................................................................................ 3
2. Selecting the motor pulley and the belt....................................................................................... 7
3. Installing the motor ....................................................................................................................... 7
4. Setting the belt ............................................................................................................................... 7
5. Installing the belt cover................................................................................................................. 8
6. Installing the chain ........................................................................................................................ 8
7. Installing the thread guide ............................................................................................................ 8
8. Installing the needle bar thread take-up cover ........................................................................... 9
Ⅳ
. LUBRICATION AND OILING
........................................................................................9
1. Lubricating oil ................................................................................................................................ 9
2. Oiling............................................................................................................................................. 10
3. Silicon oil lubricating unit ........................................................................................................... 10
Ⅴ
. OPERATION
................................................................................................................11
1. Needle ........................................................................................................................................... 11
2. Attaching the needle ................................................................................................................... 11
3. Threading the machine head ...................................................................................................... 12
4. Adjusting the stitch length ......................................................................................................... 13
5. Adjusting the differential feed ratio ........................................................................................... 13
6.
Adjusting the presser foot pressure ..................................................................................................14
7. Adjusting the thread tension ...................................................................................................... 14
Ⅵ
.
ADJUSTING THE SEWING MACHINE ......................................................................................15
1. Adjusting the silicon container thread guide............................................................................ 15
2. Adjusting the needle bar thread take-up thread receiver ........................................................ 15
3. Adjusting the rocking thread take-up ........................................................................................ 16
4. Adjusting the spreader thread guide ......................................................................................... 16
5. Adjusting the looper thread cam................................................................................................ 16
6. Adjusting the looper thread cam eyelet .................................................................................... 17
7. Adjusting the looper .................................................................................................................... 17
8. Adjusting the height of the needle ............................................................................................. 18
9. Adjusting the rear needle guard................................................................................................. 18
10. Relation between the rocking thread take-up timing and the needle thread loop ................ 19
(1) Adjustment by means of the crank ............................................................................................. 19
(2) Adjustment by the eccentric cam................................................................................................ 19
11. Adjusting the height of the feed dog ......................................................................................... 20
12. Installing position of the spreader ............................................................................................. 20
13. Adjusting the spreader thread guide and the needle clamp thread guide............................. 21
14. Adjusting the front needle guard ............................................................................................... 21
15.
Adjusting the presser foot lift ......................................................................................................22
16. Adjusting the micro-lifter ............................................................................................................ 22
17. Adjusting the feed locus ............................................................................................................. 23
(1) Changing the feed driving movement......................................................................................... 23
(2) Changing the feed rock movement ............................................................................................ 24
(3) Restoring to the standard adjustment ........................................................................................ 24
18. Adjustment value of balloon ...................................................................................................... 25
19. Adjustment of the feed dog in longitudinal direction
............................................................. 27
(1) Longitudinal position of the feed dog.......................................................................................... 27
(2) For C11 ....................................................................................................................................... 28
Ⅶ
.
MAINTENANCE ...................................................................................................................29
1. Cleaning the sewing machine ................................................................................................... 29
2. Replacing the lubricating oil...................................................................................................... 29
3. Inspecing and replacing the oil lter ........................................................................................ 29
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