5
6. Maintenance and Repair
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26
1) Looper cam, spreader cam setting
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26
2) Adjusting the thread take-up plate position
.......................................................................
26
3) Zigzag cam setting
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27
4) Needle bar position setting
................................................................................................
27
5) Adjusting the looper and spreader height
...........................................................................
28
6) Adjusting the spreader driving cam
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29
7) Adjusting the throat height
................................................................................................
30
8) Adjusting the needle guard
................................................................................................
30
9) Adjusting the needle and looper timing
............................................................................
31
10) Adjusting the needle bar height
.......................................................................................
32
11) Adjusting the distance between the needle and looper
...................................................
32
12) Adjusting the thread take-up lever spring
........................................................................
33
13) Adjusting the rotation of the looper base and needle bar
...............................................
33
14) Adjusting the stitch length
...............................................................................................
34
15) Adjusting the hammer position and replacing hammer
..................................................
35
16) Adjusting the cutter position and replacing the cutter
....................................................
36
17) Adjusting the trimming of the lower and deep threads
...................................................
36
18) Adjusting the upper trimmer
............................................................................................
37
19) Adjusting the deep thread(- 00, - 02 Model)
...................................................................
38
20) Adjusting the upper thread holder
...................................................................................
38
21) Adjusting the fabric opening
...........................................................................................
40
22) Adjusting the pneumatic pressure
...................................................................................
40
7. Troubleshooting
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41
8. Table Drawings
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43
1) Basic
...................................................................................................................................
43
9. Air System Circuit Diagram
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44