6-2-5 During sewing ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 54
6-3 Adjustments required when the belt loop thickness is changed ‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 55
6-3-1 Adjusting joint sensor ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 55
6-3-2 Adjusting loop support T ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 55
6-3-3 Replacing the fork bracket and fork shafts (L and S) ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 56
6-3-4 Adjusting the fork shaft and the belt loop transfer height ‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 58
6-3-5 Adjusting the air pressure for cleaning away belt scraps (during V cutting) ‥‥‥‥‥ 61
6-4 Adjusting the looseness of the belt loops ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 61
6-5 Adjusting the folding margin ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 62
6-6 Adjusting the folding ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 63
6-7 Changing the loop cutting shape (V cut or flat cut) ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 64
6-7-1 Adjusting the air pressure for cleaning away belt scraps (during V cutting) ‥‥‥‥‥‥ 64
6-8 Replacing the movable knife and fixed knife ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 65
6-9 Adjusting the belt loop and presser foot height ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 65
7. MAINTENANCE AND INSPECTION ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 66
7-1 Cleaning the rotary hook ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 66
7-2 Lubrication ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 66
7-3 Draining the oil ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 67
7-4 Cleaning the eye guard ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 67
7-5 Checking the needle ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 67
7-6 Cleaning the machine pulley ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 67
8. DIP SWITCH ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 68
8-1 Panel DIP switch functions ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 68
8-2 Main circuit board DIP switch functions ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 70
9. ERROR CODES ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 71
10. TROUBLESHOOTING ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 74
10-1 Machine Head ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 74
10-2 Mechanisms ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 79
11. OPTIONS ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 82
11-1 Hand set switch unit (S41639-001)‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 82
11-2 Upper thread breakage detector assembly
(S40520-009) ‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 83
11-3 Belt loop slackener (S43632-001)
‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ ‥ ‥ 84
11-4 Loop setting sensor
(S41959-001)‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ ‥‥ 85
11-5 Clipping disposal funnel assembly
(S41906-001)
‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥‥ 86