5) INT board assembly ....................................................................................................................126
7. Maintenance ........................................................................................... 136
(1) Oil quantity check.................................................................................................. 136
(2) Cleaning ................................................................................................................. 136
2) Feed bar mechanism ...................................................................................................................138
3) Face plate mechanism .................................................................................................................140
4) Inside a gear box ..........................................................................................................................142
(8) Replacing the fuse ................................................................................................. 150
9. Dry hook ................................................................................................. 155
(1) Digital type ............................................................................................................. 156
(2) Full digital type ...................................................................................................... 157
(2) Sewing performance ............................................................................................. 163
12 . Drawing of table ................................................................................. 180
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