ii
Buttonhole and Pattern selecting mechanism .................................................2 - 31
Attachment of Pattern selecting unit assy ........................................................................................2 - 32
Attachment of BH stopper assy .......................................................................................................2 - 33
Attachment of BH connecting shaft .................................................................................................2 - 34
Attachment of BH adjusting plate ...................................................................................................2 - 35
Feed control mechanism .................................................................................2 - 36
Attachment of Feed bracket assy .....................................................................................................2 - 37
Attachment of Lever holder assy .....................................................................................................2 - 38
Attachment of Reverse sewing lever B assy ....................................................................................2 - 38
Attachment of Reverse sewing lever A ...........................................................................................2 - 39
Zigzag mechanism ...........................................................................................2 - 40
Attachment of Zigzag link holder assy ............................................................................................2 - 41
Attachment of Zigzag connecting rod assy ......................................................................................2 - 42
Attachment of Z dial assy ................................................................................................................2 - 43
Needle threading mechanism ..........................................................................2 - 44
Attachment of Thread guard assy ....................................................................................................2 - 45
Feed unit ..........................................................................................................2 - 46
Attachment of Feed module .............................................................................................................2 - 47
Phase matching of Upper shaft and lower shaft ..............................................................................2 - 48
Attachment of Feed adjuster assy ....................................................................................................2 - 49
Attachment of Tension pulley assy ..................................................................................................2 - 49
Main motor unit ................................................................................................2 - 50
Attachment of Lower shaft plate .....................................................................................................2 - 51
Attachment of Motor 3P supply assy ...............................................................................................2 - 51
Main frame and Covers ...................................................................................2 - 53
Attachment of Rear cover assy ........................................................................................................2 - 54
Attachment of Front cover assy .......................................................................................................2 - 55
Attachment of Pattern selecting dial ................................................................................................2 - 56
Attachment of Face plate assy .........................................................................................................2 - 56
Attachment of Accessory table ........................................................................................................2 - 56
3. Application of Disassembly/Assembly .............................................3 - 1
Disassembly
Main frame and Covers .....................................................................................3 - 2
Disassembly of Face plate assy .........................................................................................................3 - 3
Disassembly of Front cover assy .......................................................................................................3 - 4
Removal of LED lamp supply assy ...............................................................................................3 - 4
Removal of Rubber cushion A ......................................................................................................3 - 4
Disassembly of Rear cover assy ........................................................................................................3 - 5
Removal of Spool pin ....................................................................................................................3 - 5
Removal of Bobbin presser ...........................................................................................................3 - 5
Removal of Thread guide assy ......................................................................................................3 - 5
Main motor unit ..................................................................................................3 - 6
Disassembly of Motor 3P supply assy ...............................................................................................3 - 7
Feed unit ............................................................................................................3 - 8
Disassembly of Feed adjuster assy ....................................................................................................3 - 9
Disassembly of Feed module .............................................................................................................3 - 9
Removal/Disassembly of Needle plate assy ..................................................................................3 - 9
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