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Main Mechanisms ...........................................................................1 - 2
Driveline ..........................................................................................1 - 3
Positions of electronic components ................................................1 - 4
Control system block diagram .........................................................1 - 5
Operation of other electronic components ......................................1 - 6
Using the threader ..........................................................................1 - 7
Accessory table removal ....................................................................................................................2 - 3
Top cover removal .............................................................................................................................2 - 3
Face plate removal and disassembly ..................................................................................................2 - 3
Front thread guard cover removal ......................................................................................................2 - 4
Needle plate B removal and disassembly ..........................................................................................2 - 4
Free arm cover removal ....................................................................................................................2 - 4
Front cover removal ..........................................................................................................................2 - 5
Operation PCB assembly removal ....................................................................................................2 - 6
Operation PCB holder assembly removal ..........................................................................................2 - 6
Indication panel removal ...................................................................................................................2 - 7
Front cover disassembly (bobbin winder guide assembly removal) ..................................................2 - 7
Front cover disassembly (spool pin holder removal) .........................................................................2 - 7
Front cover disassembly (SS-VR PCB assembly removal) ...............................................................2 - 8
Front cover disassembly (SV keytop removal) ..................................................................................2 - 8
Rear cover removal ............................................................................................................................2 - 9
Handle removal ................................................................................................................................2 - 10
Power supply unit F removal ...........................................................................................................2 - 12
Assy. pin jack F removal .................................................................................................................2 - 12
Wire assy. removal ..........................................................................................................................2 - 12
PCB Unit LED lamp FL removal ....................................................................................................2 - 13
Base plate sub assy. removal ..........................................................................................................2 - 13
Knee lifter assembly removal ..........................................................................................................2 - 13
Base plate cover and inlet assembly removal ..................................................................................2 - 13
Base rubber removal ........................................................................................................................2 - 14
Timing belt (motor belt) removal ....................................................................................................2 - 14
Motor fan removal ...........................................................................................................................2 - 14
Main motor assembly removal ........................................................................................................2 - 14
Main motor assembly disassembly ..................................................................................................2 - 15
Side feed mechanism removal .........................................................................................................2 - 15
Side feed mechanism disassembly ...................................................................................................2 - 16
Main PCB assy. removal .................................................................................................................2 - 17
NP PCB assy. removal .....................................................................................................................2 - 17
Thread tension assy removal ............................................................................................................2 - 19
Thread guide removal ......................................................................................................................2 - 19
Thread guide cover removal ............................................................................................................2 - 20
Tension plate removal ......................................................................................................................2 - 20
Thread release holder assy. F removal .............................................................................................2 - 20
Summary of Contents for BLMY
Page 1: ......
Page 2: ......
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Page 19: ...1 8 ...
Page 21: ...2 2 Main parts location diagram Main unit ...
Page 30: ...2 11 Disassembly Electrical parts and motors location diagram Main unit ...
Page 37: ...2 18 Thread tension mechanism location diagram Main unit ...
Page 43: ...2 24 Bobbin winder mechanism location diagram Main unit ...
Page 49: ...2 30 Needle bar presser mechanism Upper shaft mechanism location diagram Main unit ...
Page 53: ...2 34 Needle presser module breakout diagram 78 Modules ...
Page 66: ...2 47 Disassembly Feed and bobbin module breakout diagram Modules ...
Page 75: ...2 56 Thread cutter module breakout diagram Modules ...
Page 79: ...2 60 ...
Page 81: ...3 2 Needle bar presser mechanism upper shaft mechanism location diagram Main unit ...
Page 90: ...3 11 Assembly Bobbin winder mechanism location diagram Main unit ...
Page 94: ...3 15 Assembly Thread tension mechanism location diagram Main unit ...
Page 102: ...3 23 Assembly Electrical parts and motors location diagram Main unit ...
Page 109: ...3 30 Main parts location diagram Main unit ...
Page 120: ...3 41 Assembly Needle presser module breakout diagram 78 Modules ...
Page 139: ...3 60 Feed module breakout diagram Modules ...
Page 155: ...3 76 Thread cutter module breakout diagram Modules ...
Page 161: ...3 82 ...
Page 191: ...4 30 ...
Page 226: ......