Brother JS1700 - Page 5

ii
Main motor unit ................................................................................................2 - 40
Attachment of Motor 3P supply assy ...............................................................................................2 - 41
Attachment of LED lamp assy .........................................................................................................2 - 42
Main frame and Covers ...................................................................................2 - 43
Attachment of Rear cover assy and Base plate L/R .........................................................................2 - 44
Attachment of Face plate assy and Front cover assy .......................................................................2 - 46
3. Application of Disassembly/Assembly .............................................3 - 1
Disassembly
Main frame and Covers .....................................................................................3 - 2
Disassembly of Face plate assy .........................................................................................................3 - 3
Disassembly of Rear cover assy ........................................................................................................3 - 4
Disassembly of Base plate L/R ..........................................................................................................3 - 5
Main motor unit ..................................................................................................3 - 6
Disassembly of Motor 3P supply assy ...............................................................................................3 - 7
Feed unit ............................................................................................................3 - 8
Disassembly of Tension pulley assy ..................................................................................................3 - 9
Disassembly of Lower shaft B assy .................................................................................................3 - 10
Disassembly of Feed module ...........................................................................................................3 - 11
Needle threading mechanism ..........................................................................3 - 19
Disassembly of Thread tension dial assembly .................................................................................3 - 20
Pattern selecting mechanism ...........................................................................3 - 21
Disassembly of Pattern selecting unit assy ......................................................................................3 - 22
Bobbin winder, Upper shaft, Needle-Presser module ......................................3 - 23
Disassembly of Bobbin winder assy ................................................................................................3 - 24
Disassembly of Upper shaft assy .....................................................................................................3 - 25
Disassembly of Needle-presser module ...........................................................................................3 - 26
Assembly
Bobbin winder, Upper shaft, Needle-Presser module ......................................3 - 30
Lubrication .......................................................................................................................................3 - 31
Assembly of Needle-presser module ...............................................................................................3 - 32
Assembly of Upper shaft assy .........................................................................................................3 - 36
Assembly of Bobbin winder assy ....................................................................................................3 - 37
Pattern selecting mechanism ...........................................................................3 - 38
Lubrication .......................................................................................................................................3 - 39
Assembly of Pattern selecting unit assy ..........................................................................................3 - 40
Needle threading mechanism ..........................................................................3 - 41
Assembly of Thread tension dial assembly .....................................................................................3 - 42
Feed unit ..........................................................................................................3 - 43
Lubrication .......................................................................................................................................3 - 44
Assembly of Feed module ...............................................................................................................3 - 45
Assembly of Lower shaft B assy .....................................................................................................3 - 53
Assembly of Tension pulley assy ....................................................................................................3 - 54
Main motor unit ................................................................................................3 - 55
Assembly of Motor 3P supply assy .................................................................................................3 - 56