Table Of Contents - Brother SL100 Service Manual

1. Outline of Mechanism ........................................................................1 - 1
Main mechanisms ..............................................................................................1 - 2
Driveline .............................................................................................................1 - 3
Positions of electronic components ...................................................................1 - 5
Control system block diagram ...........................................................................1 - 6
2. Basic of Disassembly/Assembly .......................................................2 - 1
Disassembly
Preparation ........................................................................................................2 - 2
Disconnecting cables & Removing accessories .................................................................................2 - 2
Main frame and Covers .....................................................................................2 - 3
Removal of Face plate assy and Front cover assy .............................................................................2 - 4
Removal of Rear cover assy and Base plate L/R ...............................................................................2 - 5
Main motor unit ..................................................................................................2 - 7
Removal of LED lamp assy ...............................................................................................................2 - 8
Removal of Motor 3P supply assy .....................................................................................................2 - 9
Feed unit / Feed control ...................................................................................2 - 10
Removal of Tension pulley assy and Lower shaft B assy ...............................................................2 - 11
Removal of Feed module .................................................................................................................2 - 12
Removal of Feed connecting lever assy ..........................................................................................2 - 13
Needle threading mechanism ..........................................................................2 - 14
Removal of Thread tension dial assembly .......................................................................................2 - 15
Pattern selecting mechanism ...........................................................................2 - 16
Removal of Pattern selecting unit assy ............................................................................................2 - 17
Bobbin winder, Upper shaft, Needle-presser module ......................................2 - 18
Removal of Bobbin winder assy ......................................................................................................2 - 19
Removal of Upper shaft assy ...........................................................................................................2 - 20
Removal of Needle-presser module .................................................................................................2 - 21
Assembly
Bobbin winder, Upper shaft, Needle-presser module ......................................2 - 23
Attachment of Needle-presser module ............................................................................................2 - 24
Attachment of Upper shaft assy .......................................................................................................2 - 26
Attachment of Bobbin winder assy ..................................................................................................2 - 27
Pattern selecting mechanism ...........................................................................2 - 28
Lubrication .......................................................................................................................................2 - 29
Attachment of Pattern selecting unit assy ........................................................................................2 - 30
Needle threading mechanism ..........................................................................2 - 32
Attachment of Thread tension dial assembly ...................................................................................2 - 33
Feed unit / Feed control ...................................................................................2 - 34
Lubrication .......................................................................................................................................2 - 35
Attachment of Feed connecting lever assy ......................................................................................2 - 36
Attachment of Feed module .............................................................................................................2 - 37
Attachment of Lower shaft B assy and Tension pulley assy ...........................................................2 - 38
Phase matching of Upper shaft and Lower shaft .............................................................................2 - 39
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