Brother PR600II Service Manual page 4

Needle thread unit ...........................................................................................2 - 26
Needle thread assembly removal .....................................................................................................2 - 27
Hook holder assembly removal .......................................................................................................2 - 27
Rack and hook holder link removal .................................................................................................2 - 28
TH motor assembly and LED light assembly removal ....................................................................2 - 28
Needle bar change unit ....................................................................................2 - 29
Change box removal ........................................................................................................................2 - 30
Change box disassembly (Step 1) ....................................................................................................2 - 30
Change box disassembly (Step 2) ....................................................................................................2 - 31
Thread wiper unit .............................................................................................2 - 32
Thread presser base removal ............................................................................................................2 - 33
Thread presser base disassembly .....................................................................................................2 - 33
Wiper set assembly removal ............................................................................................................2 - 33
Wiper guide and wiper sensor removal ...........................................................................................2 - 34
Wiper set disassembly .....................................................................................................................2 - 35
Needle bar unit ................................................................................................2 - 36
Needle bar case final assembly removal ..........................................................................................2 - 37
Change roller base assembly removal .............................................................................................2 - 37
Case guide D removal ......................................................................................................................2 - 37
Thread take-up lever assembly removal ..........................................................................................2 - 38
Thread take-up lever disassembly ....................................................................................................2 - 38
Needle bar removal ..........................................................................................................................2 - 39
Needle bar case disassembly ............................................................................................................2 - 39
Case positioning plate assembly removal ........................................................................................2 - 39
Case positioning plate disassembly .................................................................................................2 - 40
Case bracket assembly removal .......................................................................................................2 - 40
Case bracket disassembly ................................................................................................................2 - 41
Case guide UL disassembly .............................................................................................................2 - 41
Upper shaft unit ...............................................................................................2 - 42
Main motor final assembly removal ................................................................................................2 - 43
Main motor disassembly ..................................................................................................................2 - 43
Driving jump assembly removal ......................................................................................................2 - 44
Driving jump disassembly ...............................................................................................................2 - 45
Base needle bar removal ..................................................................................................................2 - 46
J-clamp disassembly ........................................................................................................................2 - 46
Presser foot vertical base disassembly .............................................................................................2 - 47
Thread take-up driving lever final assembly removal .....................................................................2 - 47
Thread take-up driving lever disassembly .......................................................................................2 - 48
Main shaft sensor final assembly removal .......................................................................................2 - 49
Crank rod removal ...........................................................................................................................2 - 49
Pressure foot driving shaft assembly removal .................................................................................2 - 50
Presser foot driving shaft disassembly .............................................................................................2 - 50
Upper shaft assembly removal .........................................................................................................2 - 51
Lower shaft unit ...............................................................................................2 - 52
Arm bed and base frame disconnection ...........................................................................................2 - 53
Idle pulley assembly removal ..........................................................................................................2 - 53
Idle pulley disassembly ....................................................................................................................2 - 53
Lower shaft removal ........................................................................................................................2 - 54
Power unit ........................................................................................................2 - 55
Power switch assembly and inlet removal .......................................................................................2 - 56
USB PCB assembly and Y-area sensor assembly removal .............................................................2 - 57
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