Brother NV4000D Service Manual page 8

3. Assembly .............................................................................................3 - 1
Needle-presser unit, needle threader unit, upper shaft unit ...............................3 - 2
Needle thread module attachment ......................................................................................................3 - 3
Plate spring attachment ......................................................................................................................3 - 3
Needle-presser module attachment ....................................................................................................3 - 4
Upper shaft assembly attachment ......................................................................................................3 - 5
Needle-presser module and upper shaft assembly connection ..........................................................3 - 6
Upper shaft cover attachment ............................................................................................................3 - 7
Rotary hook driving unit, feed/rotary hook unit, thread cutter unit, side feed unit 3 - 8
Lower shaft A assembly attachment ..................................................................................................3 - 9
Tension pulley assembly attachment ...............................................................................................3 - 10
Sheet attachment ..............................................................................................................................3 - 10
Feed/rotary hook module attachment ..............................................................................................3 - 11
Thread cutter module attachment ....................................................................................................3 - 12
Side feed module removal attachment .............................................................................................3 - 12
Lead wire guide holder attachment ..................................................................................................3 - 13
Bobbin winder unit ...........................................................................................3 - 14
BW motor assembly attachment ......................................................................................................3 - 15
Bobbin presser attachment ...............................................................................................................3 - 15
Bobbin presser guide assembly attachment .....................................................................................3 - 15
Spring attachment ............................................................................................................................3 - 16
BWSW assembly (D6) attachment ..................................................................................................3 - 16
Bobbin presser cover attachment .....................................................................................................3 - 17
Bobbin winder assembly attachment ...............................................................................................3 - 17
Spool pin attachment .......................................................................................................................3 - 18
Sub spool stand pin attachment .......................................................................................................3 - 19
Thread guard plate attachment .........................................................................................................3 - 20
Thread guide plate attachment .........................................................................................................3 - 20
Bobbin base assembly attachment ...................................................................................................3 - 21
Tension guide assembly attachment ................................................................................................3 - 21
Thread tension unit ..........................................................................................3 - 22
Spring tape attachment .....................................................................................................................3 - 23
Thread guide wire attachment ..........................................................................................................3 - 23
Thread take up spring ASSY assembly ...........................................................................................3 - 24
Thread take up spring assembly attachment ....................................................................................3 - 24
Thread tension gear assembly attachment .......................................................................................3 - 25
Thread release link attachment ........................................................................................................3 - 26
Tension plate attachment .................................................................................................................3 - 26
Tension presser plate attachment .....................................................................................................3 - 27
Presser SW link attachment .............................................................................................................3 - 27
Spring attachment ............................................................................................................................3 - 28
Presser switch holder ASSY assembly and attachment ...................................................................3 - 28
Initial SW holder ASSY assembly and attachment .........................................................................3 - 29
Tension release holder assembly attachment ...................................................................................3 - 29
AT pulse motor assembly attachment ..............................................................................................3 - 30
TG pulse motor ASSY assembly .....................................................................................................3 - 30
TG pulse motor assembly attachment ..............................................................................................3 - 31
Belt guide attachment ......................................................................................................................3 - 32
Driving pulley attachment ...............................................................................................................3 - 32
Thread hook attachment ...................................................................................................................3 - 32
Thread guide base attachment ..........................................................................................................3 - 33
AT INIT PCB ASSY assembly .......................................................................................................3 - 33
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