Brother NV4000D Service Manual page 5

Sheet removal ..................................................................................................................................2 - 43
Lower shaft A assembly removal ....................................................................................................2 - 43
Needle-presser unit, needle threader unit, upper shaft unit .............................2 - 44
Upper shaft cover removal ...............................................................................................................2 - 45
Tension pulley assembly removal ....................................................................................................2 - 45
Upper shaft assembly removal .........................................................................................................2 - 46
Needle-presser module removal ......................................................................................................2 - 47
Plate spring removal ........................................................................................................................2 - 48
Needle thread module removal ........................................................................................................2 - 48
Needle-presser module ...................................................................................2 - 49
Presser feed holder assembly removal .............................................................................................2 - 50
Hook assembly removal ...................................................................................................................2 - 50
Presser pulse motor holder assembly removal .................................................................................2 - 50
Presser pulse motor holder ASSY disassembly ...............................................................................2 - 50
Presser dial removal .........................................................................................................................2 - 51
BHSW D6 SW assembly removal ...................................................................................................2 - 51
PT holder assembly removal ............................................................................................................2 - 51
PT holder ASSY disassembly ..........................................................................................................2 - 51
Lock nut removal .............................................................................................................................2 - 52
Zigzag adjusting nut removal ..........................................................................................................2 - 52
Spring removal .................................................................................................................................2 - 52
Spring-Z removal .............................................................................................................................2 - 52
Needle holder shaft block removal ..................................................................................................2 - 53
Spring removal .................................................................................................................................2 - 53
Spring removal .................................................................................................................................2 - 53
Needle holder assembly removal .....................................................................................................2 - 54
Hook release plate removal ..............................................................................................................2 - 55
Release adjuster removal .................................................................................................................2 - 55
Release guide plate removal ............................................................................................................2 - 55
Release lever spring removal ...........................................................................................................2 - 55
Release lever assembly removal ......................................................................................................2 - 56
Release lever ASSY disassembly ....................................................................................................2 - 56
Needle holder ASSY disassembly ...................................................................................................2 - 56
Needle bar ASSY disassembly ........................................................................................................2 - 57
Lever AB assembly removal ............................................................................................................2 - 58
Lever AB ASSY disassembly ..........................................................................................................2 - 58
Shaft bushing A removal .................................................................................................................2 - 58
Adjust plate removal ........................................................................................................................2 - 59
Adjusting plate assembly removal ...................................................................................................2 - 59
Adjusting plate ASSY disassembly .................................................................................................2 - 59
Release plate assembly removal ......................................................................................................2 - 60
Press foot lifter removal ...................................................................................................................2 - 61
Tension release rod removal ............................................................................................................2 - 61
Thread take-up lever assembly removal ..........................................................................................2 - 62
Thread take-up counter weight removal ..........................................................................................2 - 62
Z zigzag lever assembly removal .....................................................................................................2 - 63
Thread release lever assembly removal ...........................................................................................2 - 63
Z zigzag cam removal ......................................................................................................................2 - 64
Z pulse motor assembly removal .....................................................................................................2 - 64
Shaft removal ...................................................................................................................................2 - 64
T cam removal .................................................................................................................................2 - 64
Presser bar removal ..........................................................................................................................2 - 65
Thread take-up lever link removal ...................................................................................................2 - 66
Shaft bushing assembly removal .....................................................................................................2 - 66
Presser dial gear removal .................................................................................................................2 - 66
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