Brother manual 6

CONTENTS

1. SPECIFICATIONS ...............................		1
1-1.	SPECIFICATIONS ...........................................	1
1-2.	Standard thread tension...................................	5
2. MECHANICAL DESCRIPTIONS .........		7
2-1.	Needle bar and thread take-up
	mechanisms.....................................................	7
2-2.	Lower shaft and shuttle race mechanisms .......	9
2-3.	Work clamp lifter mechanism ...........................	10
2-4.	Work clamp open-close mechanism
	(KE-432B, 432C)..............................................	12
2-5.	Thread wiper mechanism.................................	13
2-6.	Feed mechanism .............................................	15
2-7.	Thread trimmer mechanism .............................	17
2-8.	Thread nipper mechanism ...............................	19
2-9.	Thread take-up mechanism .............................	21
3. DISASSEMBLY ...................................		22
3-1.	Covers..............................................................	22
3-2.	Work clamp arm mechanism
	(KE-430B, 430C, 431B, 431C).........................	24
3-3.	Work clamp arm mechanism
	(KE-432B, 432C)..............................................	25
3-4.	Work clamp arm mechanism (KE-433B) ..........	26
3-5.	Work clamp arm mechanism (KE-434B, 434C,
	435B, 435C, 436B, 436C, 484C)...........................	27
3-6.	Work clamp arm (BE-438B, 438C) .....................	29
3-7.	Shuttle hook mechanism..................................	30
3-8.	Needle bar mechanism ....................................	31
3-9.	Stepping foot mechanism
	(KE-435B, 435C, 436B, 436C).........................	32
3-10. Upper shaft mechanism....................................		33
3-11. Lower shaft mechanism....................................		35
3-12. Feed mechanism (1).........................................		37
3-13. Feed mechanism (2).........................................		39
3-14.	Work clamp lifter mechanism
	(Solenoid specifications) ..................................	41
3-15. Stepping foot lifter mechanism
	(KE-435B, 435C, 436B, 436C).........................	43

3-16.	Thread wiper mechanism..................................	44
3-17.	Thread nipper mechanism ................................	47
3-18.	Thread take-up mechanism ..............................	49
3-19.	Thread trimmer mechanism ..............................	51

4. ASSEMBLY.........................................		54
4-1.	Thread trimmer mechanism (1) ........................	54
4-2.	Thread nipper mechanism................................	56
4-3.	Thread wiper mechanism .................................	59
4-4.	Thread take-up mechanism..............................	62
4-5.	Work clamp lifter mechanism
	(Solenoid specifications)...................................	65
4-6.	Feed mechanism (1).........................................	70
4-7.	Feed mechanism (2).........................................	74
4-8.	Upper shaft mechanism....................................	76
4-9.	Stepping foot lifter mechanism
	(KE-435B, 435C, 436B, 436C) .........................	79
4-10.	Stepping foot mechanism
	(KE-435B, 435C, 436B, 436C) .........................	80
4-11.	Needle bar mechanism.....................................	82
4-12.	Lower shaft mechanism....................................	83
4-13.	Thread trimmer mechanism (2) ........................	86
4-14.	Shuttle hook mechanism ..................................	87
4-15.	Work clamp arm mechanism
	(KE-430B, 430C, 431B, 431C) .........................	89
4-16.	Work clamp arm mechanism
	(KE-432B, 432C) ..............................................	90
4-17. Work clamp arm mechanism (KE-433B)...........		91
4-18. Work clamp arm mechanism (KE-434B, 434C,
	435B, 435C, 436B, 436C, 484C) ...........................	92
4-19. Work clamp arm mechanism
	(BE-438B, 438C) ..............................................	94
4-20.	Work clamp arm mechanism
	(Applying grease) .............................................	95
4-21.	Covers ..............................................................	97

KE-430B, 430C series