Brother manual 12

1. SPECIFICATIONS

１-２. Standard thread tension

[KE-430B, 430C, 431B, 431C, 432B, 432C, 433B, 434B, 434C, 435B, 435C, 436B, 436C]

	Medium materials			Heavy materials (Denim)			Knitted materials
Use	(Ordinary materials)
	Standard hook	Large hook		Standard hook		Large hook	Standard hook
Upper thread	#50 or	←		#30 or		←	#60 or equivalent
	equivalent			equivalent
Lower thread	#60 or	←		#50 or		←	#80 or equivalent
	equivalent			equivalent
Upper thread tension	0.8 - 1.2	1.0 - 1.3		1.2 - 1.6		1.4 - 1.8	0.8 - 1.2
(N)
Lower thread tension	0.2 - 0.3	←		0.2 - 0.3		←	0.25 - 0.3
(N)
Thread take-up
spring height	6 - 8	←		6 - 8		←	6 - 8
(mm)
Thread take-up
spring tension	0.3 - 0.4	←		0.5 - 0.6		←	0.3 - 0.4
(N)
Pre-tension (N)	0.5 - 0.8	←		0.3 - 0.5		←	0.5 - 0.8
Needle	DP×5＃14	←		DP×17NY＃19		←	DP×5＃9
[BE-438B, 438C, KE-484C]
Model	BE-438B			BE-438C			KE-484C
Needle	TQ×1＃12		TQ×1＃12		DP×17NY＃12		DP×17＃25
Upper thread	#60 or equivalent			#60 or equivalent			#4 or equivalent
Lower thread	#60 or equivalent			#60 or equivalent			#4 or equivalent
Upper thread tension	0.7 - 1.3		0.7 - 1.3			0.7 - 1.5	4.5 - 5.0
(N)
Lower thread tension	0.3 - 0.4		0.3 - 0.4				1.0 - 1.2
(N)
Thread take-up
spring height	6 - 8		6 - 8				0 - 5
(mm)
Thread take-up
spring tension	0.4 - 0.6		0.4 - 0.6				2.0 - 2.5
(N)
Pre-tension (N)	0.1 - 0.3		0.1 - 0.3			0.05 - 0.3	0.3 - 0.5

5 KE-430B, 430C series