Brother EF4-N21 Manual page 27

Gauge parts list
Application
5 Threads
−4 S
Sub-class 67
−5 S
S=Standard
H=High-lift
E=Extra high-lift
(mm)
Needle gauge
1. Needle (Q'ty)
2. Presser foot assy
(Presser foot .F)
3.
Needle clamp assy
4. Needle plate
5.
Main feed dog assy
(Main Feed dog)
(Chain feed dog)
6.
Differential feed dog
7. Upper knife
Angle knife
8. Lower knife
9. Over looper
S20424−001
B
4 Threads
−5 S
68
2
S25548−101
(S19325-001)
S29146−001
S25198−001 (4)
S25199−001 (5)
S19224−201
(S19225-201)
(S33172-001)
L
S20423−001
M
Ruffling
5 Threads 4 Threads
−4 S −5 S
69 70
−5 S
3
151474−014 (2)
S19321−101
(S19325-001)
S20404−001
S19497−001 (4)
S19182−001 (5)
S19246−001
144074−350
S20582−001
T = 1.5
S20424−001 S20423−001
B M
EF4-N11, V41A, N21, V51A, MA4-N31, V61A 27/31
2001.9
[Models MA4-N31, V61A]
5 Threads 4 Threads
−5 S −5 S
71 72
−6 H
5
S19326−101
(S19325-001)
S20406−001
S19183−001 (5)
S19184−001 (6)
S19226−101 (5)
(S19227-101)
(S19223-101)
F
S19224-201 (6)
(S19225-201)
(S33172-101)
L
S20424−001 (5)
B
S20423−001
M
S20428−001 (6)
C