Lower Thread Trimmer Assembly - Brother LH4-B800E Service Manual

2. DISASSEMBLY

2-2. Lower thread trimmer assembly

w
Remove the screw q, and then remove the feed presser plate w.
Remove the bolt e and the washer r, and then remove the length feed plate t from the feed arm support y.
Remove the shoulder screw 4.37 u.
Remove the four screws i, and then remove the base plate o.
Remove the pan screw !0 , and then remove the needle plate !1 .
Remove the two screws ! 2 , and then remove the fixed knife set ! 3 from the knife driving lever ! 4 .
Remove the shoulder screw ! 5 and the screw ! 6 , and then remove the lower thread presser ! 7 from the base plate o.
Remove the shoulder screw ! 8 , plain washer ! 9 and spring washer @ 0 , and then remove the lower thread clamp plate
assembly @1 from the base plate o.
Remove the shoulder screw @2 , collar @3 , washer U @4 and washer D @5 , and then remove the knife driving lever !4
from the base plate o.
Remove the two screws @ 6 , and then remove the lower thread retainer @ 7 from the lever assembly @ 8 .
Remove the collar @ 9 and the screw # 0 , and then remove the lever assembly @ 8 from the base plate o.
Remove the screw # 1 .
2 - 2
e
r
y
q
t
w
!4
u
LH4-B800E
!1
!0
i
!7
#1
!5
@1
@0
!9
!8
@8
@9
@6
@5
@7
#0
!4
@3
@4
@2
!3
!2
o
o
!6