Thread Nipper Mechanism - Brother LK3-B430E Mark II Service Manual

4. DISASSEMBLY

4-10. Thread nipper mechanism

y
i
o
u
t
1. Loosen the set screw q, and remove the thread tension assembly w, the pin e, and the tension release
bar r.
2. Remove the rubber cap t, the stud screw u of the thread tension release lever y, the stud screw !0
securing both tension release lever (U) i and the pushing lever o, and then remove the tension release
rod !1 and the pushing lever o in the direction of the arrow.
3. Loosen the set screw !2 , and remove the presser bar lifter lever shaft !3 , collar 13 !4 and tension release
lever y.
4. Remove the screw !5 , the washer !6 , and the presser bar lifter lever !7 .
5. Remove the presser bar lifter crank !8 in the direction of the arrow.
21
r
q
!0
!1
!3
!2
e
w
!7
y
!4
LK3-B430E Mark II
!8
!6
!5