Presser Arm Mechanism; Shuttle Hook Mechanism - Brother LK3-B430E Mark II Service Manual

4-2. Presser arm mechanism

i
q
!2 ! 3
e
w
!4
!5
@1

4-3. Shuttle hook mechanism

w
q
y
u
!6
@2
r
e
1. Remove the set screw q, the needle w and the
needle bar thread guide e.
2. Remove the bolt r and the washer t on each side,
and the presser arm y.
* Pay attention not to let the ball bearing i of the
r
presser arm support shaft u fall.
t
3. Remove the flat screw o, the screw ! 0 and the
feed plate ! 1 .
o
4. Remove the two flat screws !2 , the two screws !3 ,
!0
and the needle plate ! 4 .
!1
5. Remove the rubber cap !5 , the set screw !6 , and
!7
the tack width feed shaft !7 .
!8
6. Remove the eight screws !8 , and the feed bar guide
!9
plate @ 0 along with the feed bracket !9 .
* Pay attention not to let the ball bearing @1 fall.
@0
7. Remove the slide block @2 from the pin.
1. Remove the bobbin case q by pulling its release
lever.
2. Open the setting claw w on each side, and remove
the shuttle race e along with the shuttle hook r.
LK3-B430E Mark II
4. DISASSEMBLY
12