LK3-B430E Mark II
12
4. DISASSEMBLY
w
q
e
r
y
r
t
o
!0
!1
u
i
!2!3
q
e
w
!4
!5
@1
@2
!6
!7
!8
!9
@0
4-2. Presser arm mechanism
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
presser arm support shaft
u
fall.
3. Remove the flat screw
o
, the screw
!0
and the
feed plate
!1
.
4. Remove the two flat screws
!2
, the two screws
!3
,
and the needle plate
!4
.
5. Remove the rubber cap
!5
, the set screw
!6
, and
the tack width feed shaft
!7
.
6. Remove the eight screws
!8
, and the feed bar guide
plate
@0
along with the feed bracket
!9
.
* Pay attention not to let the ball bearing
@1
fall.
7. Remove the slide block
@2
from the pin.
4-3. Shuttle hook mechanism
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
.