~
Lower shaft
mechanism
Large shuttle hook
.set.
claw
[Lower shaft]
1)
Remove
the stud screw
0,
the
spring wastier@ and
the
large shuttle hook cover@.
2)
Remove
the
screws
9 and 0 and the needle plate@.
3)
Remove
the bobbin
case
and
lift
the large shuttle hook set claw in the direction
of
the arrow. Then
remove
large shuttle hook
f)
and inner rotary hook (LB)@.
4) Tilt
the
machine in the direction
of
the
arrow.
5)
Loosen
the
bolt@
and remove the driver«!> and the stop ring (I).
6)
Loosen
the
screw @
of
the
set collar @ and remove
the
lower shaft assembly
(D
from
the
machine rear.
(The set
collar@
will
come
off.)
[Rock
gear shaft]
1)
Loosen
the set screw @ and remove the stop ring
@.
2)
Loosen
the
set screw
tiD
of
the
set collar 0 and remove the rock gear shaft ® from the machine rear
using a screwdriver.
(The
set collar 0 and the rock gear W
will
come off.)
3)
Return
the
machine
to
its original position.
-18-
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