!2]
PRESSER
FOOT AND FEED MECHANISM
Procedures
Q'ty
of
screw
Remove presser foot
0 .
(In case
of
safety stitch, after pull
out
pin
8,
remove presser foot 0
.)
2 Turn the pulley until the needle bar
is
raised to
the highest position.
131
KNIVES MECHANISM
1
Q'ty
of
screw
3 Remove needle plate
0 . 2
4 Remove differential feed dog
8.
5 Turn the pulley until the under looper
to
the left
mostly and remove main feed dog
t).
6 Remove chain feed dog.
(0
®
~--
...
~.
uu--(j)
~
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~Wr.;..ll...\'01
--
®
• Q'ty
of
Procedures
screw
Loosen screw
0 and
turn
lower knife holder 8
Q'ty
of
screw
6 Remove lower knife holder guide
e.
2
·~
-
..
to
the left direction, then tighten it.
2 Remove upper knife
8.
7 Remove lower knife holder 8
as
holding it by
~
hand. (Pull
out
spring for lower knife holder 1
3 Remove upper knife holder C) .
4 Remove
nut
8.
5 Remove lower knife
t)
as
holding it
by
hand.
-13-
8 also.)
8 Remove lower knife holder. supporter
~.
2
(At
first loosen bolt
Q)
under the needle plate
support bracket
CD>
.)
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