12]
DOUBLE CHAIN STITCH
LOOPER
MECHANISM
Procedures
1 Remove needle guard
(B)
0 .
Q'ty
of
screw
1
2 Remove needle guard (F) 8 from needle guide
(B)
0.
1
3 Remove double chain stitch-looper O. 1
4 Remove double chain stitch looper holder
8.
1
5 Remove thread guide
(R)
{it
and (L)
8.
1
7 NEEDLE
BAR
MECHANISM
Procedures
1 Remove needle thread take-up 0 .
2 Remove needle thread guide (A)
8.
@
®
3 Remove needle thread take-up supporter
t)
.
Q'ty
of
screw
1
1
1
4 Remove chain stitch needle thread guide 8
(B581).
5 Remove face plate
8.
4
(Stopper spring
{it
is
naturally
to
be removed
out.)
3(B581)
-15-
Procedures
Q'ty
of
screw
6 Remove thread handler
fj.
1
7 Remove thread take-up bracket
~.
2
(Put screw driver into the hole
of
double chain
stitch looper take-up and loosen set screw.)
8 Remove double chain stitch looper take-up
t).
2
®
®
Procedures
Q'ty
of
screw
6 Remove needle mechanism cover
8,
taking care
not
to
spoil the packing. 7
~
(Put
feed mechanism cover
«;>
on
the
machine
body.)
7 Loosen screw for needle bar clamp
fj
and pull-
out
needle
bar~
lower.
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