Brother International EF4-B561 Service Manual - Page 17

Double, Chain, Stitch, Looper, Mechanism, Procedures, Needle

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El DOUBLE CHAIN STITCH LOOPER MECHANISM Procedures Q'ty of screw 1 Remove needle guard (B) O. 1 2 Remove needle guard (F) 10 from needle guide (B) 0. 1 3 Remove double chain stitch-looper (O. 1 4 Remove double chain stitch looper holder 0. 1 5 Remove thread guide (R) 11) and (L) 0. 1 7 NEEDLE BAR MECHANISM Procedures Q'ty of screw 6 Remove thread handler O. 1 7 Remove thread take-up bracket 0. 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 CV 2 O - • Procedures Q'ty of screw 1 Remove needle thread take-up 0. 1 2 Remove needle thread guide (A) Q. 1 3 Remove needle thread take-up supporter 0. 1 4 Remove chain stitch needle thread guide 0 (B581). 1 5 Remove face plate 0. 4 (Stopper spring fp is naturally to be removed out.) 3(B581) Procedures Q'ty of screw 6 Remove needle mechanism cover el, taking care not to spoil the packing. 7 (Put feed mechanism cover on the machine body.) 7 Loosen screw for needle bar clamp Q and pull- out needle bar 0 lower. 1 - 15 -

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El
DOUBLE
CHAIN
STITCH
LOOPER
MECHANISM
Q'ty
of
Procedures
screw
1
Remove
needle
guard
(B)
O.
1
2
Remove
needle
guard
(F)
10
from
needle
guide
(B)
0.
1
3
Remove
double
chain
stitch-looper
(O.
1
4
Remove
double
chain
stitch
looper
holder
0.
1
5
Remove
thread
guide
(R)
11)
and
(L)
0.
1
7
NEEDLE
BAR
MECHANISM
O
-
Procedures
Q'ty
of
screw
1
Remove
needle
thread
take-up
0.
1
2
Remove
needle
thread
guide
(A)
Q.
1
3
Remove
needle
thread
take-up
supporter
0.
1
4
Remove
chain
stitch
needle
thread
guide
0
(B581).
1
5
Remove
face
plate
0.
4
(Stopper
spring
fp
is
naturally
to
be
removed
out.)
3(B581)
Procedures
Q'ty
of
screw
6
Remove
thread
handler
O.
1
7
Remove
thread
take-up
bracket
0.
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
CV 2
•
Q'ty
of
Procedures
screw
6
Remove
needle
mechanism
cover
el,
taking
care
not
to
spoil
the
packing.
7
(Put
feed
mechanism
cover
on
the
machine
body.)
7
Loosen
screw
for
needle
bar
clamp
Q
and
pull-
out
needle
bar
0
lower.
1
—
15
—