Brother International LK3-B430 Service Manual - Page 16

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5. Raise the machine head. 6. Thread trimming arm B Insert it from above the bed. 7. Thread trimming arm A Fit the pin into the tip of connecting rod 0. slide thread trimming arm A onto the lower end of thread trimming arm B G. and snap stop ring ® on. 8. Needle plate assembly Fit the slot of thread trimming arm C over the pin on thread trimming arm B G. and tighten two ® each screws and CI. a) 9. Move movable knife until its tip meets the needle plate mark 0, and tighten screw 0. • - 0 • - El CLUTCH AND BRAKE I. Clutch lever assembly 0 0. Install clutch lever assembly 0 with washers 0. 0. 0. and bolt and hook one end of clutch spring 0 to spring hook 0. 2. Ball presser plate 0 Put steel bane in the ball holder. and temporarily 0 tighten it with two spring wahsers O and bolts 0. 3. Brake assembly 0 Fit it on the arm. and fasten with screw 0, making sure that the brake shoe is in line with the center of the stop cam. 4. Brake spring 0 Hook brake spring to the lower end of the brake assembly and the spring hook. • 0• 0 a • • 17 0 00 0 -14-

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5.
Raise
the
machine
head.
6.
Thread
trimming
arm
B
Insert
it
from
above
the
bed.
7.
Thread
trimming
arm
A
Fit
the
pin
into
the
tip
of
connecting
rod
0.
slide
thread
trimming
arm
A
onto
the
lower
end
of
thread
trimming
arm
B
G.
and
snap
stop
ring
on.
8.
Needle
plate
assembly
®
Fit
the
slot
of
thread
trimming
arm
C
over
the
pin
on
thread
trimming
arm
B
G.
and
tighten
two
each
screws
®
and
CI.
9.
Move
movable
knife
a)
until
its
tip
meets
the
needle
plate
mark
0,
and
tighten
screw
0.
El
CLUTCH
AND
BRAKE
I.
Clutch
lever
assembly
0
Install
clutch
lever
assembly
0
with
washers
0.
0. 0.
and
bolt
0.
and
hook
one
end
of
clutch
spring
0
to
spring
hook
0.
2.
Ball
presser
plate
0
Put
steel
bane
in
the
ball
holder.
and
temporarily
tighten
it
with
two
spring
wahsers
O
and
bolts
0.
3.
Brake
assembly
0
Fit
it
on
the
arm.
and
fasten
with
screw
0,
making
sure
that
the
brake
shoe
is
in
line
with
the
center
of
the
stop
cam.
4.
Brake
spring
0
Hook
brake
spring
to
the
lower
end
of
the
brake
assembly
and
the
spring
hook.
•
•
-
0
—
0
a
•
•
0 •
•
0
0 0
0
0
17
—14—