Brother International KM-430B Network Users Manual - English - Page 6

Clutch, Mechanism, Lever

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[2 CLUTCH MECHANISM 0 0 A 0- 0 o- 0- 0 0 0 8 0 0 0 --" 0 I . When start le\ er 0 operates in the arrow direction, the low speed part ® of ball presser plate 0, which is fixed to clutch lever 0 N is connecting rod 0, gets in line with the center of steel ball 0 to convey the power to the upper shaft. 2. One end of clutch connecting rod 0 is connected to clutch lever 0 , and the other end to clutch actuating lever 0 to drive clutch cam lever 0 about clutch actuating lever shaft 0 so that roller (CI at its end goes up on the low e. speed part 0 of clutch cam This makes the machine sew 2 stitches at low speed from the start. ® 3. When roller 0 goes up on the high speed part © of clutch cam 0, control cam lever roller falls from a projected part of feed cam Q) so that roller holder ® comes under roller C). This makes the machine sew up to 4 ® stitches before the final stitch at high speed. 4. When roller goes up on a projected part of feed cam 0, roller is released from roller holder 0 to fall on the high speed part © of clutch cam m, and then moves onto the low speed part ®. As the machine sews 4 stitches at low speed, roller Q) gets into a recess of clutch cam (1). (Stop Lever) ® When stop lver ®. clutch cam is pushed in the arrow direction, roller® is released from roller holder® and gets into a recess of

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[
2
CLUTCH
MECHANISM
0-
o-
0-
0
8
0
0
0
--"
0
0
A
0
0
0
0
I
.
When
start
le\
er
0
operates
in
the
arrow
direction,
the
low
speed
part
®
of
ball
presser
plate
0,
which
is
fixed
to
clutch
lever
0
N
is
connecting
rod
0,
gets
in
line
with
the
center
of
steel
ball
0
to
convey
the
power
to
the
upper
shaft.
2.
One
end
of
clutch
connecting
rod
0
is
connected
to
clutch
lever
0
,
and
the
other
end
to
clutch
actuating
lever
0
to
drive
clutch
cam
lever
0
about
clutch
actuating
lever
shaft
0
so
that
roller
(CI
at
its
end
goes
up
on
the
low
speed
part
0
of
clutch
cam
e.
This
makes
the
machine
sew
2
stitches
at
low
speed
from
the
start.
3.
When
roller
0
goes
up
on
the
high
speed
part
©
of
clutch
cam
0,
control
cam
lever
roller
®
falls
from
a
projected
part
of
feed
cam
Q)
so
that
roller
holder
®
comes
under
roller
C).
This
makes
the
machine
sew
up
to
4
stitches
before
the
final
stitch
at
high
speed.
4.
When
roller
®
goes
up
on
a
projected
part
of
feed
cam
0,
roller
is
released
from
roller
holder
0
to
fall
on
the
high
speed
part
©
of
clutch
cam
m,
and
then
moves
onto
the
low
speed
part
®.
As
the
machine
sews
4
stitches
at
low
speed,
roller
Q)
gets
into
a
recess
of
clutch
cam
(1).
(Stop
Lever)
When
stop
lver
®
is
pushed
in
the
arrow
direction,
roller®
is
released
from
roller
holder®
and
gets
into
a
recess
of
clutch
cam
®.