Brother International LK3-B430 Service Manual - Page 29
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6. Start safe lever adjustment Loosen two bolts 9 and move start safe lever 6) up or down so that the clearance between it and periphery of the power cam is 3 mm at the machine stop position. e 7. Start stopper position adjustment Loosen two bolts and move stoppers up or do%%n so that. %%hen the treadle is depressed two steps. the mark of the ball presser plate meets the center of the steel ball. o O ; 3 mm -60 O 0 8. Brake adjustment Loosen screw 4) and turn brake actuating pin so ® that. when stop cam Q reaches 90° before the machine stop position. brake shoe contacts stop cam 0. - 29 -
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6.
Start
safe
lever
adjustment
Loosen
two
bolts
9
and
move
start
safe
lever
6)
up
or
down
so
that
the
clearance
between
it
and
periphery
of
the
power
cam
is
3
mm
at
the
machine
stop
position.
7.
Start
stopper
position
adjustment
Loosen
two
bolts
e
and
move
stoppers
up
or
do%%n
so
that.
%%hen
the
treadle
is
depressed
two
steps.
the
mark
of
the
ball
presser
plate
meets
the
center
of
the
steel
ball.
8.
Brake
adjustment
Loosen
screw
4)
and
turn
brake
actuating
pin
so
that.
when
stop
cam
Q
reaches
90°
before
the
machine
stop
position.
brake
shoe
®
contacts
stop
cam
0.
o
O
;
3
mm
-60
O
0
-
29
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