Brother International LK3-B430 Service Manual - Page 21

-0.08mm

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7. Clearance between needle and shuttle hook Turn the pulley so that the point of the shuttle 0hook meets the center of the needle. Loosen screw and turn eccentric shaft so that the clearance between the point of the shuttle hook and the needle is 0.01 to 0.08 mm. 8. Clearance between needle and driver Loosen screw (f) and turn eccentric shaft (I) so that the driver contacts needle lightly when the point of the shuttle hook meets the center of the needle. 9. After the adjustment. put the needle bar oil cap on. 10. Remove the shuttle hook and needle. 0.01-0.08mm 0 0- • gg 8 PRESSER ARM I. Feed plate 0 Temporarily tighten two screws 0. 2. Presser arm 0 Install presser arm Q with two each bolts 0 and washers O. When installing it. turn the pulley until the needle bar is down lowest (Reference needle position varies specifications), and make sure that the needle falls in the center of the work clamp opening. 3. Position feed plate 410 as suitable to the work clamp. and tighten screws 0. * Refer to the Feed Adjustment on page 24. 9 4 • 4r 0 0 0 0 -19-

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7.
Clearance
between
needle
and
shuttle
hook
Turn
the
pulley
so
that
the
point
of
the
shuttle
hook
meets
the
center
of
the
needle.
Loosen
screw
0
and
turn
eccentric
shaft
so
that
the
clearance
between
the
point
of
the
shuttle
hook
and
the
needle
is
0.01
to
0.08
mm.
8.
Clearance
between
needle
and
driver
Loosen
screw
(f)
and
turn
eccentric
shaft
(I)
so
that
the
driver
contacts
needle
lightly
when
the
point
of
the
shuttle
hook
meets
the
center
of
the
needle.
9.
After
the
adjustment.
put
the
needle
bar
oil
cap
on.
10.
Remove
the
shuttle
hook
and
needle.
8
PRESSER
ARM
I.
Feed
plate
0
Temporarily
tighten
two
screws
0.
2.
Presser
arm
0
Install
presser
arm
Q
with
two
each
bolts
0
and
washers
O.
When
installing
it.
turn
the
pulley
until
the
needle
bar
is
down
lowest
(Reference
needle
position
varies
specifications),
and
make
sure
that
the
needle
falls
in
the
center
of
the
work
clamp
opening.
3.
Position
feed
plate
410
as
suitable
to
the
work
clamp.
and
tighten
screws
0.
*
Refer
to
the
Feed
Adjustment
on
page
24.
0.01-0.08mm
0
0-
•
gg
9
•
4
0
0
4r
0
0
—19—