Brother International LK3-B431 MKII Instruction Manual - Page 36

Maintenance, Inspection

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9 . MAINTENANCE AND INSPECTION 9 . MAINTENANCE AND INSPECTION A CAUTION Q Turn off the power switch before carrying out cleaning, otherwise the machine may operate if the foot switch is pressed by mistake, which could result in injury. Be sure to wear protective goggles and gloves when handling the lubricating oil and grease, so Q that they do not get into your eyes or onto your skin, otherwise inflammation can result. Furthermore, do not drink the oil or eat the grease under any circumstances, as they can cause vomiting and diarrhoea. Keep the oil out of the reach of children. 9-1 . Cleaning the rotary hook 1. Pull the shuttle race cover toward you to open it, and then remove the bobbin case. 2. Open the setting claw 0 in the direction indicated by the arrow, and then remove the shuttle race body 0 and the shuttle hook 0. 3. Clean all the dust and thread ends from around the driver 0, the top of the rotary hook thread guide and the shuttle race. 29 LK3-B430E-, 8431E-, B432E-, 8433E- Mark II

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9
.
MAINTENANCE
AND
INSPECTION
9
.
MAINTENANCE
AND
INSPECTION
A
CAUTION
Q
Turn
off
the
power
switch
before
carrying
out
cleaning,
otherwise
the
machine
may
operate
if
the
foot
switch
is
pressed
by
mistake,
which
could
result
in
injury.
Q
Be
sure
to
wear
protective
goggles
and
gloves
when
handling
the
lubricating
oil
and
grease,
so
that
they
do
not
get
into
your
eyes
or
onto
your
skin,
otherwise
inflammation
can
result.
Furthermore,
do
not
drink
the
oil
or
eat
the
grease
under
any
circumstances,
as
they
can
cause
vomiting
and
diarrhoea.
Keep
the
oil
out
of
the
reach
of
children.
9-1
.
Cleaning
the
rotary
hook
1.
Pull
the
shuttle
race
cover
toward
you
to
open
it,
and
then
remove
the
bobbin
case.
2.
Open
the
setting
claw
0
in
the
direction
indicated
by
the
arrow,
and
then
remove
the
shuttle
race
body
0
and
the
shuttle
hook
0.
3.
Clean
al
l
the
dust
and
thread
ends
from
around
the
driver
0,
the
top
of
the
rotary
hook
thread
guide
and
the
shuttle
race.
29
LK3-B430E-,
8431E-,
B432E-,
8433E-
Mark
II