139
1) Hook shaft oil wick
1
is mounted on the top end
of hook shaft
3
. Remove the needle and the
parts around the needle (presser foot, needle,
throat plate, feed plate, hook and woodruff plate),
put a spanner, top end of which is L-shaped to
the groove section of hook shaft oil wick screw
2
, turn the handwheel in the normal direction of
rotation by hand, and draw out the screw.
2) Draw out hook shaft oil wick
1
from hook shaft
oil wick screw
2
which has been drawn out and
push a new hook shaft oil wick
1
(JUKI Part No.
: 11015906) to hook shaft oil wick screw
2
(JUKI
Part No. B1808552000). At this time, be sure to
check that hook shaft oil wick
1
has entered up
to the end of hook shaft oil wick screw
2
.
* When re-assembling, check that the hole at the
top end of hook shaft oil wick screw
2
is not
broken.
3) Securely tighten hook shaft oil wick screw
2
to
the top end of hook shaft
3
.
q
w
e
l-shaped spanner
WarNING :
to protect against possible personal injury due to abrupt start of the machine, be sure to start the
following work after turning the power off and ascertaining that the motor is at rest.
9-9. replacing procedure of the hook shaft oil wick
9-10. applying the exclusive grease
It is effective to periodically replenish the grease
using the exclusive grease (grease tube part No.
: 40006323) supplied as accessories. (It is not
necessary to replenish the grease when the sewing
machine is operated under the normal condition.
However, when the sewing machine is operated
under the severe condition, perform replenishing.)
Apply the exclusive grease supplied as accessories
to all of the rocking mechanism components (
1
through
5
) located inside the face plate section.
However, do not apply the grease to the needle bar.
1
2
3
4
5