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9-9. Replacing procedure of the hook shaft oil wick
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.
L-shaped spanner
1
9-10. Applying the exclusive grease
4
136
3
2
1
2
3
5
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.
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.
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