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5. MAINTENANCE OF SAWING MACHINE
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of the
sewing machine. In addition, attach the covers which have been removed before operation back in
place.
No.
Region
1
The area under the throat plate, area
surrounding the hook, bobbin case
and its inner portion, thread trimming
area, needle bar area, areas inside
and outside of the presser foot,
openings of the electronic control
box such as air inlet and outlet, and
the regions in which thread waste,
thread end and other stains are likely
to remain.
2
Application of grease to the needle
bar lower bushing
❶
❷
Explanation
Clean up the surface of equipment
with a tool such as an air gun. In
particular, clean up the regions in
which the aforementioned thread
waste, thread end and other stains
are likely to remain.
Carry out this work
while remaining the
needle bar, etc. in-
stalled.
1. Remove the face plate.
2. Remove needle bar lower bush-
ing grease lubrication screw ❶
with a hexagonal wrench.
3. Remove the cap of exclusive
grease tube ❷ . Put the tip of
the grease tube into the oil hole
to add exclusive grease ❷ .
At this time, add the grease
until the grease overflows from
the oil hole.
4. Push in grease overflowing from
the oil hole with the lubrication
screw.
5. Wipe off the overflowing exclu-
sive grease (from around the
lubrication screw).
– 62 –
Operating time
Eight hours
Operation for 720 hours
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