Maintenance Of Sawing Machine - JUKI PS-800-12080 Instruction Manual

5. MAINTENANCE OF SAWING MACHINE

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 elec-
tronic 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 Lubricate the machine through the
Y-direction ball screw nut oil hole.
❼
❺
❹
❸
❶
Fig. 1
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.
1. Detach rubber plug ❶ .
2. Enter the manual frame travel
screen from the operation panel.
Press key ❷ to move X-direc-
❶
tion linear module backward. In
addition, move oil hole ❹ on the
Y-direction ball screw nut to the
lower portion of table hole ❸ .
3. Fully open the grip of grease
gun (Fig. 1). Align grease gun
nozzle ❺ with oil hole ❹ . Then,
turn the grip to move it near the
❷
body of grease gun to lubricate
the oil hole once.
4. Lubricate each portions requir-
❻
ing lubrication at least five times.
The oil amount for each portion
should not fall below 5cm
5. Every time the grease is added
through oil hole, press key ❻
and ❷ several times to move
the Y ball screw nut back and
forth to spread the lubricating
oil over the clearance between
balls.
6. After the completion of lubrica-
tion, check to make sure that the
grease exudes between the ball
screw and the nut.
7. After the completion of lubrica-
tion, return rubber plug ❶ to its
original position.
8. Lithium based grease No. 2
should be used as lubricating
grease. Do not use it with mixed
with other type of lubricating
grease.
– 50 –
Explanation
3
.
Operating time
Eight hours
According to the usage
environment, the sewing
machine may sew 100
million stitches.
(Lubrication should be
carried out when one of
the following conditions
has been reached.)
When the sewn number
of stitches has reached
100 million stitches; or
When the sewing ma-
chine has been used for
three months