JUKI AW-3S Instruction Manual page 42

(2) Cleaning the bobbin and bobbin case
2) Put a drop of oil No. 2 in the bobbin case in accordance with
(3) Cleaning the mechanical section
❶
❷
(4) Cleaning the sensor
❹
* Be sure to carry out cleaning of the periph-
ery of hook every working day.
When sewing some types of materials, a great
deal of dust can be generated. In such a case,
carry out cleaning of the periphery of hook several
times a day where necessary.
1) Wipe off oil and dust gathering on the bobbin
case. In particular, carefully wipe off oil and
dust from the bobbin case shaft section.
In addition, blow away oil and dust gathering
under the bobbin idling prevention spring
inside the bobbin case with an air gun.
"3-3. How to set a bobbin"
Carry out cleaning of the mechani-
cal section once a twice a week.
❸
1)
2)
Carry out cleaning of sensor ❹ in the remain-
ing-thread removal section with an air gun once or
twice a week.
– 40 –
p.8.
Carry out cleaning of each belt
❶ and pulley ❷ with an air
gun.
In addition, carry out cleaning
of moving sections other than
those shown in the figure ap-
propriately.
Carry out cleaning of each
shaft ❸ with an air gun.