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7-2. Cleaning
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.
❶
❷
❸
7-3. Applying grease
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.
1. When the machine needs replenishment of grease, an alarm sounds. Once
the alarm sounds, replenish grease. In the case the machine is used under
harsh environment, it is recommended to replenish grease once a year for
ensuring effective greasing.
2. Do not apply oil to the sections which are lubricated with grease.
3. Be aware that grease can leak from the thread take-up cover and needle bar
if the amount of grease is excessive.
4. Be sure to use JUKI GREASE A TUBE ❶ (part number : 40006323).
■ Cleaning the oil filter
Loosen fastening plate ❶ on the back-flow side.
1)
Remove oil filter joint (asm.) ❷ on the back-flow
side.
Clean up filters ❸ , ❹ and ❺ and oil reservoir
2)
❻ of the oil pan.
Be sure to clean up the oil reservoir of the
oil pan and the filter case approximately
once a month.
If the filter is clogged with soil, lubrication
fails resulting in trouble.
❹
❺
❻
■ Cleaning the stitch skipping detection
sensor, bobbin thread remaining amount
detection sensor and cover sensor
If the sensor errors occur frequently, clean up the
encircled portions in the figure with an air blower.
If the sensor error still occurs after the cleaning with
an air blower, carefully wipe the dirt off the sensors
with a cotton swab, or the like.
– 99 –
❶
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