Oil In The Feed Box - JUKI LH-3500A Series Instruction Manual

To use in safety, replace the oil wick of hook section with a new one approximately once a year
with the procedure below.
❸
❶

4-5. Oil in the feed box

❷
❹
❺
❶
1) Loosen setscrews ❷ (small hook : 2 places,
large hook : 3 places) and remove hook gib ❶ .
2) Remove inner hook ❸ .
3) Loosen oil plug ❹ with the L-shaped screwdriver
(Part No. : B9101490000) and remove it.
4) Draw out oil wick ❺ inserted into oil plug ❹ , and
replace it with a new one.
[Part No. of oil wick ❺ ]
Small hook / Large hook
Oil Q'ty in the hook is largish
When strongly pressing oil wick ❺ , it
may be broken. Lightly insert it to such
an extent that it is not drawn out.
After the replacement, assemble oil plug ❹ ,
inner hook ❸ and hook gib ❶ to the hook by
reversing the above procedure.
Perform confirming of oil splash.
When loosening/assembling, do not allow
the slit section of oil plug ❹ to be burred.
When using the sewing machine, make sure that the
oil is put in the feed box from oil confirming window
❶ .
If you find abnormal discoloring of oil
or dust in the oil through the oil amount
indicating window, loosen the window to
drain oil and fill the oil tank with new oil.
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