JUKI LH-3500A series, Инструкция по эксплуатации

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To use in safety, replace the oil wick of hook section with a new one approximately once a year
with the procedure below.
1) Loosen setscrews ❷ (small hook : 2 places,
large hook : 3 places) and remove hook gib ❶ .
When strongly pressing oil wick
❺
, it
may be broken. Lightly insert it to such
an extent that it is not drawn out.
When loosening/assembling, do not allow
the slit section of oil plug
❹ to be burred.
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
]
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.
❶
❷
❹
❺
❸
4-5. Oil in the feed box
When using the sewing machine, make sure that the
oil is put in the feed box from oil confirming window
❶ .
❶
Small hook / Large hook 11015906
Oil Q’ty in the hook is largish 11404704
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.