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10. ADJUSTING THE AMOUNT OF OIL ( OIL SPLASHES ) IN THE HOOK
WARNING:
Be extremely careful about the operation of the machine since the amount of oil has to be
checked by turning the hook at a high speed.
When carrying out the procedure described below in 2, remove the slide plate and take extreme
*
caution not to allow your fingers to come in contact with the hook.
1) If the machine has not been sufficiently warmed up for operation, make the machine run idle for
approximately three minutes. (Moderate intermittent operation)
2) Place the amount of oil (oil spots) confirmation paper under the hook while the sewing machine
is in operation.
3) Confirm the height of the oil surface in the oil reservoir is within the range between
"HIGH" and "LOW.
4) Confirmation of the amount of oil should be completed in five seconds.
(Check the period of time with a watch)
Sample showing the apprpriate amount of oil
1) The amount of oil shown in the samples on the
left should be finely adjusted in accordance
with sewing processes. Be careful not to
excessively increase / decrease the amount of
oil in the hook. (If the amount of oil is too small,
the hook will be seized (the hook will be hot).
If the amount of oil is too much, the sewing
product may be stained with oil.)
2) Adjust the amount of oil in the hook so that the
oil amount (oil splashes) should not change
while checking the oil amount three times
(on the three sheets of paper).
-5-
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