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1-8. Thread breakage detector plate
1-9. Draining waste oil
1-10. Amount of oil supplied to the hook
4
3
2
1
2
1
3
1
– 127 –
1)
Adjust so that thread breakage detector plate
1 is always in contact with thread take-up
spring 2 in the absence of needle thread.
(Slack: approx. 0.5mm)
2)
Whenever the stroke of thread take-up spring
2 has been changed, be sure to readjust
thread breakage detector plate 1 . To make
this adjustment, loosen screw 3 .
Adjust so that thread breakage detec-
tor plate 1 does not touch any adja-
cent metallic parts other than thread
take-up spring 2 .
When polyethylene oiler 1 becomes filled with oil,
remove polyethylene oiler 1 and drain the oil.
1)
Loosen setscrew 1 and remove setscrew 1 .
2)
When screwing in adjustment screw 2 , the
amount of oil of oil pipe, left 4 can be re-
duced.
3)
After the adjustment, screw in setscrew 1
and fix it.
1. The state of standard delivery is the
position where 3 is lightly screwed
in and returned by 4 turns.
2. When reducing the amount of oil,
do not screw in the screw at once.
Observe the state for approximately
half a day at the position where
3 is screwed in and returned by
2 turns. If reducing is excessive,
worn-out of the hook will result.
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