– 134 –
1) Loosen setscrew
1
and remove setscrew
1
.
2) When screwng n adjustment screw
2
, the
amount of ol of ol ppe, left
4
can be re-
duced.
3) After the adjustment, screw n 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.
1-8. thread breakage detector plate
1
1) Adjust so that thread breakage detector plate
1
s always n contact wth thread take-up
sprng
2
n the absence of needle thread.
(Slack: approx. 0.5mm)
2) Whenever the stroke of thread take-up sprng
2
has been changed, be sure to readjust
thread breakage detector plate
1
. To make
ths 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
.
3
1
1-9. Draining waste oil
When polyethylene oler
1
becomes filled with oil,
remove polyethylene oler
1
and dran the ol.
2
1-10. Amount of oil supplied to the hook
1
2
4
3
