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1. MAINTENANCE
1-1. Adjusting the needle-to-shuttle relation
* Turn ON the power once, and turn OFF the
power again after making the intermediate
presser in the lowered state.
1) Turn the pulley by hand to lift needle bar
❶
from its lowest point until marker line
❷
is
aligned with the bottom end of the needle bar
frame.
III
. MAINTENANCE OF SAWING MACHINE
WARNING :
Turn OFF the power before starting the work so as to prevent accidents caused by abrupt start of
the sewing machine.
2) Loosen setscrew
❸
in the driver. Drawing
bobbin case opening lever hook
❹
toward you,
open it to the right and left until bobbin case
opening lever
❺
comes off.
At this time, be careful not to let shut
-
tle
❻
come off and fall.
1.
Use the left needle for adjustment.
2.
In the case the right and left needles
differ in the count, use the thinner
one as the left needle and carry out
adjustment.
❶
0 mm
0 mm
❸
❸
❺
❻
❹
❹ ❺
❻
❼
❽
❷
3) Adjust so that the point of shuttle
❻
meets the
center of needle
❼
, and that a clearance of 0
mm is provided between the front end face of
driver
❽
and needle as the front end face of
driver receives needle to prevent the needle
from being bent. Then tighten setscrew
❸
.