− 6 −
5. HOW TO INSTALL THE BOBBIN CASE
❶
①
Hold in hand a bobbin in the way that it spins
clockwise and put it into the bobbin case.
②
Pass the thread through slot
❶
in the bobbin
case.
③
Pull the thread to pass it under the tension
spring.
4. HOW TO THREAD THE BOBBIN CASE
Bobbin case
Bobbin
❶
①
Raise hook levers
❶
and take out the bobbin
cases together with the bobbins.
②
When fi tting, fi t the bobbin cases into the hook
driving shaft and tilt levers
❶
.
❷
❸
0.2 to 0.3mm
When bobbin cases, left and right,
❷
are
replaced, make sure that the clearance
between the opener which is extremely
receded and the bobbin case is 0.2 to 0.3
mm. If the clearance is not 0.2 to 0.3 mm,
loosen setscrew
❸
and adjust it.
CAUTION
:
Turn OFF the power before starting the work so as to prevent accident caused by abrupt start of the
sewing machine.
To Next Page
Loading...
