7. Adjusting
the
needle
stop
position
after
thread
trimming
You can adjust Hieposition at which the needle stops after a thread trimming has been completed.
The
standard needle
stop
position is shown by the coincidence
of
the white
dot
marked on the
hand
wheel
with
the
red
dod
on
the
machine
arm.
This
adjustment
can be
made
by changing
the
installation angle of the sensing element
of
the synchronizer component. Refer to the separate
Instruction Book prepared for the
motor
assembly for the details
of
adjustment.
"HITACHI"
motor;
Remove
the
cover
from
the
synchronizer
component and adjust the installation angle
of the printed circuit board within the adjust
able range of the oval holes on thestater flange.
White
Red
dot
Printed
circuit
board
cover
Stater
flange
\
Magnetic
"MATSUSHITA"
motor:
Remove
the
cover
from
the
synchronizer
and
adjust the installation angle of the magnetic
plate.
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26
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