11§1
Adjusting thread trimmer
cam
position.
1.5mm
1)
Fit the roller
of
the thread trimmer driving lever
0
into
the groove
of
the thread trimmer
cam
@,then
turn the pulley.
2)
Vertically adjust the thread trimmer
cam
@
to
provide -1.5 mm ·clearance
with
the
thread
trimmer driving lever 0 when
the
thread
trimmer driving lever
0 returns
to
its original
position
to
touch the driving lever stopper
@).
Fully
turn
the plunger
of
the thread trimming
solenoid 0 in the direction
of
the arrow, then
adjust
the
solenoid lever e
so
that
there
is
a 1
mm
clearance between
the
thread
trimming
driving lever@
and
driving lever stopper
@).
Ill]
~djusting
thread trimmer driving lever position
-54-
1)
Turn the pulley
to
place
the
thread
trimmer
cam
0
with
its large curved grooved up.
2)
Set
the roller @
of
the thread trimmer driving
lever
into
the groove
of
the
thread
trimmer
cam
0,
loosen the
nut
@)
and adjust the adjust
screw
e
so
that
the
roller
of
the
thread
trimmer driving lever smoothly returns
to
its
original position.