25.
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HEIGHT
AND TILT
OF
THE
FEED
DOG
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WARNING:
A
Turn
OFF
the
power
before
starting
the
work
so
as
to
prevent
accidents caused
by
abrupt
start
of
the
sewing machine.
0.
75-0.85
mm
~=
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Height
of
the feed dog is adjusted so that the feed dog protrudes from the throat plate surface by 0.75 to 0.85mm
Adjust the height in accordance with the material to be used.
(1) Adjusting
the
height
and
tilt
of
the
feed dog
I) Loosen setscrew
~in
feed bar driving shaft
CDand
setscrew
@in
feed bar rocker shaft(})
2) Height and tilt
of
the feed dog will change by turning both shafts
CD
and Q)with a screwdriver.
3) For the relation between the rotaing direction
of
each shaft and tilt
of
feed
bar@
, reger to the frgure on the
left.
4) After the adjusment, securely tighten the setscrews. (Tighten setscres
~a
nd
@in
the state that shafts CDandQ)
pushed against the handwheel side.)
(Caution)
(1)
If
the
tilt
of
the
feed
dog
is aj usted with
one
shaft
only
,
the
height
of
the
feed
dog
changes.
Be
sure
to
adjust
it
with
both
shafts.
(2)
Movement
position
of
the
feed
dog
may
be shifted
depending
ont
he
ajusting
position
of
the
shaft
.
At
this time, loosen setscrew
<3)
in feed
rocker
shaft
arm
~
and
adjust
the
movement
position.
-
24
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