so that the feed dog does not come in contact with the throat plate (the front and rear clearances should be
almost equal.) at the position where the feed dog moves to the extreme front
or
to the extreme rear when the
scale
of
feed dial is set to the maximum.
* When the feed driving cam is loosened, be careful that the longitudinal position between the feed driving cam
and the feed rocker base arm is not
slipped. (Be careful that the feed driving cam is not excessively pressed.)
4)
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Q),
trf'~=tLj1;Jt19:it£tH1ll
llll
Wi
(
1W
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o
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IW
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Q)
o
4) Remove
cap
Q)
in the back
of
machine arm and
loosen the
clamping screw in the needle feed sha-
ft arm (front) located
in
the hole, At this time,
adjust
so
that the needle tip is above the throat
plate so as not to damage the needle and the thr-
oat plate.
* For the models with wiper, remove the wiper and
remove cap
Q)
.
s)
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m
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o
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5) Tilt the machine head, remove hinge screw @ in the needle feed connecting rod in the machine bed and fix
needle feed connecting rod ® to strut
(3).
*
If
it is difficult to remove hinge screw
@,
remove float case Q) .
*After
replacing hinge screw
@,
securely insert the float case until it will go no further.
(Insert the top end
of
float
in
the float case into the hole
in
the machine bed.)
- 30 -
6) Sollevare la testa della macchina e rimuovere la
piastra frontale ® .
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