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4.
Remove
the
pattern
case
setting
base
and carrying
case
reinforcing
plate, then
the
needle
shank cover
will
come
off.
(Fig.
71)
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3-2
Assembling
the power supply
board.
1).
Mount the power supply
board.
2),
Connect
the
connectors
58, 59,
and
51 1
of
the power supply
P.C.B.
3).
Mount
the pattern
case
setting
base
and
the carrying
case
reinforcing
plate.
A.
Fasten
the
screws
for
the
rear
rail
side
provisionally.
B. For the
carrying
case
side. insert them
between
the
timing
belt cover
L
and
the setting plate
of
the
carrying
case
and fasten
the
screws
securely.
5.
Remove
the
three
screws
and
take
off
the
power
supply
P.C.B.
Fig.71
(Fig.72l
C.
lnsert
the
notch
of
the
needle shank
cover
to
the
carrying
case
reinforcing plate
of
the
rear
rail
side and
the other
side
of
itbetweenthe
setting
base
of
the carrying case. (Fig.
74)
Fasten
the
screws.
Fis.72
Timing belt
cover
-39-
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