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Global 390 D - Adjusting the Feed Timing

Global 390 D
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state that shafts
CD
and
Q)
are pushed against the hand-wheel side.)
Caution:
I.
If
the tilt
of
the feed
dog
is adjusted 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 on the adjusting position
of
the
shaft. At this time, loosen setscrew
CI!
in
feed rocker shaft
arm
(])
and adjust the movement position.
19.
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Adjusting
the feed timing
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Warning: Turn
OFF
the power before starting the work so as to prevent accidents caused
by abrupt start
of
the sewing machine.
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The feed
timing
can be
changed
by changing the stop position
of
feed
eccentric cam
CD.
How to adjust the feed timing
I.
Tilt the sewing machine head and loosen two setscrews
Q)
in feed eccentric
cam
CD.
2. Turn feed eccentric
cam
CD
to
change
the feed timing. Align graduation
Q)
on the feed
bar
driving arm with engraved marker line
@)
on the feed driving shaft.
~
Turn feed eccentric
cam
CD
in the direction
of
( +
)-t
Increases the feed timing.
~
Turn feed eccentric
cam
CD
in the direction
of
(-)
-+Decreases the feed timing.
Caution:
For
general use, use the
machine
in the
state
that
center
of
graduation
Q)
is
aligned
with the engraved marker line.
-
18-
From the library of: Superior Sewing Machine & Supply LLC
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com

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