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26.
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I ADJUSTING THE FEED TIMING
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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.
How
to adjust
the
feed
timing
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The feed timing can be changed
by
changing the stop
position of feed eccentric cam
CD.
1)
Tilt the
sewing
machine
head
and
loosen two
setscrews
Q),
in
feed eccentric cam
CD.
2) Turn feed eccentric
cam Q)to
change
the
feed
timing.
Align graduation
G)
on the
feed
bar driving arm
with
engraved
marker line@on
the feed driving
shaft.
Tum feed eccentric camCDin the
direction
of(+)-- Increases the feed timing.
Tum feed eccentric cam
(D
in the direction
of(-)--
Decreases
the feed timing.
(Caution) For
general
use,
use
the
machine in
t he state
that
center
of graduationG) is aligned
with
the
engraved
marker line.
-
25 -
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