OPERATION
Relationship between needle
motion
and
feed
dog
motion
(1)Set feed length to
"0"
on the feed setting
dial.
(2)
Lean
the
machine
head
backward.
(3) Loosen the feed lifting rock shaft crank set
screws
(§) and (§) .
(4) Set the needle at the lowest position.
(5) Adjust
the
distance between presser rod
and
vibration
prevention
rod
to
9mm
and
temporarily tighten the feed lifting rock
shaft
crank
set
screws
@
and
(§) .
(6j Check that the right feed lifting rock shaft
crank is connected with the link at right
angle, as
shown
in Figure.
(71
If the
connection
is not at
right
angle,
re
move
the
back
cover,
loosen
screw
@ and
move
the
right link to
connect
the
right feed
lifting rock shaft with the link at right angle.
(8) After the completion of adjustment, fully
tighten
the
screws
@ , (§) and © .
At
this
time
make
certain
that
needle
can
enter
the
feed
dog
needle
hole
at
the
center
of
the
hole.
Needle
rod
9mm
Screw
Screw
(g)
—Vibration
prevention
rod
Feed
lifting
rock
shaft
crank
(right)
kvx
J
Screw©
-
12
-
Feed
lifting
rock
shaft
crank
(middle)
.Feed
lifting
rock
shaft
crank
(right)
Link
Screw©
•aij.
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com