31.
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ALTERNATE
CHANGING
OVER
PROCEDURE
BETWEEN THE
NEEDLE
FEED
AND
THE BOTTOM FEED
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WARNING:
A
Turn
OFF
the
power
before
start
in
g
the
work
so
as
to
prevent
accidents caused by
abrupt
start
of
the
sewing machine.
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Parallel
i!;JW!Equal
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2)
fi'Pr
9='WE~ ffiJl@,
WE~@
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I) Remove throat plate @ , feed dog
@and
presser
foot
®for
the needle feed.
2) Remove bobbin case positioning finger
@a
nd
hook@.
3) ~ ~ r
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3) Install the throat plate, feed dog and press
er
foot for the bottom feed, and adjust the lateral and longitudinal
positions
of
the feed dog
in
regard to
th
e feed dog slot
of
throat plate
* Install
th
e feed dog parallel to the dog slot
of
the throat plat
e.
* Adjust the lateral
po
sition
of
the feed dog by loosening clamping screw
ffi
in the feed rocker base arm and
setscrew
CV
in
the feed driving cam, and moving the feed base to the right or le
ft
when the lateral position
cannot be adjusted with the looseness
of
the setscrew hole
of
the feed dog.
* Adjust the longitudinal position
of
the feed dog by loosening clamping screw
ffi
in the feed rocker base arm
- 29 -
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