ADJUSTING THE HEIGHT OF THE PRESSER BAR
Presser
bar
clamp
screw
When
the height or the direction of the
presser bar is to be changed due to the
exchange
of
presser foot:
1. Remove the rubber plug of the face plate.
2. From this hole, adjust by loosening the
presser bar clamping screw.
3. After the adjustment, securely tighten the
set
screw.
ADJUSTING THE AMOUNT OF THREAD TAKE-UP
^
Thread
guide
More
Less
r~/
The
amount
of
the
thread take-up should
be changed according to the length of stitches
or thickness
of
the
sewing
cloth
to
produce
ideal
thread
tension.
1. When sewing heavy weight materiab, move
the thread guide to your left.
The thread take-up amount of the take-up
gets
more.
2. When sewing light weight materials, move
the
thread
guide to
your
riglit.
The thread take-up amount gets less.
ADJUSTING
THE
PRESSING
PRESSURE
OF
THE
FEED
LEVER
(DDL-555)
The reversing spring of the feed lever is
strengthened somewhat so
that
at high speed
sewing, no matter what kind
of
stitches are to
be
formed,
the
lever
returns
positively to
the
original
position.
When
the
stitching
pitch
is small or
when
the
machine is
to
be
run
by lowering
the
r.p.m.,
the pressing pressure of the feed lever can be
lessened
by
loosening
the adjusting nut
(T)
of
the accompanying figure.
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