Singer 20U33 - Timing the Feed; Feed Timing Adjustment

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
6.
Remove
block,
lower
presser
bar
lifter,
and make
certain
presser
bar
is
positioned
correctly
so
that
needle
will
locate
centrally
between
the
toes
of
th.e
presser
foot,
7.
Securely
tighten
guide
bracket
set
s~rew-.
8.
Raise
presser
bar
lifter,
turn
machine
pulley
and make
sure
lower
end
of
needle
bar
does
not
interfere
with
presser
foot.
Press
Down
Against
Presser
Bar
Lifter
6.35
mm
r
Fig.
22
Fig.
23
TIMING
THE
FEED
Presser
Bar
Guide
Bracket
Set
Screw
Fig.
24
The
motion
of
feed
dog
in
relation
to
the
needle
should
be
as
follows.
1.
The
feed
dog
should
rise
above
throat
plate
surface
when
needle
rises
approximately
half
way
of
its
upward
stroke.
(Fig.
25-a)
2.
The
feed
dog
should
start
to
move
forward
(away from you)
just
before
the
needle
reaches
its
highest
point.
(Fig.
25-b)
3.
The
feed
dog
should
be
descending
and
just
about
to
go below
the
throat
plate
surface
when
needle
descends
to
a
point
level
with
the
top
surface
of
throat
plate.
(Fig.
25-c)
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18
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