Singer Centurion 121C - FEED DOG HEIGHT ADJUSTMENT; AT 043 INCH; AT 032 INCH

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
TO
ADJUST
FEED DOG HEIGHT AT
.043
INCH
(FOR
SEWING
ALL TYPES
OF
MATERIAL
EXCEPT
"WASH
AND
WEAR")
1.
Set
machine
for
sewing
approximately
14
stitches
per
inch.
2.
Loosen
screws
"A"
and
"B"
of feed
bar
carrier
(Fig. 1
).
3.
Insert
screwdriver
into
hole
of
bed
(Fig. 1
),
and turn
eccentric
hinge
pin
"C"
to
bring
feed
dog
at
maximum
height
above
throat
plate
with
slot
positioned
vertically.
4.
Tighten
screws
"A"
and
"B".
5.
Loosen
nut
"D"
(Fig. 1
).
6.
Turn
eccentric
stud
"E"
several times. Please note
that
the feed
bar
will
rock
back
and forth.
Visually
position
feed
bar
rock
motion
towards
the
operator
with
slot
in ver-
tical
position
(Fig. 1). Again turn
eccentric
stud
"E",
slightly,
until
feed dog is
.043
inch
above
throat
plate
as
shown
in Fig.
2.
7.
Tighten
nut
"D".
8.
Always
make
certain
the feed
dog
does
not
strike
the
throat
plate.
TO
ADJUST
FEED DOG HEIGHT AT
.032
INCH
(FOR
SEWING
"WASH
AND
WEAR"
MATERIALS)
1.
Follow
procedure
1
through
8 as noted above
except
for item 6. Set feed
dog
.032
inch
above
throat
plate
as
shown
in Fig.
2.
1 2