Singer Centurion 121D - Page 12

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
FEED DOG SETTING
Centrally
locate
feed
dog
in
throat
plate
slots. Feed
dog
must
not
make
contact
with
throat
plate, as noted.
Align
by
loosening
feed
dog
screws.
Then
retighten
screws
Fig.
A.
FIG. A
I
4
3
4
I
2
LATERAL SETTING:
Loosen feed
bar
carrier
pinch
screw
(Fig. 8).
Shift
feed
bar
as re-
quired
to
locate
feed dog in
throat
plate
slots
as
shown
above.
Ensure
that
feed
bar
does
not
contact
position
finger
(not shown).
Tighten
pinch
screw
and
check
axial
play
at
pen-
dant
link.
Adjust
feed
lifting
shaft
left
or
right
to
minimize
play.
Feed
Bar
Hinge Pin -
(eccentric)
Feed
Bar Hinge
Pin Locking
Screws
Feed
Bar
Carrier
Pinch
Screw
Feed Bar Stud
Locking Nut
\
Feed Bar Stud
-'8
._.,-.--.._..-
(eccentric)
FIG. B
10
Feed
Lifting
Shaft