Singer 211U157 - Page 17

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
THROAT
PLATE
FEED
DOG
Fig.
36
PINCH
SCREWS
/\
I
~
I
)
-~
r-
-~_e
___
~
r-_
~
--
~
~==,
---~
= =
LOCKING
SCREW
ADJUSTING
SCREW
FORK
SCREW
Fig.
37
ECCENTRIC
ADJUSTING
DISC
COLLAR
DISC
SPRING
GIB
LOCKING
SCREW
Fig.
38
FEED
DOG
ADJUSTMENT
Before adjusting feed dog, regulate
stitch
length
for
longest
stitch.
If
feed dog
is
correctly
adjusted,
all teeth
should rise evenly and
completely
above
throat
plate
as
shown in Fig. 36.
If
adjustment
is
required,
first
remove
throat
plate, then
tip
machine back and
turn
machine
pulley
over
toward
you
unti
I feed dog
is
at its highest
position.
Loosen
fork
screw
shown in Fig. 37 and raise
or
lower
feed dog
to
correct
position.
Re-tighten
fork
screw.
Feed dog should be set
so
that
when
need
le
is
at lowest
position
of
cycle,
it
will
be
slightly
in
front
of
center
point
of
needle hole in feed dog.
If
needle
is
not
correctly
locc1terJ
in needle hole,
tip
machine back
to
loosen
pinch
screws
shown in Fig. 37 and adjust feed dog to
correct
position.
Prior
to
above adjGstment, check needle bar
to
presser bar
setting
FEED ECCENTRIC ADJUSTMENT
The feed eccentric
is
provided
with
a gib
which
can be
adJusted
to
take up unnecessary
play
between feed
er
centric
and eccentric
body.
To
adjust
gib,
first
loosen
two
locking
screws beside gib and
turn
in
two
adjusting screws
in gib
until
all
play
is
eliminated
and
eccentric
fits
snugly
into
slot
of
eccentric
body.
Securely
tighten
two
lock,n~
screws.
-
16
-
The feed driving
eccentric
adjusting
disc spring provides
pressure against feed
eccentric
cam
to
prevent
it
from
mov-
ing
out
of
oosition
while
the machine
is
operating. The disc
spring
collar
may be moved to
rignt
or
left
to
adjust spring
pressure.
Normally,
collar
is
set flush
with
hub
of
eccentric
body.