Singer 211U157 - Page 14

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
ADJUSTMENT
OF DISTANCE BETWEEN
SEWING
HOOK
AND
NEEDLE
To
prevent
hook
point
from
dividing
strands
of
thread,
it should
pass
as
near
to
the needle
as
possible
without
'titting
it.
Turn
machine
pulley
over
toward
you
until
sewing
hook
point
is
in
the
position
nearest
to
needle.
Tip
machine and
loosen
hook
saddle screws shown in Fig. 27.
Adjust
hook
without
hitting
it.
Retighten
hook
saddle screws.
BE
SURE
HOOK
DRIVING
GEAR
SHOWN IN
FIG.
27
IS
COR-
RECTLY
SET
WITH
RELATION
TO
FACE
OF
HOOK
SADDLE.
USE
.008
INCH
(0.2
mm)
SHIM.
NEEDLE
GUARD
The
function
of
the
:1ee'.Jle
guard shown in Fig.
46
is
to
prevent
hook
point
from
striking
needle,
if
needle
is
de-
flected
after
penetrating
material.
The needle guard
can
be
bent
with
a pair
of
pliers,
if
necessary,
but
care should
be
taken
to
prevent
guard
from
interfering
with
normal path
of
needle.
TIMING
THE
SEWING
HOOK
Set feed
driving
eccentric
to
eight stitches per inch
Rer:iove
throat
plate
and
turn
machine
pulley
over
toward
vo•~
until
lower
timing
mark
on needle bar
is
just visible at
lower
edge
of
needle bar
frame
on
upward
stroke
of
needle.
\
1
.'ith
needle in
this
positior,,
sewing
hook
is
correctly
timed
if
hook
points
are
as
show:1 on Fig
29A.
CENTER
LINES
OF
NEEDLES
RIGHT
NEEDLE
HOOK
POINT
~HOOK
POINT
FRONT
OF
MACHINE
Fig. 29 A
If
sewing
hook
is
not
correctly
timed,
loosen socket
screws
shown
in
Fig.
29
and
turn
hook
to
proper
timing
position
as
specified above.
Tighten
socket screws.
-
13
-
HOOK
SADDLE
SCREW
HOOK
DRIVING
GEAR
Fig.
27
NEEDLE
GUARD
Fig.
28
V
SOCKET
SCREWS
Fig.
29