Singer 211G166 - Sewing Hook Height, Timing, and Clearance; Setting Sewing Hook Height; Setting Hook-Needle Clearance; Synchronizing Hook Timing

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18
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ADJUSTMENT
OF
SEWING
HOOK
HEIGHT (Fjgures
35
and
36)
When
lower
timing
mark
on
needle
bar
is just
visible
ct
lower
end
of
needle
bar
frame
on
upward
stroke
of
need
le,
the
hook shou
Id
pass
about
1/16
inch
above
upper
edge
of
needle
eye
as
shown
in
Figure
35.
'
To
adjust
height
of
sewing
hook,
·first/fasten
throat
plate
to
bed
of
machine
end
place
bobbin
case
stop
finger
in sewing
position.
Poss a • 032
inch
shim
between
bobbin
case
stop
finger
and
throat
plate.
If shim is
too
tight
or
too
loose,
turn
machine
pulley
over
toward
you
so
that
the
hook hub
socket
screws
1
shown
are
accessible
with
a
socket
wrench.
loosen
both
screws
and
remove
cloth
washer
from
bobbin
case.
Turn
bobbin
case
until
one
of
the
holes
is in
line
with
hook
height
adjusting
screw
2.
To
raise
hook,
turn
hook
height
.adjusting
screw
2
clockwise.
To
lower
hook,
turn hook
height
adjusting
screw
2
counterclockwise.
Retighten
socket
screws l
and
turn
hook
height
adjusting
screw
2
again
just
enough
to
leave
a
light
tension.
Check
sewing
hook
timing.
ADJUSTMENT
OF
DISTANCE
BETWEEN
SEWING
HOOK
AND
NEEDLE
(Figure 37)
To
prevent
hook
point
from
dividing
strands
of
thread,
it
should poss as
near
to
the
need-
le as
possible
without
hitting
it.
Turn
machine
pulley
over
toward
you
until
sewing
hook
point
is in
the
position
nearest
to
needle.
Tip
machine
and
lo_osen
hook
saddle
screw
3.
Adjust
hook
saddle
until
hook
point
is
as
close
to
needle
as
possible
without
hitting
it.
Retighten hook
saddle
screw
3.
BE
SURE
HOOK
DRIVING GEARS
ARE
CORRECTLY
SET
WITH RELATION
TO
FACE
OF
HOOK
SADDLE.
USE
.008
INCH SHIM
•.
The
function
of
the
needle
guard
5 is to
prevent
hook
point
from
striking
needle,
if
needle
is
deflected
after
penetrating
material.
The
needle
guard
5
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.
Tl
Ml
NG
THE
SEW!
NG
HOOK
(Figure 38)
Regulate
stitch
length
so
that
there
is no
feeding
motion.
Remove
throat
plate
and
'
,r
machine
pulley
over
toward
you
until
lower timing mark on
needle
bar
is just
visible
at
lower
edge
of
needle
bar
frame
on
upward stroke
of
needle.
With
needle
in this
position,
sewing hook
is
correctly
timed
if hook
point
is
at
vertical
centerline
of
needle
blade.
If
sewing hook is
not
correctly
timed,
loosen
socket
screws 6
and
turn
to
proper
timing
position
specified
above.
REMOVING
BOBBIN CASE FROM SEWING
HOOK
(Figure 39)
Remove hook
gib
screws 7 from sewing
hook.
Lift
off
hook
gib
8
and
remove
bobbin
case.