Singer 211G166 - Hook Replacement and Bobbin Opener Adjustments; Installing a New Sewing Hook; Setting the Bobbin Case Opener; Timing the Bobbin Case Opener

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
20 •
REPLACING
SEWING
HOOK
(Figure 40)
CAUTION:
The hook is
equipped
with
a
screw
in
the
hub for
adjusting
the
vertical
posi-
tion
of
the
hook relativ·e
to
the
throat
plote
sect.
This
position
is
set
with
a
gauge
ot
the
factory.
WHEN
REPLACING A
HOOK,
CARE MUST
BE
TAKEN
TO
SEE
THAT
THE
BOB-
BIN CASE STOP
FINGER,
1,
FITS
CORRECTLY
IN
THE
THROAT PLATE! For
correct
adjustment,
see
instructions
concern
in~ hook
height
adjustment
on
page
18.
ADJUST!
NG
BOBBIN CASE OPENER (Figure
40)
The
bobbin
case
opener,
1,
should
be
set
so
that
it
touches
the
bobbin
case
as
lightly
as
possible
and
turns
the
bobbin
case
enough
to
make
a
sufficient
opening
for
the
free
passage
of
thread
between
throat
plate
and
bobbin
case.
TIMING
BOBBIN CASE OPENER (Figures
40
and
41)
Turn
machine
pulley
over
toward
you
until
lower
timing
mark
on
needle
bar
is
even
with
edge
of
needle
bar
frame
on
upward
stroke
of
needle.
When
needle
bar
is in
this
position,
reference
mark A should
line
up
with
reference
mark B on hook
saddle,
as
indicated.
If
opener
shaft
is ·out
of
time,
tip
machine
back
and
loosen
socket
screws
2.
Return
machine
to
upright
position
and
turn
opener
driving
shaft
with
screw
driver
in
cap
screw
3.
Tighten
socket
screws
2 in
opener
driving
gear
hub.
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_
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3 A
8
(b
fi
2
-
Figure
40
Figure
41
--...,I