Singer 281-30 - HOOK CLEARANCE AND POSITION FINGER SETTINGS; Adjusting Needle-Hook Point Clearance (Continued); Setting the Position Finger Clearance

From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
SETTING THE CLEARANCE BETWEEN
NEEDLE
AND
HOOK
POINT (Continued)
To
move
hook
point
toward
or
away
from
needle,
loosen
the
two
bevel
gear
screws
shown
in
Fig.
47
and
loosen
bushing
set
screw
shown
in
Fig.
48.
MAKE CERTAIN THAT BEVEL
GEARS
ARE
KEPT
IN
MESH
CONSTANTLY
UNTIL
THEIR
SCREWS
ARE
SECURELY
RETIGHTENED.
Using
a
light
mallet
and
a
1/4
inch
brass
drift
pin,
move
hook
assembly
toward
or
away
from
needle
as
required.
Figs.
48
and
49
show
correct
placement
of
drift
pin.
TAP VERY
LIGHTLY
to
avoid
damaging
hook
assembly.
Securely
tighten
_bushing
set
screw.
Remove
al
I
end
play
from
hook
shaft
by
moving
hook
assembly
firmly
against
front
hook
shaft
bushing
and,
at
the
same
time,
moving
hook
shaft
·bevel
gear
toward
sewing
hook
end
of
shaft.
Fig.
48.
Position
of
Drift
Pin
when
Moving
t-:Ook
T
award
Nee
die
SETTING
THE POSITION FINGER
Clearance
between
position
finger
and
bobbin
case
holder
should
be
just
sufficient
to
allow
thread
to
pass
through
easily.
Normally
an
.018
to
.022
inch
clear-
ance,
as
shown
in
Fig.
50,
is
required.
If
necessary,
"bend
position
finger
CAREFULLY
to
achieve
this
setting.
Top
surface
of
the
pas
it
ion
finger
mu
st
be
kept
level
with
the
top
surface
of
the
bobbin
case
holder.
Fig. 47. Bevel
Gear
Screws
Tighten
screw
l,
Fig.
47
on
bevel
gear.
Securely
tighten
bevel
gear
screw
2,
Fig.
47.
--
Rep
I
ace
al
I
parts
previously
removed.
Check
thread
c I
earance
between
position
finger
and
bobbin
case,
as
inst~ucted
next.
Fig.
49.
Position
-of
Drift
Pin
when
Moving
Hook
Away
from
Needle
BOBBIN
C
CASE
.018"
TO
.022"
CLEARANCE
t·
HOLDER-----~
L·
POSITION..........-1f
FINGER
POSITION
FINGER
~SCREW
Fig.
50.
Position
Finger
19