the position finger accurately, use
gauge
8951-100
(Fig
. 87).
loosen
the
set
screw
in
the position finger bracket,
and
insert the narrow tip
of
the
goug
e
between the position flnger
and
the bottom
of
the position slot. Push the posi-
tion finger bracket forward until it touches
the
gauge
just lightly, then tighten
the set screw.
The
gauge
must neither jam nor have excessive
play
in
the
slot.
Fig.
86
Ad
justing the positi
on
finger
bro
cket
Fig.
87
Pos
it
io
n
finger
gouge
SeHing the Needle Bar
at
Correct
He
ight
It
is
advisable
to
set the needle
ba
r
at
the correct height only
after
the
zi
gza
g
mechanism
and
the sewing hook have been adjusted,
as
instructed
abo
ve.
If
the
procedure
is reversed, it may
be
impossible
to
trace
an
adjustment
erro
r
made
previously ..
To
set
the
needle
.bar
at
the correct height, remove both the needle
plate
an
d
the face
cover,
ond
insert a No. 90 needle.
Set
the machine for the widest zig-
zag
stitch, put
the
n
eedle
position lever
in
the central notch,
and
rotate
the
balance
wheel until the point
of
the
sew
ing hook
is
exactly
opposite
the cen
ter
line of the needle when
the
latter descends
on
the left
of
its throw (Fig.
88)
.
The needle
bar
is
set
at
th
e
co
rrect height if the
hoo
k point is
about
.02", or
0.5
mm,
above
the
top
of
the needle eye. To adjust,
pass
a screwdriver through
the
aperture
in
the needle
bar
frame, loosen needle
bar
set screw A (Fig.
88)
,
and
set
the
needle
bar
hi
gher
or
lower,
as
may
be required. Make
su
re,
ho
w-
ever
,
that
the
needle
bar
is
not
rot
ated
in the process. After this adjustment,
tighten the nee
dle
bar
set screw securel
y.
Adjusting the Feed Dog in the Feed Slot
Lateral Adjustment
The feed rows should
be
position
ed
in
the
center
of
the feed slots
and
mu
st
not chafe
against
th
e side walls.
53
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