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SEWING MECHANISM ADJUSTMENTS
BEVEL
GEAR
SET SCREWS
fig.
36.
Adjtating tho Sewiflg
Mechtnism
LONGI
TUDINAL POSITION
OF HOOK
CHECK:
With
hook
body firmly seated ogoinst
front bu•h·
ing,
and
hook
point at center of needle,
the
di
stan co
between hook point ond needle should be from .002
to
.010
inc
h
(Sec
F
ig.
36).
SETTING:
Loosen
two
bevel
goor set screws and
rront
bushing
sot screw os shown in
Figs.
36 and 37.
With hook
body seated against front bushing,
turn odJU$Iing
p1n as required to obtain .002 to
.010
inch
clearance.
Socuroly tighten front bushing set
screw.
Moinroin
relationship
of
hook point
with center
of needle and
t.Wuen
two
bevel
gear
set screws.
HOOK
TIMING
(Radial Position)
CHECK:
Loop taking occurs when needle bar has
risen
.100
inch
from
bottom deed center position. At tnis
po
sit
ion,
hook point
should
be ot centerline
of
needle
os
shown
ir Fig. 38.
NOTE:
A gouge fo,
po.,ttoning needle
.100
inch
from bottom dead center
position is
available
upon
specific
request
01
additional
charge.
SETTING:
Loosen
lwo hook
body
screws
shown
in Fig. 37.
With needle
set
for .100 inch above bottom deod
center,
move
hook
body
as
required
to position
point
of hook ot centerl ine
of
needle.
Securely
tighten
two hook body
screws.
22
I
I
I
I
I
I
I
\
'
'
HOOK BODY
SCRE\OIS
FRONT
BUSHI~G
SET SCRE\11
r
= . . . , . .
r
. -
I
ilZl.LZllZ
:- .
~
..
J..t.!.
ADJUSTING PIN
~ig.
37.
Sening Longitu
dinal
Position of Hook
HOOK POINT AT
CENTER
OF NEEDLE
Fig. 38. Timing
th&
Hook
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