Willcox & Gibbs 500/II User Manual

PRESSURE
OF
PRESSER
FOOT
Fig. 11
Pressure
of
presser
loot
is
requlated
by
means
of
tilunhl)
screw
0.
Pressure
on
presser
foot
should
be
just
enough
to
lend
material
and
obtain
proper
stitch
formation.
Too
much
pressure
may
Spoil
material
and give
it
more
stretch
than
it
needs.
Too
little
pressure
may
cause
uneven
feedings
or
stitches.
NEEDLES
Fig.
11,
12
Needles
for
500/I
&
II
series
are
specified
in
organization
charts
as
shown
in
pages
60
to
68.
Generally
the size
of
needle
should
be
determined
by
the size
of
thread
or
weight
of
material
to
be
sewn.
Changing
needles
1.
Turn
hahdwheel
until
needle
drive
arm
0
is
at
its
highest
position.
2. Lift
up lever
0
and
swing
presser
arm
0
to
the
left.
3.
Loosen
nut
0
using
socket
wrench
furnished
with
the
machine
and remove
old needle.
4.
Insert
new needle
in
the groove
0
of
clamp
until
needle
rests
against
pin
0.
5.
Tighten
nut
0
securely.
6.
Return
arm
0
to
the
sewing
position.
7.
Make
sure needle
descends
in
the
center
of
the
needle
hole
in
needle
plate.
8.
On
two needle
machine,
be
sure
to
keep
shim
0
at
the
right
position
or
between
two
needles.
REGULATING
SEAM
WIDTH
Fig.
11,
13
1.
Lift
up
lever
0
and
swing
arm
0
to
the
left.
2.
Turn
handwheel
until
upper
knife
is
at
its
lowest
position.
3. Loosen
screw
0.
Pull
thumb
nut
Ij
to
the
left
as
far
as
it
will
go
and
lightly
tighten
screw
0.
4.
Loosen
screw
D
and move
holder
®
to
the
right
or
left
until
the desired
width
is
obtained,
then
tighten
screw
di.
5.
Loosen
screw
0,
then
holder
®
will
return
to
position
by
spring
action.
6.
Tighten
screw
0.
7.
Return
arm
0
to
the
sewing
position.
CAUTION:
When
seam
width
is
changed
to
extremely
wide
or
narrow,
to
replace
needle
plate
for larger
or
narrower
seam
width
is
recommended.
See organization
charts
as shown
in
pages
60
to
68.
REPLACING
THE
UPPER
AND
LOWER
KNIVES
Fig. 11,
13,
14,
15
UPPER
KNIFE
1.
Lift
up
lever
0
and
swing
arm
0
to
the
left.
2.
Loosen
screw
0.
Pull
nut
to
the
left
as
far
as
it
will
go
and
lightly
tighten
screw
0.
3.
Remove
screw
with
socket
wrench
or
screwdriver
furnished
with
the
machine.
4.
Withdraw
knife
®
downward.
5.
Replace
with
new
knife
but
do
not
tighten
screw
completely.
6.
Turn
handwheel
until
upper
knife
is
at
its
lowest
position.
Set
upper
knife
so
that
its
cutting
edge
overlaps
lower
knife
by
0.5-1.0mm
(.020-.039”)
as
shown
in
Fig.
14.
7.
Retighten
screw
securely.
8.
Loosen
screw
0,
then
holder
®
will return
to
position
by
spring
action.
9.
Tighten
screw
0.
10.
Return
arm
0
to
the
sewing
position.
LOWER
KNIFE
1.
Lift
up
lever
0
and swing
arm
0
to
the
left.
2.
Loosen
screw
0
and
pull
nut
Iii
to
the left
as
far
as
it
will
go
and
lightly
tighten
screw
0.
3.
Loosen
nut
Ij
and
withdraw
knife
downward.
4.
Insert
new
knife
into
the groove
of
clamp
stud,
setting
the
blade
so
that
the
cutting
edge
is
level
with
the
top of
needle
plate
as
shown
in
Fig.
14.
5.
Tighten
nut
ji’
securely.
6.
Loosen
screw
0,
then
holder
®
will
return
to
position
by
spring
action.
7.
Tighten
screw
0.
8.
Return
arm
0
to
the
sewing
position.
Knives
must
be
kept sharp.
Lower
knife
may
be
sharpened
by
use
of
a
grinder
while
making
sure
that the
correct
angle
is
maintained
as
shown
in
Fig.
15.
Upper
knife
may
be
sent
to
our
distributors
or
return
to
us
for
resharpening
since
it
is
made
from
a
special
tungsten
carbide
alloy
material,
and
must
be
sharpened
by
a
diamond
grinder.
From the library of: Superior Sewing Machine & Supply LLC

Willcox & Gibbs 500/II Specifications

General

Brand	Willcox & Gibbs
Model	500/II
Category	Sewing Machine
Language	English