INDEX
PAGE
REX
BLINDSTITCH
(LOCATED
IN REAR OF
RATIO
MACHINE)
DIAL
Changing 1-1
Knee Lifter
Mounting
and
Adjustment
Machine
2-1 Ratios 3
Oiling Instructions 6
Threading
Chart
Needle Setting 8
Needle
How
Tension
Changing
to
Sew
10
10
Proper Stitching 11
Port
Numbers
and
Illustrations
12
RATIO
RATIO
4
5
WHEN
CHANGING
1-1
2-1
TURN
to catch every stitch
to catch every other stitch
FROM 1-1
RATIO
DIAL
TO
2-1 RATIO
llii.
FROM
1-1
7
TURN
8
WHEN
PENETRATION
ONE
COMPLETE
TOWARD
TURN
LESS
CHANGING
TURN
TO
DIAL
FROM 2-1
RATIO
DIAL
2-1
LES^
TO
1-1 RATIO
RATIO
Hemmers
Copyrighted
By Rex
Troding
Printed
1964
Corporation
U.S.A.
30
FROM
TURN
ONE
PENETRATION
COMPLETE
TOWARD
k
2-1
MORE
DIAL
TURN
TO
k
.qRE
1-1
RATIO
KNEE
LIFTER
ADJUSTMENT
21-161
R-152
] ^
Loosen
set screw (18-1 56) and disconnect "S"
hook
(R-160)
Wind
spring
(R-1
56)
when
2^ When spring is
4,
Attach "5" hook (R-160) bock to lever (R-156).
5^
Adjust
in
desired
With
knee,
of
"S"
(R-155A),
ond
tighten
7^
IMPORTANT
For
the
little
"give"
freely between feed frame (3B)
all
important
WHEN
MACHINE
BACK
AND
(Atnotime,
machine
is in
knee
lifterto
position,
press
hook
•(R-160).
bring
screw
final
FORTH,
should
aperation).
wound,
tighten
lever
set screw temporarily.
comfortofoperatorbyloosening
tighten
set
screw
(18-156)
knee
liftertorighttobring
Whileinthis
stap
firmly up to
securely.Ifproperly
STEP:
operation,
should
for
IS WORKING, KNEE LIFTER
tap
relieve tension of
proper
operation.
IF PROPERLY
the
operator's
knee lifter
and
ADJUSTED.
knee
bottomofknee
be in
position, loosen screw on
done,itshould
(R-152)
hook
lever
R-160
I
R-156
If
spring
place
. . .
from
(21-161)
machineisnot
securely.
lever
(R-160)
(R-156).
(R-152)
contact
18-156
(21-161)isout
rewindasfollows:
lever
(R-156).
by
turning
fastenedtotable.
lever
set
screw.
(R-156)
slightly to
With
down to
stop
lifter
bracket
look like
allowing it to ploy
Keeping this
WILL
the
the
NOT
knee
illustration.
LEFT.
R-155A
bottom
bracket
(R-1
slack
SWING
lifter
of
lever
When
53)
This
when
MOUNTING
Fasten
evenly,
3^
machine
turning
When
an
it is recommended
^725/1750
outside
diameter
to table
each
a littleata time.
individual
that
RPM.
pulley. On models
On all standard
MACHINE
using
motor
the motor be ratedat1/3HP and
felt pad. Tighten
and
clutch
unitisemployed,
models,
intended
use a SVz"
for
altera
screws
tion, use a 2V2" outside diameter pulley.
When the machine is
pulley
stands,
CROSSING
The
installation is 3000
should
the
machine
THE
maximum
be
machine
2^ The handwheel's direction of rotation is away
operator. It rotates in a clock-wise direction when
used.
BELT.
RPM,
mounted
If
should be
speed
on a
possible,
mounted
recommended
power
when
unless otherwise specified.
table, a 4"
using
TO AVOID
for
from
looking
such
any
the
at
the face of the wheel pulley, as shown by the arrow.
is
3,
Either V-belting or round leather belting may be used.
cessive tension of belt
of
bearingathandwheel.
will
cause over-heating and freezing
Ex
OILING
INSTRUCTIONS
THREADING
CHART
] ^ Use any type thread which is suitable for the fabric being
sewn. This includes mercerized, 00, silk and synthetic
threads.
2,
The thread is passed through rear thread guide A, then slides
between two tension discs, B under pin C, through front
thread guide D . . . then
hole
E . . .
and
entering
down
from
through needle clomp guide
the
undersideofneedle
hole
F.
CAUTION:
Place a few drops of oilotall
before
'
IN
REFER
operating
ACCORDANCE
TO
OIL
WITH
CHART.
points
machine,
INSTRUCTIONS.
shown on
lubricate
the
oiling
chart. All moving ports MUST be oiled.
2,
In production use, the machine should be oiled twice doily
3,
Leavethread about 2 to 3 inches post needle hole.
THREADING
NEEDLE
I ^ To thread needle at point F
Swing work
a.
Depress cylinder
b.
with
knee
Hold
c.
finger
Endofthread
d.
not
feather
thread
and
plate
lifter
between
thumb
edge.
out
out
(R-152)
must
of way
of way
index
be
stub
Up like
this
this
NEEDLE
THE
MACHINE
NEEDLE
SHOULD
SETTING
SETTING
BE
TO
PREVENT
AND
CHECKED
DAMAGE
CHANGING
TO
INSURE
TO
CORRECT
NEEDLES.
5.
When
to
test.
needle
just
touches
rib
(Fig.
3),
machineisset
Depress
2,
Turn hand wheel
in
3
Slowly
*
TOUCH
4,
If rib is pressing up against needle (Fig.
(R-57N) toward "LESS" until rib just touches needle.
5,
If ribIsaway
"MORE"
knee
lifter
(R-152).
CLOCKWISE
presser
foot
shoe
(R-49A).
release knee lifter . . . the rib (R-612) should JUST
THE
NEEDLE.
from
needle
until rib
just
touches
until eye of needle isatslot
(Fig.
2),
turn dial toward
needle.
I),
turn dial
(I)
Fig. 3
7,
To
test
machine,
layerofmateriel,
when
ratioisset2 to 1
placeinmachine
and
ratio
turn
—take
hand. If machine catches once, then does not catch on
next stroke, machine is ready to work.
3,
Keep
dialing
obtained on silk or any thin
9,
On heavy
10.
You
ore
instructions.
If,
after
in
catching
a
BENTorBURRED
immediately.
IMPORTANT
needle
across
guide
pointofneedle.
now
turning
the
— To test if
R-47.
MORE"or"LESS"
goods,
it should catch on each stroke of needle
readytothread
CHANGING
your
dial
several
lower
layerofgoods,
NEEDLE
needle
To
test if
until above results ore
goods.
machine.
NEEDLES
times,
you
examination
. . .
The
needle
is bent,
needleisburred,
Refertothreading
experience
shouldbechanged
needle
rub
single
machine
by
difficulty
may
disclose
must rest on
fingernail
Fig. 1
Fig. 2
THE
MACHINE
NEEDLE
VERY
SETTING
IMPORTANT
Use only genuine
cost no more than cheap imitations, and are
Standard
Size
SHOULDBECHECKED
TO
PREVENT
REX
needles. Accept no others.
Needles:
#10 - #15 - #20 - #25 - #30
Machines equipped with
DAMAGE
TO
INSURE
ALWAYS
TO
REX
#25
CORRECT
NEEDLES.
needles
ovailable.