U S Blindstitch 78-PR, 88-PR User Manual

m
Over
30
1
U.
S.
Blind
u.
Stiteh
f
INSTRUCTIONS
PARTS
U.
MACHINES
S.
Model
88-PR
and
BLIND
BOOK
and
for
STITCH
i
1 •••1
s
There
for
k'-."
u
is
Every
a
U.
Biind
5.
Machine
Stiteh
Need
PrintedInU.S.A,
U.
312
Model
78-PR
S.
BLIND
SEVENTH
STITCH
AVENUE
LAckawanna
MACHINE
NEW
4-9144-5-6
YORK
CORP.
1,
N. Y.
A.J.MITCHELL
85
BEACH
boston
li,
CO.
STREETi
MASS^
Unless
specifically
illustrated
Models
It is
of
your
78-PR
always
in
this
and
advisable
machine
mentioned,
catalogue
88-PR.
to
state
when
ordering
are
the
the
for
model
parts.
ports
both
YOU
DEPEND
CAN
ON
VERY
To
assure
use
GENUINE
avoid trouble, loss of valuable time, costly repairs
assures
the
best
the
U. S.
results.
IMPORTANT
proper
NEEDLES
operation
ONLY,
of
U. S. Machines,
this is the wise
way
to
and
U.
Simplicity
U.S.Blind
made to simplify the use of this catalogue so that
each
machine
Seldomdoes aU.S.Machineget out of order,
S.
of construction is the keynote of
Stitch
Machines.
SERVICE
Every
effort has been
part can be easily identified.
because it is rugged and uncomplicated in construc
tionand there are manyyearsof practical experience
behind
ordinary
mechanical
more
production you
it.
Instructions
amount
skill
of
is necessary.
than pleased
receive
When
BE
are
simply
given
kno>vledgeisused,
You
are sure to be
with
quantity and quality of
from
yourU.S.
Machines.
Ordering Parts
SURE
to
and if an
very
little
Specify Model of Machine
Standard
Used
#10,
Each
needle
U. S. B. S. is
THROW
Good results
needle.
eventually,
U. S. needle of the proper size.
screw where the needle sets. needle, turn the Radio
number of
To
it will
slowly
operate the Radio Dial
penetration.
Trademark
WhileU.S. needles
become
HOW
To
TO
take out the old needle, slightlyloosen the clamp
times
insert a new needle: push it up intothe grooveas far as
go
and
tighten the screw, then turn the dial back
until
you
reach
Be Sure
on the
Needle
in
These
#15, #20,
has
stamped
AWAY
so the needle is entirely clear of the rib.
DULL
are
dull. Then discard
INSERT
Dial
the
the
Needle
Shank,
Sizes
Models
#25
its size
obtained only by using a sharp
NEW
required
on the
stamped
on all U. S.
OR
HOOKED
give
extralong
NEEDLE
Before
Knob
Knob
which regulates needle
You Use
Box
on
the
shank.
needles.
NEEDLE
service,
and
insert a
CORREaLY
inserting the new
to the right a sufficient
penetration,itis
Has
Genuine
and on the
Envelope.
they do,
new
easyto
U. S.
The dial, of course, must be adjusted to the thickness
of the fabric, so
If
the
needle fails to catch on
or as
If
the
bottom the
layer,
arrow
points to "MORE". Run a
needle point
THE
that
the stitch will be regular
turn
the
goes
dial-a
down
DIAL
the
right sideofthe
little
too
deep
atatime-to
few
stitches to test.
and
shows
and
even.
material,
the
too
much
left,
Impression on
the right as the arrow points to
the
right
sideofthe
"LESS".
material,
Then test until you
turn
the
dial
have the right penetration. Only a little patience is required
for
skilled
Dial Showing "MORE"
adjusting.
GUIDE
FOR
PROPER NEEDLE
PENETRATION
Dial
Showing
"LESS"
to
Rib
NEW
TYPE
Shaft
for
DtAL
Adjustment
"MORE"
NOW
USED
ON
U. S.
MODEL
88-PR
HOW
Tliread follows from spool or rone
ever
(C). thru
(E)
TO
THREAD
(A)
thru opening and
tension
(B),
openings
then
.thru
under
(D) and
the
bar
needle
OIL
IS THE LIFE
Be
SURE
to oil every movable
or open holes are located
machine is new.
When
OF
THE
EVERY
DAY,
oiling, insert
MACHINE
part
wherever oil cups
especially when the
the
oil spout firmly.
Use proper lubricating oil.
By
observing these simple instructions, you will
secure satisfactory resultsfrom your machine. If you do run
into any trouble, get in touch with our main office, or the
representative from whom you bought the machine.
THREAD
See
proper
firmly,
turn
threading
but
the
tension nut
without pull or interruption. If
tightly, shirring
nut (C)
to cut a
causing
away
After
sharp
thread
BREAKAGE:
that
the
machine is
causes
the
breakage.
(C)
toward
material,orif it breaks, turn
from you which will loosen tensionofthe
substantial
edge
service,
in
the
breakage.
replacing needle guide: part
Sometimes a groove will
of needle clamp
cause
thread
needle clamp:
(E)
by constant
breakage.
part
#36.
You
you. If
groove
When
#47.
thread
can
HOW
threaded
The
TO
thread
the
AVOID
properly,
should
the
stitch is loose,
thread
travels
the
the
needle
of
this occurs,
be
causedinthe
the
will
needle
be
we
opening
friction; this also will
avoid this by changing
as
im
feed
too
tension
spring.
inclined
guide,
suggest
operator.
The
hand
HAND
wheel must always turn
WHEEL
SPEED
Speed of the machine depends on the model. On'
all skip (or interval) stitch machines,
from
2,000
to
3,000
stitches
per
Very Important: Do not mount machine on high
speed
motors.
we
minute.
away
from the
recommend
speed
REPLACING
LOOPER
REPLACING
FEEDER
Replacing of the looper (port
ance
and
the
principle is
Loosen
looper in
is
straight
the
the
and
screw
same
the
slot
looper clearing the looper prongs without touching either
Then turn
reaches
should
hand
the
clear
wheel slowly
far
right sideofthe
the
needle just in frontofthe
and
and
needle
the
remove
turn with fingers so
enters
#22}
same
the
isof utmost import
on all machines.
old
looper.
that
between
away
from you until the looper
presser
foot
the
prongsofthe
where
needle
Insert
new
the looper
one.
the
looper
eye
and
needle is under the looper without touching it. Then when
looper
goes
to left side
also,
see
that
it clears
the
needle
guide. Tighten looper screw to hold looper in position. Make
certain
looper in
machine is the eccentric block (part
screws which hold assembly unit of
tion.
that
the
looper
If, for some reason, you
the
proper position, note
By
loosening these three screws, you may raise or lower
does
not touch
are
that
#21).
the
the
feeder.
not
able
to
adjust
on
the
right side
Here
are
three set
entire looper in posi
the
of
looper to desired position. When the looper is finally in cor
To replace feeder (part #43-PR), remove only front screw
of
feed
lever
and
worn
feeder
new
feeder
determine
press
tighten
feeder
screws
Do
loosen
from
feed
is in place, move
that
looper clears above feeder; if they do touch,
down
on
feed
not
rest
on
knee
inner
screw.
lever
and
replacewith new
hand
with finger until
lever.
D O N T ' S
lifter.Besure
Remove
wheel
the
that
the
away
looper
the
knee
broken
one.
from you to
clears and-
does
touch the knee lifter while the machine is in operation.
Do not try to help the machine by pulling the fabric, lest
you
bend
the
assistance.
When removing
the
needleisout
needle.
of
the
the
The machine
feeds
the
work without
work from the machine,besure
cloth.
or
After
not
that
rect position,
be
sure to tighten
the
screws
10
again.
Do
not
run
the
machine
without
11
cloth.
6
Feed
Eccentric
6-B
7
9-B
Stitch
Needle
Regulating
Connection
Collar
Rib Lever Eccentric (Model 88-PR only)
10-B Rib Connection Lever (Model 88-PR only)
23-B Main
32
33
85
97
99
Eccentric
Eccentric
Rib Lever Eccentric Screv/ (Model 88-PR only)
Feed
Needle
Shaft
Eccentric
(Model 88-PR only)
Bali
Stud
Ball
Guard
Screw
Connection
Screw
100-B Rib Lever Clamp Screw (Model 88-PR only)
110
Eccentric
Ball
Guard
Screw
1006
mi
I
mCA
WHEN
ORDERING
PARTS SPECIFY
MODEL
NUMBER
8-B
30
34
35
36
38-B
43-PR
43-PR-C
87
90
100
100
Feed
Lever
Needle
Needle
Needle
Needle
Feed
Feeder
This
Shaft
Shaft Clomp Collar
Lever
Clomp
Lever
Feeder
Rocker
is
Pin
used
for
Va
inch
flat
(Model 88-PR only) not illustrated
Feeder
Needle
Needle
Needle
Screw
Lever
Clomp
Clomp Screw
Shaft
Crank
Screw
Screw
roll
116-L
Feed
Lever
Rocker
Pin
Collar
NUMBER
NAME
46 47
48
54
57-N
Presserfoot Needle
Needle
Main Spring
Guide
Guide
Eccentric
Screw
{Model
Pin
88-PR only)
Regulating Knob (Model 88-PR only)
57-E Regulating Knob Screw
73
74
75
76
77 78
79
80
86
87
Oil
Cup
Oil
Cup
Rear
Thread
Front
Thread
Tension Tension
Stud Disc
Tension Spring
Tension
Presserfoot
Presserfoot
Nut
Clamp
Brace
Guide
Guide
Screw
Screw
57-N
89
117
Thread
Guide
Regulating Fork
Screw
and
Rod Complete
(Model 88-PR only)
117-A
117-B Spring
117-C Main Spring
118 Main Spring Screw
119
Spring Knob (Model 88-PR only)
Link
(Model 88-PR only)
Lock
Feed
Frame
Limit
Screw
Screw
(Mode!
and
Nut (Model 88-PR only)
&
Nut
88-PR only)
(Model 88-PR only)
16
II7C
WHEN
118
ORDERING
PARTS SPECIFY
17
MODEL
NUMBER
Looper Rod
Sleeve
Looper Rod Sleeve Stud Looper Rod Sleeve
Clamp
Looper Rod Fork
Looper Rod Fork Pin
Looper Rod Looper Rod Ball
Looper
Looper Rod
Eccentric
Rod
Block
Carrier
Carrier
Stud
Looper
Eccentric Block Eccentric Block Looper Fork
Clamp
Clamp
Clamp
Srew Looper Sleeve Pin Screw Looper Rod Ball Screw
Eccentric
Block
Screw
Collar
Screw
Looper Rod Carrier
Clamp
Screw
Sleeve Collar Clamp Screw
Looper
Looper Rod
Clamp
Nut
Screw
WHEN
ORDERING
PARTS SPECIFY
MODEL
NUMBER
(MODEL
88-PR
ONY)
142
Supporting Bracket
Lock
143 Supporting Bracket Washer 144 Supporting Bracket Screw
146
147
150-C
151-C
152
153
Knee
Knee Lifter Lock
Front
Front
Knee
Knee Lifter Bracket
Knee
Combination
Bracket
Lifting
Lifter
Plate
Plate
Lifter Rod
Pedal
Screw
Bracket
Knee
and
Lifting
Bracket
Washer
Lifter
Bracket
Stop
Washer
Knee
Knee
Front
Front
Lifter
Lifter
Plate
Plate
Bracket
Hook
Supporting Spring
Screw
Screw
Nut
I
WHEN
ORDERING
PARTS
SPECIFY
MODEL
Feed Frame (Model 88-PR only)
Cover
Hand
Hand
Feed Frame Shaft
Belt
Belt
Lever
Wheel
Wheel
Guard
Guard
Stud
V Belt Drive
(88-PR
Screv/
Clamp
Screw
(Not
only)
Feed Frame Shaft Clamp Screw
Hand
Hand
Cover
Belt
Left
Wheel
Wheel
Screw
Guard
and
Washer
Right
Screw
Screw
Feed Frame
Bushing
illustrated)
(88-PR
only)
(MODEL
78-PR
ONLY)
NUMBER
9
10
23
54-A
55
56
57
58
62
63-PR
107
NAME
Rib
Lever
Eccentric
Rib
Lever
Main
Shaft
Main Spring
Main Spring Hook Main Spring Hook
Regulating Knob
Regulating
Rib
Shaft
Rib
Shaft
Rib
Shaft
Knob
Center
Crank
Center
Nut
Plunger
Screv/
Screw
•'j€
Nut
24
WHEN ORDERING
PARTS
SPECFY
MOOa
78-PR
NUMBER
n-PR 31-PR
44-PR 44-PR-C
49-PR 61-F 61-PR 63 64
65 66
67-PR
68-PR 69
98
100
100
103-PR
104-PR
108
110-PR
no-PR
116
116-A
173-PR
173-PR-C
174-PR
174-PR-C
NAME
Platten
Hemmer
Presserfoot
This
Bracket
Bracket
Presserfoot
Complete
is
used
for
V4
inch
flat
(Model 88-PR only) Not illustrated
Shoe
Rib
Shaft
Hand
Rib
Shaft
Rib
Shaft
Rib
Shaft
Bracket
Hand
Hand
Platten
Bracket
Hemmer
Rib
Platten Platten Platten
Shoe
Bridge
Left
Right Rib
Hemmer
Hemmer
(Model 88-PR only)
Roll Rib
Shaft
Crank
Crank
Crank
Stud
Roll
Platten
Roll
Platten
Spring
Stud
Set
Bracket
Shaft
Rib
Bracket
Bracket
Stud
Screw
Bracket
Shaft
Collar
Nut
Screw
Collar
Shaft
(Specify Size)
(This
(Model 78-PR only)
(Model 88-PR only)
Stud
Clamp
Screw
Screw
Clamp
Limit
Limit
Stud
Screw
Screw
Screw
Screw
Nut
Collar
hemmerisused
for
'A inch
roll, (Model 88-PR only). Specify size
whether
Hemmer
Hemmer
A
Side
Side
or
Bracket
Bracket
B.
(Not
Illustrated).
is
used
for
Va
roll (Model 88-PR only)
roll
inch
flat
and
flat
44-PR
I73^PR
116
63
66
WHEN
49-PR
i74-PR
II6A
64
ORDERING
©
31-PR
„.p,^
100
65
98
PARTS SPECIFY
108
67-PR
68-PR
103-PR
104-PR
61-pR
MODEL
no-PR
61-F
26
27
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