U.S. BLIND STITCH 1099 Series Instruction Manual
ILS.BLIIII
STnCH
MMHME
CUR
EXPRESS
STREET
&
SKYLINE
DRIVE
PLAINVIEW
N.Y.
11803
TELEPHONE:
516-433^350
CABLE
ADDRESS:"BLINSTIT
PLAINVIEW
NEW
YORK"
1099
SERffiS
COVERING
THE
FOLLOWING
STANDARD
SUB
CLASSES:
1099-CS
1099-G
I099-FP
1099-CS-I
I099-FP-1
1099-9
I099-KS
I099-DP
I099-KS-I
MAINTENANCE
&
PARTS
CATALOG
© 1979• U.S. BLIND STITCH MACHINE CORP.
ifWMAWc
From the library of: Superior Sewing Machine & Supply LLC
ni
-
MAINTENANCE
INSTRUCTIONS
FOR
1118,1099
&
1108
SERIES
INTRODUCTION
A. Replacing
the
Looper
B. Replacing
the
Needle
Guide
C. Replacing
the
Shoe
D. Replacing
the
Feeder
From the library of: Superior Sewing Machine & Supply LLC
MAINTENANCE
INSTRUCTIONS
INTRODUCTION
All U.S. BLIND STITCH machines are designed
for
long life
and
trouble-free performance. When
installed
and
lubricated
in
accordance
with
the
INSTALLATION
AND
OPERATING
INSTRUC
TIONS,
only
the
minimum
maintenance
normally
associated
with
industrial
sewing
machines
will
be required. These
maintenance
requirements
will generally
be
confined
to
the
four
locations
des
cribed below, at which wear
may
be
expected
after
extended
use. When
such
wear does occur,
the
worn
part
may be readily replaced by following
the
appropriate instructions.
For
ease
of
installa
tion, and
to
insure satisfactory service, it is essential
that
only
genuine U.S. BLIND STITCH
parts
and needles are used. They are
the
only
parts designed specifically for
the
machine, with
the
built-
in long life
and
excellent wearing characteristics typical
of
the
U. S. BLIND STITCH machine.
A.
REPLACING
THE
LOOPER
1.
Should
it
become
necessary
to
replace
the
looper
(item
"B"
in
Figure
6),
loosen
the
looper
clamp
screw
(item
"A"
in Figure
6)
and
remove
the
old
looper.
Because
of
the
precise
fit
of
the
looper
in
the
looper
rod
it
may
be
necessary
to
exert
a
moderate
amount
of
force
to
pull
the
looper
out.
Insert
the
new
looper
into
the
end
of
the
rod
as
far
as
it
will go
before
bottoming
on
the
looper
shoulder.
2.
Any
time
a
looper
is
moved
or
changed,
recheck
the
looper
timing
and
reset
if
necessary.
Proper
looper
timing
is
absolutely
essential
for
correct
stitch
formation.
As
described
in
detail
below,
a
properly
timed
looper
will pass
over
the
needle
in
the
correct
position
to
pick
up
the
loop,
and
also clear
the
chain-off
pin,
feeder,
looper
slot,
and
needle.
The
first
check
point
for
timing
the
looper
is
at
the
position
where
the
looper
picks
the
thread
loop
off
the
needle during
the
needle
return
stroke. Referring to Figure 7,
(Point
"C"),
the
long
prong
of
the
looper
should
pass
over
and
just
clear
the
scarf
of
the
needle,
approximately
3/32"
(2.4mm)
behind
the
end
of
the
needle eye.
At
the
same time,
the
short
prong
of
the
looper
should
pass
over
the
needle
with
about
1/64"
(.406mm)
clearance,
and
must
be so set
that
it
also clears
the
chain-off
pin
(item
"D"
in Figure
7).
From the library of: Superior Sewing Machine & Supply LLC
3. To adjust
the
looper
so
that
the
timing checks
out
as
noted
in paragraph 2,
it
may
be
rotated
within
its
clamp by a limited
amount.
This
adjustment
should be
made
with
the
looper
clamp screw (item
"A"
in Figure
6)
loosened,
and
the
looper
bottomed
against its shoulder. Do
not
move
the
looper
in or
out,
and
do
not
attempt
to
force
the
looper
to
turn
beyond
the
limited
amount
of
travel
available.
4. If the adjustment described in paragraph 3 is insufficient to provide the correct
timing,
it
will be necessary
to
turn
the
looper
rod
(item
"E"
in Figure 6) itself.
This
may
be
accomplished
by
loosening
with
looper
rod
clamp
screw
(item
"C"
in Figure 6). The
rod
is
then
free to
turn
in the looper rod fork (item
"D"
in
Figure 6). It will normally be necessary to make only a very small adjustment
in order
to
get the looper
into
the correct rotational position for proper timing.
If, for any reason, the rod has been removed or the basic setting
of
the looper
rod has been disturbed by a large amount,
it
may be reset by noting
that
the
distance from the center
of
the looper rod fork pin (item
"F"
in Figure 6) to
the
rear face
of
the
looper
rod
ball (item
"G"
in Figure 6) is normally 4 &
3/32
inches (104mm) (refer to Figure 6). If the rod is set
to
this dimension then only
minor adjustment will be required
to
bring the looper into the correct timing
position. Note
that
this dimension is merely aguide
to
assist in setting a
rod
and
variations
may
be
expected
from
machine
to
machine.
5. If, after completing the above adjustments, it is found
that
the looper is either
too
low
or
too
high,
it
will be necessary
to
adjust
the
eccentric
stud.
First
loosen
the
two
set
screws
(item
"A"
in Figure
7).
Place a
wide
blade screwdriver in
the
slot
of
the
eccentric
stud
(item
"B"
in Figure 7) and, using a slight turning
motion,
raise or lower
the
looper
as required. Once
the
proper
height is established, check
to see
whether
the
looper
must
be moved
to
the
left
or
to
the
right
prior
to
retight-
ening the eccentric block set screws.
If
such amovement is required, it may be ob
tained
by
lightly
tapping
the
eccentric
block
in
the
correct
direction
with
the
handle
of
a
screwdriver.
From the library of: Superior Sewing Machine & Supply LLC
0
\
FIGURE
6
From the library of: Superior Sewing Machine & Supply LLC
6. Once
the
looper
is timed with respect to
the
needle as outlined in paragraphs 2
thru
5above, slowly
turn
the
handwheel
in a direction away from
the
operator,
until
the
looper
approaches
the
edge
of
the
looper
slot. (Point
"C"
in Figure 8)
in
the
presserfoot. At this
point
make
sure
the
small
prong
of
the
looper
clears
this edge. If it does
not
clear, adjust
the
eccentric
block
as outlined in paragraph
5
until
the
interference
is
eliminated.
6A.
If
timing
of
looper
still proves difficult,
its
possible
that
looper
sweep required
adjustment. If looper is
too
close
to
chain
off
pin
and
also,
too
close
to
needle
guide on opposite position,
the
looper
sweep is
too
short.
If
looper
on
pick
up
stroke, is
too
far
to
right
of
chain
off
pin
and
too
close
to
needle
rest
at
left
of
presserfoot,
the
looper
sweep is
too
wide.
For
adjustment,
refer
to
insert
illustration
(Figure
6).
To
widen
looper
sweep,
flex
or
bend
looper
crank
in direction
of
arrow
"H".
To shorten looper.sweep, flex or bend looper crank in direction
of
arrow
"J".
Both
adjustments
should
be gradual
and
sweep
checked
frequently.
7.
Continue
turning
the
handwheel away from
the
operator
until
the
point
of
the
needle
starts
to
enter
the
area in between
the
looper
prongs.
(Refer
to
Point
"D"
in Figure 8). If
the
needle strikes
the
crotch
of
the
looper,
the
looper
has general
ly
been
set
too
far
forward.
Check
to
see
if
the
looper
has
been
inserted
into
the
clamp as
far
as it will go. It
should
be
inserted
until
the
shoulder
on
the
looper
is
stopped
on the clamp. If this check is satisfactory, recheck
the
distance from
the
center
of
the
looper
rod
fork
pin
to
the
rear
face
of
the
looper
rod
ball. Refer
to
paragraph
4
and
reset
if
necessary.
If
neither
of
the
above
two
measures
cor
rects
the
problem,
it is possible
that
the
needle lever
may
be
set
too
low
and
required
adjustment.
From the library of: Superior Sewing Machine & Supply LLC
FIGURE
7
From the library of: Superior Sewing Machine & Supply LLC
8. Once clearance is established between the needle and the looper crotch,
continue
turning
the
handwheel away from
the
operator
until
the
needle
passes between the looper prongs, clearing
both
the long and the
short
prong.
If difficulty is experienced at this point, it may be necessary to modify some
of
the previous adjustments to the eccentric block or the looper rod length.
If this is done, recheck
the
previous
points
to insure
that
aposition is estab
lished
which
will satisfy all
of
the
clearance
conditions.
9. After all the necessary adjustments have been made, tighten all set screws and
the lock
nut
and recheck all the adjustment points. Referring to Figure 9, the
looper
should
now
clear
the
chain-offpin
("D"),
feeder
("E"),
looper
slot
("F"),
needle, and pass over the needle in the correct position to pick up the
loop.
B.
REPLACING
THE
NEEDLE
GUIDE
1. After considerable service, it may be expected
that
the wearing action
of
the
needle will cause asharp edged groove to form on
the
needle guide (item
"G"
in
Figure
9).
This condition can cause thread breakage
and
uneven penetration. When this
happens the guide should be replaced. The needle guide was specifically design
ed as a readily replaceable wear
plate
to
prevent damage
to
the
presserfoot from
the
action
of
the
needle.
2. Loosen
the
needle guide attaching screw (item
"A"
in Figure 9) and remove the
worn
needle guide. Clear
out
any
lint
or
dirt
that
may
have
accumulated
under
the
old guide and insert
the
new guide. Insure
that
the
new guide is seated flush
with
the
top
and
side
of
the
presserfoot
and
then
retighten
the
attaching screw.
Slowly
turn
the
handwheel in the direction away from
the
operator
and check
to
insure
that
the
new
guide fits
properly
under
the
needle
and
that
no
inter
ference has
been
introduced
between
the
guide
and
the
looper.
REPLACING
THE
SHOE
1.
The
shoe,
(item
"E"
in Figure
8),
also
known
as a
cloth
retainer,
normally
will
not
required
replacement.
However,
in
the
event
of
wear
due
to
the
particular
fabrics being used,
or
if
the
shoe
or
spring suffers
any
damage,
they
may
be
readily
replaced.
2.
The
first
step
is to remove
the
complete
front
guide assembly by unscrewing
the
front
guide
holder
attaching
screw
(item
"A"
in
Figure
8).
Next
loosen
the
shoe
pin
and
the
shoe
eccentric
barrel
lock
screws,
(item
"B"
Figure 8),
and
slide
out
the
shoe
pin
(item
"F'*),
shoe
and
retaining
spring
(item
"G*').
Before
removing
these
components
it is advisable
to
note
the
manner
in
which
the
spring is assem
bled
so
that
it
may
be reinstalled in
the
same
way.
From the library of: Superior Sewing Machine & Supply LLC
e
F
CURE
8
FIGURE
9
From the library of: Superior Sewing Machine & Supply LLC
3. When replacing an old shoe, make sure
that
the replacement shoe properly fits the
pin
without
binding
and
without
excessive looseness. In
the
event
that
the
pin
has
worn and does
not
fit the new shoe properly, it should be replaced at
the
same time
as
the
shoe-pin.
After
replacing
the
shoe, shoe pin spring
into
shoe eccentric barrel, re-
tighten
screws
(item
"B"
Figure 8),
and
check
to
insure
that
the
center
of
the
shoe
is
lined
up
with
the
center
of
the
rib.
Also
insure
that
the
shoe
clears
both
sides
of
the
opening
of
the
presserfoot.
4. In
and
out
position
of
shoe should now be checked.
For
light fabrics, shoe should
be as
close
to
needle
as possible.
For
heavy
fabrics
with
seam,
shoe
should
be
set
back
as
far
as
possible
from
needle.
To
move
shoe
in
and
out
turn
eccentric
barrel
(item
"F'
Figure 8). After the correct location is established, be sure to tighten
screws,
(item
"B"
Figure 8).
4A. An additional shoe
adjustment
is also possible.
The
height
of
the shoe can now be
controlled,
(item
"H"
in Figure 8).
This
is a
tapered
pin
and
position
can
be ad
justed
so
that
the
shoe,
whenever
required,
can
be
controlled
as
far
as
elevation
is
concerned.
By
moving
the
tapered
pin
in
or
out
the
shoe
can
be
kept
from
pressing
down
on
some
fabrics
which
require
little,
if
any
shoe
pressure.
By
having
this
control,
it
sometimes
will aid in
penetration
of
difficult
fabrics.
The
normal
posi
tion
of
the
shoe,
when
set
properly
on
most
fabrics, is
that
the
shoe
will
show
move
ment
on
the
penetration
cycle
on
one
ply
of
fabric.
5.
REPLACING
THE
CHAIN
OFF
PIN
1.
After
considerable
service, it
may
become
necessary
to
replace
the
chain
off
pin,
(Item
"D"
in
Figure
7).
2.
Remove
the
chain
off
pin
attaching
screw
and
remove
the
chain
off
pin,
clean
out
any
lint
or
dirt
that
may
have accumulated.
Attach
the
new chain
off
pin,
using
the
screw previously
removed.
Insure
that
the
chain
off
pin
is against
the
side
and
forward
edge
of
the
slot
in
the
presserfoot,
and
then
tighten
the
screw.
From the library of: Superior Sewing Machine & Supply LLC
D.
REPLACING
THE
FEEDER
1. In the event that the machinedevelops difficulty by
failing
to properly feed the
work, a worn feeder is frequently found to be the cause.After considerableservice,
especially with certain hard fabrics, the feeder teeth
have
a tendency to become
dull, and the feeder should be replaced. In order to remove the old feeder, remove
the front feeder attaching screw (item
"B"
in Figure 9) and loosen the rear feeder
attaching screw (item
"C"
in Figure 9). The old feeder may then be slid
out
of
place. Insert the new feeder under the rear screw and replace the front screw.
2. Before tightening the attaching screws check to see
that
the feeder is set
to
the
proper depth. Referring to Figure 10 this should be approximately 1/32*' (.795mm)
belowand parallel to the bottom of the presserfootfor alllight and medium weight
fabrics. For heavy fabrics, the setting should be approximately 1/16" (1.59mm)
below and parallel
to
the
bottom
of
the
presserfoot. These dimensions are intended
as guides and may be modified as required by the specific fabrics. Once the proper
depth is established, rotate the handwheel slowly in a direction away from the oper
ator and check to insure
that
the feeder clears the looper (see Figure 9, Point
"H")
and also clears both sides
of
the feeder slot in the presserfoot. Firmly tighten feeder
attaching screws (Figure 9, Items
"B"
&
"C")
before resuming sewing.
FIGURE
10
From the library of: Superior Sewing Machine & Supply LLC
1099
SERIES
PARl!S
CATALOGUE
COVERING
THE
FOLLOWING
STANDARD
SUB-CLASSES
1099-CS
1099-CS-l
1099-9
1099-DP
1099-G
MAIN
FRAME
GROUP
1099-FP
1099-FP-l
1099-KS
1099-KS-l
5182
Side
Cover
Assembly
1005
Tube,
Oil
1401
Washer,
Clamp
Screw
1006
Wick,
Oil
5019
Screw,
Side
Cover
1093
Screw,
Set
7004
Guard,
Belt
1289
Screw,
Set
1069
Screw,
Guard
1240
Pin,
Presserfoot
5174
Thread
Tension
Regulating
Ass'y,
1089
Screw,
Set
Consists
of:
7028
Plate,
Top
Cover
7023
Thread
Guide
1096
Screw,
Top
Cover
1324
Disc.
Thread
Tension
1107
Screw,
Bridge
Mtg.
1330
Post,
Thread
Tension
3281
Washer,
Clamp
Screw
1329
Spring,
Tension
1108
Screw,
Clamp
7022
Nut,
Tension
1080
Thread
Guide
1811
Pin,
Spring
1070
Screw,
Thread
Guide
3021
Screw,
Feed
Lever
Plate
From the library of: Superior Sewing Machine & Supply LLC
ASS
Y
I
070
I
080
005
Q>
\
I
107
50
19
302
MAIN
FRAME
GROUP
I
00
6
I
096
1006
7004
From the library of: Superior Sewing Machine & Supply LLC
7012
5003-1*
5004-1*
MAIN
SHAFT
GROUP
Main
Shaft
Rib
Connection
Lever
&
Eccentric
Ass'y.
1974
Screw
Eccentric
1973
Screw
For
Stuc
1880
Screw,
Clamp
Needle
Connection
Ass*y.
1072
Screw
1134-1
Guard
1132
Screw
1131-1
Screw
1845
Collar
Ass'y.
1971
Screw
5226**
Handwhell
Ass'y.
3290
Handwheel
3291
Screw
3032
Pulley
Ass'y.
1121
Screw
1069
Screw
5231
Stitch
Collar
Ass'y.,Regular
1834
Set
Screw
*Sold
as
an
Assembly
Only
**
The
Following
Optional
Handwheel
Ass'y.
Are
Available
5188-1
Handwheel
With
Position
Hub
5240
Handwheel
Double
Pulley
Ass*y.
5253
Handwheel,
Double
Pulley
and
Positioner
Hub
Ass*y.
From the library of: Superior Sewing Machine & Supply LLC
2)
I
072
I
013-
2 I I
32
I I
34-1
1086
0
3-1
I0I4-I
5004
iASS
Y
(2)1834
5231
AS
ST
5228
ASS'Y
I
331-1
701
2
1013-1^1
J
(2)1072
I
973
1015
ASST
SEE
FEED
DRIVE
GROUP
1806
2)
I
974
1069
5003-1
ASS
Y
1880
I
845
ASS
Y
(2)1971
5175
ASS'Y
MAIN
SHAFT
GROUP
(3)
l30-33r|
3290
•
3032
!
ASSY
From the library of: Superior Sewing Machine & Supply LLC
NEEDLE
DRIVE
GROUP
5082
Needle
Lever
Ass'y
1076
Screw
3050
1137
Screw
Clamp
1243
Pin
1136
Lever
5135
Collar
Ass'y.
1089
Screw
1095
Shaft
1118
Screw
NEEDLE
SIZES
AVAILABLE
Use
Genuine
U.S.B.S.
Needles
For
Best
Results
Long
Needles
-
System
251
Regular
Point
Srzes
Ball
Point
Sizes
Spear
Point
Sizes
Short
Needles*
00
10
10
0
10
15
15
1
15
20 20
1
1/2
20
25
25
2
25
30
2
1/2
30
35
3
35
65
3
1/2
40
4
55
4
1/2
*Short
Needles
Used
in
Some
Applications
From the library of: Superior Sewing Machine & Supply LLC
r.
37
5082
j
1243
ASS'Y^;
1I
36
il076
(2)1
089
3050
NEEDLE-SPECIFY
SIZE
REQUIRED
NEEDLE
DRIVE
GROUP
From the library of: Superior Sewing Machine & Supply LLC
See
Table
5016
3019
3021
.
1821
2100*
FEED
DRIVE
GROUP
Feed
Lever
&
Stitch
Collar
Ass'y
(Sold
as
Ass'y.
only)
Fe^
Rocker
Ass'y.
Feed
Lever
Plate
Screw
-
Lever
Plate
Thrust
Collar
Ass'y.
1870
Set
Screw
Feeder
1119
Feeder
Screw
*Types
of
Feeders
Available
Fine
Armoloyd
Carbide
Rubber
2101
2125
2119
2120
TABLE
Stitch
Collar
Ass'y.
Feed
Lever
and
Stitch
Collar
Ass'y
1099CS
5231
5208
1099DP
5231
5208
1099FP
5231 5208
1099FP-1
5232
5209
1099G
5231
5208
1099KS
5231
5208
1099-9
5231
5208
1099-CS-l
5232
5209
1099-KS-l
5232
5209
From the library of: Superior Sewing Machine & Supply LLC
SEE
TABLE
(2
1834
SEE
TABLE
50
I 6
ASS'Y
ASS'Y
2 I
870
301
9
2
100
2 I I
19
FEED
DRIVE
GROUP
From the library of: Superior Sewing Machine & Supply LLC
Part
No.
2200
1150
5233
5230
5213
5186
5206
LOOPER
DRIVE
GROUP
Description
Looper
Stud,
Looper
Adjustment
Collar
Ass'y.
1870
Set
Screw
Looper
Rod
Fork,
Sleeve
&
Stud
Ass'y,
Consists
of:
1154
Fork
1155
Pin
3049
Screw
1979
Nut
1123
Stud
1146
Nut
5006
Looper
Rod
Sleeve
Ass'y.
(Not
sold
separately)
1094
Screw
Looper
Rod
&
Fork
Ass'y.
Consists
of:
5185
Looper
Rod
&
Ball
Ass'y.
1154
Fork
3049
Screw
1979
Nut
Looper
Rod
&
Carrier
Ass'y.
Consists
of:
5017
Looper
Rod
Carrier
Ass'y.
1117
Screw
5185
Looper
Rod &
Ball
Ass'y.
Looper
Rod,
Fork
&
Carrier
Ass'y.
Consists
of:
5186
Ass'y.
1154
Fork
3049
Screw
1979
Nut
From the library of: Superior Sewing Machine & Supply LLC
Other manuals for 1099 Series
2
This manual suits for next models
11
Table of contents
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