Singer 95-80 Quick start guide

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Fortn 19067
Revised
(641)
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INSTRUCTIONS
FOR USING AND ADJUSTING
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SINGER SEWING MACHINES
95-80 and 95-100
HIGH SPEED LOCK STITCH
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The Singer Manufacturing Co.
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From the library of: Superior Sewing Machine & Supply LLC

USE ONLY SINGER OILS
and LUBRICANTS
They insure freedom from lubricating trouble and
give longer life to sewing equipment
**Singer Oil for High Speed Sewing Machines*'
(Cloth and Leather)
For all manufncturing sewing machines except where a stainless
oil is desired.
*^Singer Stainless Oil for High Speed Sewing Machines"
For all manufacturing sewing machines where a stainless oil is
desired.
"Singer Motor Oil"
For oil-luhricated motors, power tables, transmitters and machin
ery in general.
"Singer Stainless Thread Lubricant"
For lubricating the needle thread of sewing machines for stitch
ing fabrics or leather where ii stainless thread lubricant is required.
NOTE: All of the above oils arc available in 1quarl, 2quart, 1 gallon
and 0gallon cans or in 35 gallon drums, and can also be supplied
in customer's containers.
"Singer Gear Lubricant"
This specially [jrepared grease is recommended for gear lubrica
tion on manufacturing .sewing machines.
"Singer Ball Bearing Lubricant"
This pure grca.se is specially designed for the lubrication of ball
bearings and ball thrust bearings of motors and electric trans
mitters, hall bearing hangers of power tables, etc.
NOTE: The above greases are furnished in 1 lb. and 4 lb. tins.
Copyright. U. S. A., 1914,1918,1922,1926, 1933,J935.1936and 1937,
by The Singer Manufacturing Company
All Righta Pteserved for all Countries
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TO ALL WHOM IT MAY CONCERN;
The placing or renewal of the nane "Singer" (Reg. U.S. Pat.
Off.) or any of the trade marks of The Singer Manufacturing Com
pany on any machine that has been repaired, rebuilt, recondi
tioned or altered In any way whatsoever outside a Singer factory
or an authorized Singer agency Is forbidden.
DESCRIPTION
MACHINE 95-80 makes the lock stitch and is designed for sewing
light and medium weight fabrics. It has a gear-driven rotary hook.
The needle bar stroke la 1-9/64 Inches.
The machine is equipped with heavy gear shafts and three plain
bearings for the arm shaft.
MACHINE 95-100 Is the same as Machine 95-80 except that it Is
equipped with ball bearings at both ends of the arm shaft, the In
termediate bearing being a plain bearing.
Speed
MACHINES 95-80 and 95-100 should be run at speeds not exceed
ing 3500 stitches per minute for the first two or three days, af
ter which they can be driven up to their maximum speed of 4200
stitches per minute, depending upon the nature of the work and the
ability of the operator.
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To Lubricate the Machine
USE ONLY SIN3ER "OIL FOR HIGH SPEED SEWING MACHINES (Cloth
and Leather)" for general use or "STAINLESS OIL FOR HIGH SPEED
SEWING MACHINES" where a stainless oil Is desired.
Fig.2. Oiling Points at Front of Machine
Oil should be applied as shown by arrows in Figs.8,3 and 6,
and, when used continuously, the nachlne should be oiled at least
four tli.ies each day. Keep all wlcklng saturated with oil.
Fig.3. Oiling Points at Back of Machine
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Use only SIN3ER GEAR LUBRICANT In the gear cases of these ma
chines. When the machines leave the factory, the gear cases are
packed with sufficient Singer Gear Lubricant for approxinately
160 hours of operation.
Replenish the gear cases
at (A) and (B) , Figs. 4 and 5
with Singer Gear Lubricant
every 160 hours of operation.
Alemlte Grease Guns,
Singer No. 1S1587 (3 oz. ca
pacity) or Singer No. 121588
(1/2 lb. capacity) provide
the most convenient means of
applying Singer Gear Lubri
cant to the gears.
To supply grease to the
upper gear case (Fig.4), have
Fig.4 the machine In Its normal
working position, remove the
level hole screw (C,Flg.4) and force the lubricant Into the Ale
mlte fitting (A,Fig.4) until
It emerges from the level hole
at (C), then replace the screw
(C).
To supply grease to the
lower gear case (Fig.5), lay
the machine back on the table,
remove the level hole screw
(D,Flg.5) and force the lubri
cant Into the Alemlte fitting
(B,Flg.5) until It emerges
from the level hole at (D),
then replace the screw (D).
Flg.S.
CAUTION - To avoid overfilling of the gear cases, do not turn
the balance vAieel when grease Is being applied through the Alemlte
fittings.
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D, /B
Fig.6. Oiling Points In Base of l^chlne
At least four times each day apply ONE DROP of oil to the
bobbin case holder bearing In the sewing hook race, as shown In
Fig.7.
Fig.7.
Oiling Point In Hook Race
CAUTION. NEVER OIL THE SEWING HOOK RACE THROUGH THE NEEDLE
HOLE IN THE THROAT PUTE, NOR FLOOD THE HOOK WITH OIL.
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Needles
Needles for Machines 95-80 and 95-100 are of Class and Variety
89 X 1, and are furnished In Sizes 9, 11, 13, 14, 16, 17, 18, 19
and 21.
The size of the needle to be used should be determined by the
size of the thread which must pass freely through the eye of the
needle. Rough or uneven thread, or thread which passes with dif
ficulty through the eye of the needle, will Interfere with the
successful use of the machine.
Orders for needles must specify the QUANTITY required, the
SIZE NUMBER, also the CLASS and VARIETY NUMBERS separated by an x.
The following Is an example of an Intelligible order:
"100 No.16, 88 X 1 Needles"
The best stitching results will be obtained by using the
needles furnished by the Singer Sewing Machine Company.
Thread
Left twist thread should be used in the needle. Either right
or left twist thread can be used In the bobbin.
Fig.8. How to Determine the Twist
Hold the thread as shown above. Turn the thread over toward
you between the thumb and forefinger of the right hand; if left
twist, the strands will wind tighter; if right twist, the strands
will unwind.
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Relative Sizes of Needles and Thread
The following sizes of needles and thread are recommended ac
cording to the class of work:
Sizes
of
Needles
Classes of Work
Sizes of
Cotton, Linen
or Silk
14
Shirtings, Sheetings, Calicoes, Muslins,
Silks, Dress Qoods and all classes of
general work.
60 to 80 Cotton
A and B Silk
16
and
17
All kinds of heavy Calicoes, light
Woolen Goods, heavy Silk, Seaming,
Stitching, etc.
40 to 60 Cotton
C Silk
18
Tickings, Upholstery, Woolen Goods,
Trousers, Boys' Clothing, Cloaks, etc.
30 to 40 Cotton
D Silk
19
Heavy Woolens, Tickings, Bags, Heavy
Coats, Trousers, Heavy Clothing gener
ally.
34 to 30 Cotton
E Silk
60 to 80 Linen
21
Bags, Course Cloths and Heavy Goods.
16 to 20 Cotton
40 to 60 Linen
To Insure Perfect Action of the Machine
The balance wheel must always turn over toward the operator.
Do not run the machine with the presser foot resting on the
feed without cloth under the presser foot.
Do not run the machine when both bobbin case and needle are
threaded unless there Is material under the presser foot.
Do not try to help the machine by pulling the fabric lest you
bend the needle. The machine feeds the work without assistance.
The slide over the bobbin case should be kept closed when the
machine is in operation.
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To Remove the Bobbin
Turn the balance wheel over toward you until the needle moves
up to Its highest point. Draw out the slide In the bed of the ma-
Flg.9. Removing the Bobbin
chine. Open the bobbin case latch (l,Fig.9) and, by means of
this latch, remove the bobbin case from the sewing hook.
Vhlle the latch remains open, the bobbin will be retained In
the bobbin case. Release the latch, turn the open end of the bob
bin case downward and the bobbin will drop out.
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To Wind the Bobbin
(See Fig.10)
Fasten the bobbin winder to the table with its driving pulley
in front of the nachlne belt, so that the pulley will drop away
from the belt when sufficient thread has been wound upon the bob
bin.
EIZS57
Fig.10. winding the Bobbin
Place the bobbin on the- bobbin winder spindle and push it on
as far as it will go.
Pass the thread down through the thread guide (1) in the ten
sion bracket, around the back of, and between, the tension discs
(2). Then wind the end of the thread around the bobbin a few
times, push the bobbin winder pulley over against the machine
belt and start the machine.
When sufficient thread has been wound upon the bobbin, the
bobbin winder will stop automatically.
If the thread does not wind evenly on the bobbin, loosen the
screw (A) in the tension bracket and move the bracket to the
right or left as may be required, then tighten the screw.
The amount of thread wound on the bobbin is regulated by the
screw (B). To wind more thread on the bobbin, turn the screw (B)
inwardly. To wind less thread on the bobbin, turn this screw
outvardly.
Bobbins can be wound while the machine is stitching.
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To Thread the Bobbin Case
£/^55e
Fig.11
Hold the bobbin between
the thumb and forefinger of
the right hand, as shown In
Fig.11, the thread drawing on
the bottom from the left to
ward the right.
With the left hand hold the bob
bin case as shown In Fig.11, the
slot In the edge being near the top,
and place the bobbin Into It.
eissbo
Fig.13
£/2SS9
Fig.12
Then pull the thread Into the slot
In the edge of the bobbin case as
shown In Fig.12; draw the thread under
the tension spring and Into the deliv
ery eye at the end of the tension
spring (see Fig.13).
From the library of: Superior Sewing Machine & Supply LLC

10
To Replace the Bobbin Case
After threading, take the bobbin case by the latch and place
the bobbin case on the center stud (2,Fig.9) of the bobbin case
Fig.14. Bobbin Case Threaded and Replaced
holder; release the latch and press the bobbin case back until
the latch catches the groove near the end of the stud (See Fig.9).
Allow about two Inches of thread to hang free, and replace the
slide In the bed of the nachlne.
To Set the Needle
Turn the balance wheel over toward you until the needle bar
moves up to Its highest point; loosen the screw in the lower end
of the needle bar and put the needle up into the bar as far as it
will go, with the long groove of the needle toward the left and
the eye of the needle directly in line with the arm of the ma
chine, then tighten the screw.
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11
upper Threading
Pass the thread from the unwinder, or from the spool on the
spool pin on the top of the machine, from right to left through
- - 4
i
Fig.15. Upper Threading
the top hole (1) in the thread retainer, from left to right
through the center hole (2) in the thread retainer, and from
right to left through the bottom hole (3) in the thread retainer,
down under and from right to left between the tension discs (4),
into the thread take-up spring (5), under the slack thread regu
lator (6), up and back of the wire thread guide (7), up and from
right to left through the hole in the end of the thread take-up
lever (8), down through the thread guide (9), down through the
thread eyelet (10), into the thread guide (11), and from left to
right through the eye of the needle (12). Draw about two inches
of thread through the eye of the needle with which to commence
sewlnz.
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To Prepare for Sewing
Vlth the left hand hold the end of the needle thread, leaving
It slack from the hand to the needle, turn the balance v^eel over
Fig.16. Drawing Up the Bobbin Threac
toward you until the needle moves down and up again to Its highest
point, thus catching the bobbin thread; draw up the needle thread
and the bobbin thread will come up with It through the hole In the
throat plate (see Fig.16). Lay both threads back under the pres-
ser foot.
To Commence Sewing
Place the material beneath the presser foot, lower the presser
foot and commence to sew, turning the balance wheel over toward
you.
To Remove the Work
Let the thread take-up lever rest at its highest point, raise
the presser foot, draw the work back and cut the threads close to
the goods.
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13
Tensions
For ordinary stitching, the needle and bobbin threads should
be locked In the center of the thickness of the material, thus:
Fig.17. Perfect Stitch
If the tension on the needle thread Is too tight, or If that
on the bobbin thread Is too loose, the needle thread will lie
straight along the upper surface of the material, thus:
Fig.18. Tight Needle Thread Tension
If the tension on the bobbin thread Is too tight, or If that
on the needle thread is too loose-, the bobbin thread will lie
straight along the under side of the material, thus:
Fig.19. Loose Needle Thread Tension
To Regulate the Tensions
THE TENSION ON THE NEEDLE THREAD SHOULD BE REGULATED ONLY
WHEN THE PRESSER FOOT IS DOWN. Having lowered the presser foot,
turn the small thumb nut (C,Flg.2), at the front of the tension
discs, over to the right to Increase the tension. To decrease
the tension, turn this thumb nut over to the left.
The tension on the bobbin thread is regulated by the large
screw (FF,Flg.ll) In the tension spring on the outside of the
bobbin case. To increase the tension, turn this screw over to
the right. To decrease the tension, turn this screw over to the
left.
When the tension on the bobbin thread has been once properly
adjusted, it is seldom necessary to change it, as a correct stitch
can usually be obtained by varying the tension on the needle
thread.
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14
To Regulate the Length of Stitch
The length of stitch Is regulated by the thumb screw (B,Flg.
S) In the slot on the front of the upright part of the arm. To
lengthen the stitch, loosen this thumb screw and move It down
ward. To shorten the stitch, loosen this thumb screw and move
It upward. When the desired length of stitch has been obtained,
tighten the thumb screw (B).
To Regulate the Pressure on the Material
The pressure on the material is regulated by the thumb screw
(D,Flg.2). To Increase the pressure, turn this thumb screw over
to the right. To decrease the pressure, turn this thumb screw
over to the left.
Genuine Singer Needles should be used
in Singer Machines.
These Needles and their Containers
are marked with the
Company's Trade Mark "SIMANCO." I
Needles in Containers marked
**For Singer Machines'*
are not Singer made needles.
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INSTRUCTIONS
FOR
ADJUSTERS AND MACHINISTS
From the library of: Superior Sewing Machine & Supply LLC

16
To Set: the Needle Bar at the Correct Meight
See that the needle Is pushed up Into the needle bar as far
as It will go, then remove the face plate.
The needle bar,
vAilch is In the machine
when shipped from the
factory, has two timing
marks near its upper
end. Rotate the bal
ance wheel until the
needle bar moves down
to its lowest position.
The UPPER TIMING MARK
on the needle bar
should then be centered
with the lower end of
the needle bar bushing,
as shown at (D) in Fig.
SO. In case the needle
bar is not set at the
correct height, loosen
screw (E,Fig.20) and
move the needle bar up
or down until the UPPER
TIMIN3 MARK is centered
with the lower end of
the needle bar bushing,
as shown at (D,Fig.20),
then securely tighten
screw (E).
In the event that
the setting of the
needle bar bushing has
been disturbed, thus making it impossible to set the needle bar
for correct height by centering the upper timing mark with the
lower end of the needle bar bushing, turn the balance wheel to
bring the hook point to the center of the needle, loosen screw
(E) and move the needle bar up or down to bring the top of the
needle eye 1/32 inch below the point of the hook, then securely
tighten screw (E). Loosen the needle bar bushing set screw at
the top of the machine arm and, while the hook point is at the
center of the needle and 1/32 inch above the top of the needle
eye, move the needle bar bushing up or down to bring its lower
end exactly even with the LOWER TIMING MARK on the needle bar,
then securely tighten the needle bar bushing set screw.
Fig.20
Needle Bar Set at Correct Height
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17
To Time the Sewing Hook
Remcjve presser foot, slide plate, throat plate and bobbin
case. Take out the two screws (ES,Flg.30) and remove feed dog.
I
Fig.21. Needle and Sewing Hook Correctly Timed
To determine that the hook Is correctly timed, place a new
needle In the machine, then turn the balance wheel over toward
you until the LOWER TIMING MARK on the needle bar Is centered
with the lower end of the needle bar bushing as shown at (Q,Flg.
21)sWhen the needle bar Is on its upward stroke. With the
needle bar In this position, the point of the hook should be at
the center of the needle as shown at (R,Fig.21). The inset in
circle at the left of Fig.21 plainly shows this position of the
hook point relative to the needle.
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18
In case the hook is not correctly timed, loosen the three
screws (L,Fig.22) In the hub of the hook. These three screws
can be reached from the top of the machine bed through the open-
Fig.22. View of Underside of Michlne
Showing Bobbin Case Holder Position Bracket (H)
and Adjustments on Machine
Ing left by the removal of the throat plate, although, for pur
poses of Illustration, the screws are shown only In the view of
the underside of the machine in Fig.22. Rotating the balance
wheel of the machine will bring these screws, one at a time,
directly under the throat plate opening where they can be easily
reached with a screwdriver from the top of the machine bed.
After loosening the three screws (L,Flg.22) turn the hook on
Its shaft to bring the point of the hook at the center of the
needle as shown at (R,Fig.21), then tighten the three screws (L,
Flg.22).
The hook should be set as close as possible to the needle
without touching. If the hook Is too close to the needle or too
far away from It, loosen the three screws (L,Flg.22) and the bush
ing screw (J,Fig.22) and drive the bushing (K,Flg.22) in or out,
as may be required, until the hook just clears the needle, being
very careful not to damage the bushing, then securely tighten the
bushing screw (J) and the three screws (L).
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