Singer Sewing Machine - Instructions for Using Singer Oil for Machine No. 31-15

Oct 22, 2026

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Instructions for using the Singer Sewing Machine No. 31-15, emphasizing the importance of using Singer oil prepared for sewing machines. Guidance covers purchasing parts and needles by mail, identifying the machine’s lock-stitch function for garment stitching, and operating at a recommended maximum speed of 2200 stitches per minute. It specifies compatible needle classes and varieties, selecting needle size by thread fit, and provides ordering examples, plus setup and threading procedures.

LanguageEnglish

CategoryTechnology

FormatPDF

Pages20

Reading Time50 min

AccessFree to download

Instructions

Using Singer oil

Purchasing parts and needles

Description of Machine No. 31-15

Speed and operating notes

Needles and selecting the correct size

Orders for needles

Relative sizes of needles and thread

Ensuring perfect action

Thread twist determination

Removing and winding the bobbin

Threading the bobbin case

Form 8268January,1916 # INSTRUCTIONS FOR USING SINGER SEWING MACHINENo.31-15 THE SINGER MANUFACTURING CO. # THE IMPORTANCE OF USINGSINGER OIL FOR YOURSEWING MACHINE "The Best is the Cheapest" KNOWING from many yearsexperience the great importanceof using GOOD OIL,we put upan extra quality machine oil,inbottles,especially prepared forsewing machines. See that the words “THE SINGERMANUFACTURING COMPANY”are moulded upon the bottle. 矩 # INSTRUCTIONS FOR USING SINGER SEWING MACHINENo.31-15 OSCILLATING SHUTTLE THE SINGER MANUFACTURING CO. # Purchasing of Parts and Needles Supplies of parts and needles for Singer machinescan be purchased at any Singer shop or ordered bymail.If orders are sent by mail,money or a postoffice order covering their value,including postage,should be enclosed and the order will then bepromptly filled and forwarded by mail or express. ## DESCRIPTION Machine No.31-15 makes the lock stitch and isintended for stitching clothing,cloaks,suits,skirts,shirts,etc. Speed The maximum speed recommended for MachineNo.31-15 is 2200 stitches per minute.The machineshould be run somewhat slower than the maximumspeed at first until the parts which are in movablecontact have become glazed by their action uponeach other. Needles Needles for Machine No.31-15 when used on thepower table are of Class and Variety 16x87 andwhen used on foot power stand are of Class andVariety 16x 73.The needles are furnished insizes Nos.14,16,17,18,19,21,22 and 23. The size of the needle to be used should bedetermined by the size of the thread which mustpass freely through the eye of the needle.If roughor uneven thread is used,or if it passes with difficultythrough the eye of the needle,the successful use ofthe machine will be interfered with. 4 Orders for needles must specify the quantityrequired,the size number,also the class and varietynumbers separated by an x. The following is an example of an intelligibleorder: "100 No.18,16x87 Needles." No other needles will give as good results as thosefurnished by the Singer Sewing Machine Company. 1 Relative Sizes of Needles and Thread | SIZES
OF
NEEDLES | CLASSES OF WORK | SIZES OF COTTON,
LINEN OR
SILK | | --- | --- | --- | | 14 | Shirtings,Sheetings,Calicoes,
Muslins,Silks,Dress Goods
and all classes of general
work. | 60 to 80 Cotton
A and B Silk | | 16and 17 | All kinds of heavy Calicoes,
light Woolen Goods,heavy
Silk,Seaming,Stitching,etc. | 40 to 60 Cotton
C Silk | | 18 | Tickings,Upholstery,Woolen
Trousers, Boys'
Goods,
Clothing,Cloaks,etc. | 30 to 40 Cotton
D Silk | | 19 | Heavy Woolens, Tickings,
Bags,Heavy Coats,Trousers,
and Heavy Clothing gene-
rally. | 24 to 30 Cotton
E Silk
60 to 80 Linen | | 21 | Bags,Coarse Cloths and Heavy
Goods. | 16 to 20 Cotton
40 to 60 Linen | | 22 and 23 | Extra Heavy Work. | 8 to 16 Cotton
24 to 40 Linen | 5 To Ensure Perfect Action of the Machine The balance wheel must always turn over towardthe operator Do not run the machine with the presser footresting on the feed without cloth under the presserfoot. Do not run the machine when both bobbin caseand needle are threaded unless there is materialunder the presser foot. Do not try to help the machine by pulling thefabric lest you bend the needle;the machine feedsthe work without assistance. The slide over the bobbin case should be keptclosed when the machine is in operation. Thread Left twist thread should be used in the needle.Either right or left twist thread can be used in thebobbin. FIG.2. How TO DETERMINE THE TwIST Hold the thread ase shown above. Turn thethread over toward you between the thumb andforefinger of the right hand;if left twist,the strandswill wind tighter;if right twist,the strands willunwind. 6 To Remove the Bobbin Turn the balance wheel over toward you un

FAQs

Why is Singer oil important for the Singer sewing machine?

Singer oil is specially prepared for sewing machines. The instructions emphasize using good oil for proper machine performance and longevity.

What is the recommended maximum speed for Machine No. 31-15?

The maximum recommended speed is 2200 stitches per minute. The machine should be run somewhat slower at first until moving parts become glazed by action.

How do you choose the correct needle size for Machine No. 31-15?

Select the needle size according to thread size so the thread passes freely through the needle’s eye. If thread is rough, uneven, or hard to pass, successful machine use is interfered with.

Oct 22, 2026

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