Singer CLASS 18 User's Manual
Contents
1. INSTRUCTIONS FOR USING AND ADJUSTING SINGER SEWING MACHINES OF CLASS 18 THE SINGER MANUFACTURING CO Purchasing of Parts and Needles Supplies of parts and needles for Singer machines can be pur chased at any Singer shop or ordered by mail If orders are sent by mail money or a post office order covering their value including postage should be enclosed and the order will then be promptly filled and forwarded by mail or express DESCRIPTION Machines of Class I8 have a eylinder bed with the balanee wheel at the left hand and are designed for vamping shoes ete they are also successfully used for stitching other work in light and medium weight leather A flat work plate which can be readily attached or detached is furnished when so ordered Machine 18 1 has one needle and a long beak shuttle a roller presser and a drop feed at the right of the needle The eylinder bed is 213 inehes in diameter and 10 ches in length from the needle to the base of the arm Itis used for shoe work Machine 18 2 is the same as Machine 18 1 except that the roller presser and drop feed are at the left of the needle It is used for shoe work Machine 18 3 has one needle and a long beak shuttle a roller presser and wheel feed at the left of the needle The cylinder bed is 2 y inches in diameter and 10 s inches in length from the needle to the base of the arm Tt is used for shoe work Machine 18 5 has two needles and t2. by pulling the hinged portion downward lift out each shuttle open the shutlle covers and when the shuttles are turned downward the bobbins will iopo To Wind the Bobbin Place the spool of thread on the spool pin and wind the end of the thread around the bobbin a few times then place the bobbin onthe bobbin winder spindle and press it onas faras it will go Loosen the thumb serew on the bobbin winder and push it down until the rub ber ring presses against the balance wheel then tighten the thumb screw Raise the roller presser and run the machine at thesame time guiding the thread with the finger as shown in Fig 5 When suflicient thre ad has been wound upon the b obbin stop the machine and take off the bobbin loosen the thumbscrew on the winder turn it up and tighten the screw re 6 Open the shuttle cover hold the shuttle in the left hand with the open side up and place the bobbin into it Fo Vhread the Shuttle Se heal Take the bobbin in the right hand with the thread drawing on top from the left toward the right tsee Fie 6a Pass the thread into the slot in the edge of the shuttle cover see Fig T and close the caver then draw the thread under the delivery eye thread guard and into the delivery eye see Fig 8 10 To Replace the Shuttle After threading take the shuttle in the right hand holding i between the thumb and forefinger with the delivery eve
3. toward the left and the point of the shuttle pointing up and toward you F7927 lia 9 REMOVING Mie 10 Sievers Putas very He Cap AND REPLACED Insert the bottom of the shuttle into the race first being care ful that the needle bar is at its lowest point then push the shuttle into the race as far as it will go having the point of the shuttle above the arm of the shuttle driver Allow about two inches of thread to hang free from the shuttle through the slot in the bottom of the race see Fig 10 then replace the cap gi Fo Replace the Shuttles on Machines 18 5 18 9 and 18 16 On Machines 18 5 18 9 and 18 16 place the shuttle in the shuttle race with the point of each shuttle even with the edge of the race and the thread delivery eye of each shuttle toward the right as shown in Fig 11 Pass the thread from the inside shuttle into the slot in the left side of the shuttle race and allow the end of the thread from the outside shuttle to hang free see that the needle bar is at its lowest point then close the race and replace the cover To Prepare for Sewing With the right hand hold the ends of the needle threads leaving them slack from the hand to the needles turn the balance wheel over from vou until the needles move down and up again to their highest point thus eatehing the under threads draw up the needle threads and the under threads will come with them through the holes in the throat plate Lay the threads
4. back under the roller presser To Commence Sewing Place the material and the needle threads beneath the roller presser lower the presser and commence to sew turning the balance wheel over from you To Remove the Work Let the needle bar rest at its highest point press the knee lifter and draw the material backward about three inches and cut the threads close to the work Leave the ends of the threads back under the roller presser 12 Tensions For ordinary slitehing the upper and under threads should be locked in the centre of the thiekness of the material thus reae Pra 12 Prerener Server If the tension on the upper thread is loo tight or if that on the under thread is too loose the thread will lie straight along the upper surface of the material thus Ea ear Fia 13 Tient Upper TENSION If the tension on the under thread is too tight orif that on the upper thread is too loose the thread will lie straight along the underside of the material thus 4 A Pia lf Loose Creer TENSION To Regulate the Tensions The tension on the upper thread is regulated by the thumb nut K Fig 2 at the right of the tension dises on the side of the machine head To increase the tension turn the thumb nut over from you To decrease the tension turn the thumb nut over toward you The tension on the under thread is regulated by the serew near the delivery eye on the outside of the shuttle To increase th
5. clamp as far as it will go with the long groove of the needle toward the left or Che upright part of the arm then tighten the screw B On two needle machines the long groove of the needles should face each other G To Thread the Needle Pass the thread from the unwinder or from the spool on the spool pin into the thread guide D at the top of the machine down under around between the tension dises 2 up into the thread guide 3 down under the take up spring 4 up and from front to back through the eye 5 in the take up lever down through the hole 6 in the machine head into the thread guide 7 at the end of the needle bar and from left to right through the eye 8 of the needle Draw about two inches of thread through the eye of the needle with which to commence sewing t To Thread Two Needle Machines To thread the outside needle or the one farthest from the balance wheel pass the thread from the spool on the spool pin through the guide A over around between the tension dises B down into the guide C around under the roller D over the thread guard 18 into the take up spring F up and from front to back through the outer hole G of the take up lever down through the hole H through the guide GJ at the lower end of the needle bar then from left to right through the eye K of the needle To thread the inside needle or the one nearest the balance wheel pass the thread from th
6. dle bar clamp Chen move the needle bar upward or downward as required After the needle bar is set at the correct height securely tighten he clamp screw Dh To Raise or Lower the Feed Dog The feed dog should be set so that when it is raised slightly less than the full depth of the teeth will project above the throat plate To raise or lower the feed dog loosen the screw G Fig 11 and raise or lower the feed dog as required then tighten the screw G
7. e tension turn the serew over to the right To decrease the tension turn the screw over to the left When the tension on the under thread has been once properly adjusted it is seldom necessary to change it as a correct stitch ean usually be obtained by varying the tension on the upper thread To Regulate the Length of Stitch The length of stitch is regulated by the thumb screw C Fig 2 in the slot in the front of the arm at the left To lengthen the stitch loosen the thumb serew C and move it upward To shorten the stitch loosen the thumb screw and move it downward When the desired length of stitch is obtained tighten the thumb serew C To Regulate the Pressure on the Material The pressure on the material is regulated by the thumb serew A Fig 2 To increase the pressure turn the thumb serew A downward To decrease the pressure turn the thumb screw upward The pressure should only be heavy enough to enable the feed to move the work along evenly on INSTRUCTIONS FOR ADJUSTERS AND MACHINISTS To Set the Needle Bar at the Correct Height Turn the balance wheel over until the needle has reached its lowest point and has risen until the point of the shuttle is at the centre of the needle The eye of the necdle should then be about r e neh below the point of the shuttle Tf the needle bar is not set at the correet height insert a serewariver in the hole cle bay oy and loosen the screw D Fig 2 in the nee
8. e spool on the spool pin through the guide 1 over around between the tension dises 2 down into the guide 3 around under the roller 4 over he thread guard 5 into the take up spring 6 up and from front to back through the inner hole 7 of the take up lever down through the hole 8 8 through the guide 9 at the lower end of the needle har then from right to left through the eye 10 of the needle Draw about two inches of thread through the eye of cach needle with whieh to commence sewing To Remove the Bobbin Turn the balance wheel over toward you until the needle bar is al its highest point Press outward on the spring M as shown tn Fig 9 so as to clear the serew l Fig 9 and at the same time raise the back edge K Fig 9 of the eap until the serew head ili is under the spring then pull outward on theeap and slide if from vou Turn the balance wheel over from you until the needle bar is at its lowest point then with the thumb and forefinger of the right hand lift out the shuttle open the shuttle cover turn the shuttle down ward and the bobbin will drop out To Remove the Bobbin from Machine 18 5 Turn the balance wheel over from you until he needle bar is at its lowest position swing the cover de Fig ID as shown in Fig 11 Lift the spring H Fig 11 and lower the shuttle race the shuttles will be lowered from their positions into the race as shown in Fig 11 After opening the race
9. l the parts which are in movable contact have become glazed by their action upon each other When the machines are in operation the balance wheel should always turn over from the operator Needles Needles for Machines of Class 18 are of the Class and Variety as given in the following table i CLASS AND VARIETY besa MACHINES SIZES OF NEBDELES NOS OF NEEDLES In J is 2 liv SOG 00 PEO de Tb 15 16 17 ts IN 3 eb Ds a IS 15 IS I7 Is i Ihy 2 SOO TOO TE ES TE ta Te Ve TS IS 6 or WY 21 2 and 23 IS 16 hy 22 TEE 2022 end a N S TNO PO th Ta bb Fa te TS IN liv 74 Pa ST ee Sk eh 23 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 Tf rough or uneven thread is used or if it passes with dif fieulty through the eye of the needle the suecessful use of the machine will be interfered with Orders for needles must specify the quantity required the size number also the class and variety numbers separated by the letter x The following is an example of an intelligible order 100 No 14 16x 2 Needles The best stitehing results will be obtained when using the needles furnished by the Singer Sewing Machine Company To Set the Needle Turn the balance wheel over from you until the needle bar is at its highest point loosen the serew B Fig 2 in the needle clamp at the lower end of the needle bar and put the needle up into the
10. nce between the needles may be from 4 to l inch as desired It is used for vamping shoes and other work in leather Machine 18 17 has one needle and a long beak shuttle a roller presser and wheel feed at the left of the needle The eylinder bed is 213 inches in diameter and 5 o inches in length from the needle to the base of the arm It is used for general work in leather Machine 18 18 has two needles and two long beak shuttles a roller presser and wheel feed at the lefi of the needle The cylinder hed is 2 5 inches in diameter and 5 inches in length from the left hand needle to the base of the arm The distance between the needles may be from 4 to lg inch as desired It is used for general work in leather To Oil the Machine To ensure easy running and prevent unnecessary wear of the parts which are in movable contact the machine requires oiling and when in continuous us it should be oiled at least twiee each day hie 2 Ome Powers vrne Prov or crab Macninn ALSO ANDIUSTMENTS ON THE MAOINE Oil should be applied to all oil holes marked Oil and to all oiling places indicated by arrows in Fig 2 Speed The maximum speed recommended for Machines 18 1 18 2 18 3 18 5 18 6 and 18 7 is 1400 per minute and the maximum speed recommended for Machines 18 15 18 16 18 17 and 18 18 is 1500 per minute depending upon the nature of the material being sewn The machine should be run slower than the maximum speed unti
11. wo long beak shultles a roller presser and drop feed at the left of the needles The eylinder bed is 2 inches in diameter and 101 inches in length from the left hand needle to the base of the arm The distance between the two needles may be from jt to 1 inch as desired t is used for shoe vamping and other work in leather Machine 18 6 has two needles and two long beak shuttles a roller presser and wheel feed at the right of the needles The eylinder bed is 21 inches in diameter and 10 mehes in deneth from the teft hand needle to the base of the arm The distance between the two needles may be from ab to tginch Elis used for shoe vamping Machine 18 7 has one needle and a central bobbin shuttle a roller presser and drop feed at the left of the needle The eylinder bed is 2 inches in diameter and 101 inches in length from the needle to the base of the arm JE is used on children s shoes and other articles having a small opening Machine 18 15 has one needle and a long beak shuttle a roller presser and drop feed at the left of the needle The eviinder bed is 21 inches in diameter and 51o inches in length from the needle to the base of the arm H is used for general work in leather Machine 18 16 has two needles and two long beak shuttles a roller presser and drop feed at the left of the needle The evlinder bed is 21 inches in diameter and 514 inches in length from the left hand needle to the base of the arm The dista
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