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From the library of: Superior Sewing Machine & Supply LLC

Summary of Contents for 71K101

Page 1: ...INSTRUCTIONS FOR USING AND ADJUSTING SINGER SEWING MACHINE 71K101 FOR MAKING STRAIGHT BUTTONHOLES WITH SQUARE BARRED ENDS From the library of Superior Sewing Machine Supply LLC...

Page 2: ...sewing machines for stitching fabrics or leather where a thread lubricant is required TYPE F MOTOR OIL For oil lubricated motors and plain bearings in power tables and transmitters NOTE All of the abo...

Page 3: ...USING AND ADJUSTING SINGER SEWING MACHINE 7IkI0I HIGH SPEED GEAR DRIVEN FEED THE SINGER MANUFACTURING COMPANY A Trademark of THE SINGER MANUFACTURING COMPANY Printed in U S A From the library of Supe...

Page 4: ...Copyright under international Copyright Union From the library of Superior Sewing Machine Supply LLC...

Page 5: ...ngle extra long spiral spring in the stop cam gear helps the machine to stop without shock Machine 71k101 makes purl stitch buttonholes with square barred ends the hole being cut from f to f inch long...

Page 6: ...K Fig 2 each consisting of a bracket and a single pulley Fasten one of these pulleys K Fig 2 to the underside of the table directly below the clamp lifting lever B Fig 5 and in line with the chain adj...

Page 7: ...of the table the two pulleys should be assembled with the pulleys mounted in the holes of the arms nearest to the vertical rod hole as shown at M Fig 3 Two belt holes O Fig 2 should be bored in the t...

Page 8: ...be tween the two machines with the tight machine pulley towards the front of the table as illustrated in Fig 4 The belt idler pulleys fR Fig 4 must be mounted on their arms S as illustrated in Fig 4 a...

Page 9: ...justments on the Machine the places designated by the unmarked arrows in Figs 5 6 7 21 and 26 When the machine is in continuous use it should be oiled regularlv to ensure easy running and prevent unne...

Page 10: ...chine Also Adjustments on the Machine Needles Needles for Machines 71k101 are Catalogue 1526 71xl and are made in sizes 9 11 13 14 16 17 18 19 21 and 22 The size of the needle to be used should be det...

Page 11: ...used in the needle than on the bobbin for example use No 30 cotton in the needle with No 70 or 80 cotton on the bobbin or No 40 cotton in the needle with No 90 or 100 cotton on the bobbin For Whip Sti...

Page 12: ...on the bobbin winder tension bracket attached to the top of the machine under between the tension discs 2 Fig 9 through the thread guide 3 Fig 9 wind the end of the thread around the bobbin 4 Fig 9 a...

Page 13: ...left hand hold the bobbin case as shown in Fig 10 the slot in the edge being near the top and place the bobbin into it Fig 12 Fig 11 Then pull the thread into the slot 1 Fig 11 in the edge of the bobb...

Page 14: ...ward you and the eye directly in line with the arm of the machine then tighten the set screw Upper Threading of Machine See Figs 14 and 15 Pass the thread from the thread unwinder down through the hol...

Page 15: ...nd of the needle bar and from front to back through the eye of the needle 15 Fig 15 Draw about two inches of thread through the eye of the needle with which to begin sewing 7 B r 11 Fig 14 Upper Threa...

Page 16: ...lever J Fig 17 and the machine will immediately stop with the needle at its highest point Then with the right hand push the stitch gear disengaging lever A Fig 16 backward to disengage the stitch regu...

Page 17: ...ve the regulating lever D Fig 17 until the sleeve under the nut C rests against the downward projecting part of the gauge and tighten the nut C Now raise the cam A Fig 17 and turn it until the pin ent...

Page 18: ...unless otherwise ordered IFitted to the machine when shipped from the factory unless otherwise ordered Blind Stitches plus twice the sum of Counting Stitches and Bar Stitches is equal to the Needle D...

Page 19: ...bobbin thread should be light To Regulate the Width of Bight Fig 18 Adjustments on the Machine ment may be necessary to prevent the overthrow of the barring stitches while running at high speed This...

Page 20: ...he needle bar To Align the Needle Bar with the Knife The needle bar frame pitman is adjustable by means of the two screws C Fig 7 loosen these screws and move the needle bar frame until the needle on...

Page 21: ...ed it imperative that the arm shaft be turned in the direction of the arrow on the pulley in Figs 19 and 26 Therefore the belt should lead from pj Rear View of Gear Feed the driving side of the shaft...

Page 22: ...21 INSTRUCTIONS FOR ADJUSTERS AND MECHANICS From the library of Superior Sewing Machine Supply LLC...

Page 23: ...is not set at the correct height loosen the screw which holds the needle bar to the connecting stud M Fig 20 This screw can be reached when the needle bar is at its lowest point by inserting the speci...

Page 24: ...screw To Adjust the Thread Retainer The thread retainer A Fig 7 should be adjusted to produce a very light tension on the thread The tension should be only heavy enough to hold the thread take up spr...

Page 25: ...mpletion of the first bar the top tension J2 is again engaged by the bar tripping point E3 as it drops off the bar cam plate F3 and both tensions are used for the second row of side stitches Immediate...

Page 26: ...face toward the tight ma chine pulley as shown While the gears G and H are in this position the head D of the barring shaft should be set so that the adjustable crank slide B is approximately in line...

Page 27: ...is regulated by moving the barring tripping point E3 Fig 22 up or down A very slight movement of the barring tripping point changes the width of the barring stitches considerably To increase the widt...

Page 28: ...ine with the buttonhole cutting knife To time belt shifter see page 33 To Set the Knife Bar Draw the starting lever K4 Fig 26 forward out of engagement with the stop cam Hold the knife lever L3 Fig 22...

Page 29: ...check then apply the cutting blade and securely fasten both blades in position by means of the screw being careful to set the clamping blade about inch in advance of the cutting blade Then fasten the...

Page 30: ...tion of the arm shaft before finally stopping the machine thus minimizing the possibility of breaking the stop cam gear spring When making buttonholes in heavy fabrics it may be neces sary to lighten...

Page 31: ...m gear then remove the cover Turn the tight machine pulley by hand until the stop cam gear 03 Fig 26 is in the position shown in Fig 26 then remove the spring from the stop cam gear Place the new spri...

Page 32: ...en the clamping screw E4 Fig 27 and set the tripping lever D4 so that it moves the clamp lifting arm connection lock C4 about inch beyond the clamp lifting arm connection B4 as shown in Fig 28 then se...

Page 33: ...ever lock A4 Fig 28 loosen the two clamping screws W3 Fig 28 and rai or lower the lock A4 as required then tighten the clamping screws W3 To Regulate the Tripping of the Upper Thread Cutting and Clamp...

Page 34: ...The disc G4 Fig 28 upon which the belt shifter tripping point is mounted should be set so that it causes the belt shifter to move the belt from the tight machine pulley to the loose machine pulley not...

Page 35: ...letters A B or C on the turret E is to be brought into line with the pointer F the cutting edge of the knife being horizontal then tighten the screw G Start the grinder and turn the adjusting screw H...

Page 36: ...see that the knife is held securely against the stop and the turret properly set thus assuring the proper bevel equally made on both sides with the cutting edgetentral When the knife has been ground i...

Page 37: ...or container e on the needle or numbered part Needles in containers marked For Singer Mochines are NOT made by SINGER TO ALL WHOM IT MAY CONCERN The Improper placing or renewal of the Trademark SINGE...

Page 38: ...From the library of Superior Sewing Machine Supply LLC...

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