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From the library of: Superior Sewing Machine & Supply LLC

Summary of Contents for 39500AD

Page 1: ...FINEST QUALITY STYLE 39SOOAD CATALOG No 103AD INDUSTRIAL SEWING LEWIS COLUMBIA MACHINES CLASS 39500 STREAMLINED HIGH SPEED OVERSEAMERS CHICAGO From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...yle 39500 AD The parts listed in this catalo g furnished at li s t pric es for repairs o n ly Fi rst E dition Copyri g ht 1960 by Union Specia l Mach i ne Co Rig ht s Res er ved in All Countries MACHINE COMPANY INDUSTRIAL SEWING MACHINES CHICAGO Pr i nted in U S A 2 From the library of Superior Sewing Machine Supply LLC ...

Page 3: ...ts house dresses children s wear ladies undergarments and similar articles Knee press controlled intermittent differential feed and independent swing out auxiliary pressure plate attachment Three thread overedge and reinforcing stitch seam specification 512 SSa 1 Standard width of seam from left needle 17 64 inch Gathering ratio up to 3 to 1 depending on stitch length Stitch range 8 to 20 per inch...

Page 4: ...withdraw needles To replace needles leave needle holder at high position and with the flats to the left insert needles in holder one on each side of spacer washer until they rest against stop pin Keeping needles in this position turn handwheel until holder is again at its low point of travel then tighten nut Return presser arm H to position re lock presser foot release bushing S THREAD STAND After...

Page 5: ...lupper Looper Thread Eyelet m Auxilia ry Looper Thread Eyele t IILower L ooper Thread Eyelet Fabric Guard Bracket Presser Arm Figure 1 Needl e Thread E yelet Top Cove r eedle Th r ead E yele t Uppe r Looper Thread Tube As sembly L ower Looper 5 From the library of Superior Sewing Machine Supply LLC ...

Page 6: ...right to left through both eyes of needle thread eyelet P under neck of top cover casting then down through hole in top cover needle thread eyelet N Thread needles from front THREAD TENSION The amount of tension on needle and looper threads is regulated by four knurled tension nuts X Fig 1 Tension on threads should be only enough to secure proper stitch formation PRESSER FOOT PRESSURE Sufficient p...

Page 7: ...inch above throat plate Fig 3 Move needle driving a rm A Fig 3 by loosening clamp screw B Remove the throat plate If needle thread cam pull off A Fig 4 overlaps looper thread pull off B separate by moving looper thread pull off to back When re tightening looper 1 pull off screw be sure to take up end play in needle driving arm Fig 3 Fig 5 At this point in sert lower looper A Fig 6 into ba r B With...

Page 8: ...holder so that the shank extends 1 I 1 6 to 3I 32 inch beyond holder When the upper looper is at the right end of its stroke upper looper holder should be set to position upper looper shank back of vertical Flg 8 By adjusting looper holder in or out of upper looper shaft and by turning the looper around its shank set upper looper point to cross lower looper to the left of the lower looper eye with...

Page 9: ...t of travel the top of the teeth on the main and differential feed dogs A B should be 3 64 inch above the throat plate The c haining feed dog is made as on integral part of the main feed dog SETTING THE LOWER KNIFE Replace lower knife holder assembly Lower knife A Fig 13 should be set with cutting edge flush with throat plate surface Adjustments are made with hexagonal head screw which holds lower...

Page 10: ...ay be advantageous to reverse the stops sothe adjusting screw stop B isforlower stop and the stationary stop C is for upper position The 3 to 1 ratio machines are equipped with a stop screw D to prevent differential feed dogs from striking the throat plate when a machine is set at maximum differential3 and screw should not be removed STARTING TO OPERATE Be sure machine is threaded according to thr...

Page 11: ...l During needle down stroke forward stroke of looper thread pull off R will draw upper thread through the tension When normal amount of looper thread is drawn upper looper thread will have almost all slack taken up as looper thread pull off reaches its most rearward position POSITIONING THE PURL To movethe purlmore underthe edge bothlooperthreadeyelets C and E Fig 1 should be raised keeping the sa...

Page 12: ... 12 From the library of Superior Sewing Machine Supply LLC ...

Page 13: ... A 25 cc 22728 A 39536 AC 39536 AA 39536 AD 161 88 39536 AB 161 A 22764 43139 A 22569 c Amt Description Req Tension Post Nut 4 Tension Spring Looper Thread 2 Tension Spring Needle Thread 2 Tension Post Ferrule 4 TensionDisc 8 Tension Post 4 Tension Post Mounting Bracket 1 Frame Thread Guide 1 Top Cover 1 Oil Filler Cover 1 Hinge Pin 1 Spring 1 Top Cover Needle Thread Eyelet 1 Needle Clamp Stud 1 N...

Page 14: ...escription Req Thread Stand complete 1 EyeletSupport 1 Screw 2 Eyelet Locking Ring 8 Eyelet 8 Felt Pad 4 Spool Pin 4 Nut 8 Spool Seat Disc 4 Washer 4 LeadEye1et 1 Eyelet Locking Ring 4 Eyelet 4 Spool Seat Support 1 Screw 2 Lead Eyelet Socket Ball 1 Screw 2 Screw 1 Thread Stand Base 1 Screw 2 Lead Eyelet Ball Split Socket 2 Washer 1 Nut 1 Thread Stand Rod 1 KNEE PRESS PARTS Knee Press Pad 1 Knee Pr...

Page 15: ... 226 LATIN AMERICA Union Spcdaf lnternutionul Inc ARGENTINA BUENOS AIRES Pamoto Costura S A San Jose 350 Union Special Machino Company L Cl BRAZIL SAO PAULO Pancostura S A lndu tria o Comorcio Rua Aurora 59A 71 Bronchus a t PO RTO ALEGRE Rua Volunlarios do Patria 533 RECIFE Rua Princesa Isabel 105 RIO DE JANEIRO Rua Alexandre MacKenzio 117 C L CHILE SANTIAGO Lowonstoin Stewart S A C Calla Santo Do...

Page 16: ...ewood 1 3106 NEW YORK 16 N Y 116 E 27th St Clarence L Rosenquist Mgr Tol Murray Hat 9 1266 Export Office 315 W 35th St New York 1 N Y Horborl P Johnson Mgr Tel Chlckoring 4 8800 Lewis Columbia Machines 315 W 35th St Now York 1 N Y Bon Zahler Mgr Tel Chickering 4 8800 OKLAHOMA CITY 19 OKLA 2226 Southwest 53rd St G B Wiley Tel Mutual 5 2836 PHILADELPHIA 24 PA 4234 Mocaleotor Ave Bon W Merr Mgr Tel G...

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