UnionSpecial 39500W Series Instructions For Adjusting And Operating Download Page 3 | Manualshive

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From the library of: Superior Sewing Machine & Supply LLC

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Summary of Contents for 39500W Series

Page 1: ...T QUALITY STYLES 39500W CATALOG No 103W INDUSTRIAL SEWING LEWIS COLUMBIA MACHINES CLASS 39500 STREAMLINED HIGH SPEED OVERSEAMERS MACHINE COMPANY CHICAGO From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...OF P A HTS CL SS 39500 Style 3 9 500 w First Edition Copyri g ht 1958 by Un on Special M achi ne Co Ri g hts Reserv e d in A ll Countri e s MACHINE COMPANY INDUSTRIAL SEWING MACHINES CHICAGO Printed in U S A July 1971 From the library of Superior Sewing Machine Supply LLC ...

Page 3: ... and woven fabrics with a modified safety stitch For operations on pajamas bathing suits house dresses children s wear ladiee undergarments and similar articles standard width of seam from left needle 17 64 inch stitch range 6 to 20 per inch standard setting 10 per inch OILING CAUTION Oil was drained from machine when shipped so reservoir must be filled before beginning to operate Oil capacity of ...

Page 4: ...ition 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...

Page 5: ...ns ion P ost Sl ut m Thre 1d G td Upper L oopet T hre td Eyt let m LLXil i try Looper Threa d Ey ll l IILower Looper Threucl Ey i l IIF hrrc Gu a r d Bt ackel Figure 1 Uppe r LuopPr l hr Pacl Tube ssem hl Lowe r Loupe 5 From the library of Superior Sewing Machine Supply LLC ...

Page 6: ...from 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 Suffici...

Page 7: ... should be set 15 32 inch above throat plate Fig 3 Move needle driving arm 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 pull off screw be sure to take up end play in needle driving arm At this point in sert lower looper A Fig 6 into bar B...

Page 8: ...eyond holder When the upperlooper is at the right end of its stroke upper looper holder should be set to position upper looper shank back of vertical Fig 8 By adjusting looper holder in or out of upper looper shaft and byturning the looper around its shank set upper looper point to cross lower looper to the left of the lower looper eye with 0 002 to 0 004 clearance Fig 9 Next turn the handwheel un...

Page 9: ... 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 kni...

Page 10: ...dition to removing nut C F ig 15 from shaft D it may be helpful to remove nut G and feed driving connection H Then continue as originally suggested SETTING THE PRESSER FOOT Fig 15 Assemble presser foot to presser arm With needle in high position swing presser arm into sewing pos ition and lock in place If necessary presser foot can be realigned with throat plate slots by shifting foot lifter lever...

Page 11: ...d comes off upper looper To increase amount of thread drawn through the tension while lower looper thread is on upper looper move lower looper thread eyelet E down keeping the same amount of pull off action UPPER LOOPER THREAD CONTROL Before proceeding to adjust upper looper thread eyelet C Fig 1 balance all four tensions to give a normal appearing stitch Moderate change in these tensions will not...

Page 12: ... 67 F 12 From the library of Superior Sewing Machine Supply LLC ...

Page 13: ... Eyelet Locking Bing 8 Eyelet 8 Pad 4 Spool Pin 4 Nut 8 Spool Seat Disc 4 Washer 4 Lead Eyelet 1 Eyelet Locking Ring 4 Eyelet 4 Spool Seat Support 1 Screw 2 Lead Eyelet Socket Ball 1 Screw 2 Screw 1 Lead Eyelet Ball Split Socket 2 Nut 1 Washer 1 Thread Stand Hod 1 Thread Stand Base 1 Screw 2 Differential Feed Driving Eccentric 022 inch throw 1 Main Feed Driving Eccentric 006 inch throw 1 Different...

Page 14: ...ATIC FOOT LIFTER The air operated foot lifter for use on Class 39500 machines allows the operator to raise the foot simply by knee touching an actuating switch CHAIN CUTTER The above photo shows the small pneumatoc chain cutter that Is available for installation as an accessory unlt on Class 36200 Flatseamers Style 2899A 6 HEAT DISPELLER Union Special s auxiliary unit arrow Is an effective means f...

Page 15: ...ute and Multiwall Paper Bags No 263 Men s Clothing No 264 Men s Women s Children s Jackets No 265 Women s Wear No 266 Women s Wear And High Fashion No 267 Corsets Girdles Brassieres No 268 Children s Wear No 269 Mattresses Slip Covers Furniture Upholstery No 271 Awnings Canopies Tents Tarps No 273 Curtains Drapes No 610 Kiipp it No 710 MCS ForMation Unit No 730 MCS Automatic Dual Underfront Shirt ...

Page 16: ...ds promptly and efficiently Whatever your loca tion there is a Union Special Representative to serve you Check with him today ATLANTA GA BOSTON MASS CHICAGO ILL DALLAS TEXAS LOS ANGELES CAL NEW YORK N Y PHILADELPHIA PA MONTREAL CANADA TORONTO CANADA BRUSSELS BELGIUM LEICESTER ENGLAND I LONDON ENGLAND PARIS FRANCE STUnGART GERMANY Representatives and distributors in all Important industrial cities ...

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