UnionSpecial 39500AC-060 Instructions For Adjusting And Operating Download | Manualshive

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From the library of: Superior Sewing Machine & Supply LLC

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Summary of Contents for 39500AC-060

Page 1: ... 103AC INDUSTRIAL SEWING LEWIS COLUMBIA MACHINES TY SEWING SUPPLy CO UNI 824 E 8th St Loa Angeles CA 90021 CLASS 39500 f J _ STREAMLINED HIGH SPEED OVERSEAMERS MACHINE COMPANY C H l C A G 0 From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...500 AC 060 The parts l i sted in this catalog are furnish e d at list prices for repairs only F i rst Edit i on Copyright 1961 by Union Special Machine Co R ights R eserved in All Countries MACHINE COMPANY INDUSTRIAL SEWING MACHINES CHICAGO Pri n ted in U S A 2 February 1967 J From the library of Superior Sewing Machine Supply LLC ...

Page 3: ...while seated at the machine Operating direction of handwheel is away from operator STYLE OF MACHINE Two Needle One Looper One Spreader Three Thread Low Throw Overseaming Machine Differential Feed Trimming Mechanism With Spring Pressed Lower Knife Automatic Lubricating System 060 Inch Needle Spacing 39500 AC 060 For closing men s women s and children s half hose Seam specification Special SSa 1 sta...

Page 4: ...elease pressure on presser foot by turning presser foot release bushing P Fig 1 and swing presser arm D out of position Turn handwheel in the operating direction until needles are attheir lowest point oftravel Using hexagonal socket wrench No 21388 AU furnished with machine loosen needle clamp nut about 1 4 turn Againturnhandwheel until needles are athighposition Withdraw needles To replace needle...

Page 5: ...iscs W and add 2 pads 39592 E between them Thread goes between the pads Tension Guide read Lower Looper Thread Eyelet resser Fabric Guide 1 1 Bracket Figure 1 5 IU Needles IJ Upper Spreader Low r La From the library of Superior Sewing Machine Supply LLC ...

Page 6: ...eft hole of the top cover needle thread eyelet Thread needles from the front THREAD TENSION The amount of tension on the needle and looper threads is regulated by three knurled tension nuts S Fig 1 Tension on threads should be only sufficient to secure proper stitch formation PRESSER FOOT PRESSURE Sufficient pressure to feed the work uniformly should be maintained Should it be necessary to increas...

Page 7: ...r looper A Fig 4 into bar C With lower looper at the left end of its stroke set the looper point 1 8 inch from center ofleft needle using looper gauge No 21225 G 1 8 Do not have lower looper deflecting the needles Tighten nut B SETTING THE REAR NEEDLE GUARD Set rear needle guard as high as possible A Fig 5 without interfering with either lower looper or movement of lower knife holder but still in ...

Page 8: ...ts holder slightly and rotate holder a short distance counterclockwise looking from left end of machine Fig 8 Reset to maintain dimensions suggested above and in Fig 8 SETTING THE FEED DOGS Assemble and set the differen tial feed dog A Fig 9 and main feed dog B so that top surfaces of the feeding surfaces all lay in the same plane This can be checked by sighting across feeding surface with a strai...

Page 9: ...eed eccentrics used Outer left eccentric A Fig 11 actuates main rear feed dog while the inner right eccentric B actuates the differential front feed dog In assembling feed eccentrics be sure hubs are facing each other Be careful not to damage shaft or key Tighten nut C securely Be sure wool yarn in oil tube F touches feed eccentric connections To change feed eccentrics remove nut C from end of sha...

Page 10: ...s and moves offthe tongue freely Swing presser foot into position insert material and sew slowly NEEDLE THREAD CONTROL While sewing on material check needle thread control as follows Usually all needle threads are drawn from cones on needle down stroke Attop of stroke thread should be just tight enough to feed chain off throat plate stitch tongue With needle at bottom of stroke position needle thr...

Page 11: ...is raised and brought too far forward however the thread becomes too tight resulting in looper thread breakage With a reasonable amount of looper thread tension to insure a flexible chain the looper thread pull off eyelet should be adjusted to position the purl as desired THREAD TENSIONS WITH RESPECT TO STITCH The needle thread tension required is a function of needle thread and the material being...

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

Page 13: ... Description Amt Req Needle Driving Arm marked A 1 Screw 1 Stop Pin 1 Needle size 029 2 Needle Clamp Stud 1 Needle Thread Tension Spring 2 Looper Thread Tension Spring 1 Pad for 39592 F 1 Pad for left needle thread only between inverted tension discs 2 PresserArm 1 Presser Foot 1 Chain Shield 1 Screw Chain Shield 1 Hinge Spring 1 Screw Tongue and Spring 1 Presser Foot Stitch Tongue marked EK 1 Scr...

Page 14: ...24 26 25 14 From the library of Superior Sewing Machine Supply LLC ...

Page 15: ...9 A 116 Amt Description Req Thread Stand Eyelet and Support Rod 3 Eyelet Locking Ring 6 Eyelet 6 Fell Pads 3 Spool Pin 3 Cone Support 1 Screw Thread Stand Eyelet 3 Screw Thread Stand Rod 1 Thread Stand Rod 1 Washer 1 Washer 1 Lock Washer 1 Nut 1 Screwdriver 1 Treadle Chain 1 Cam Extractor 1 Socket Wrench for 3 8 inch nuts holding feed eccentrics 1 Thread Tweezers 1 Threading Wire 1 Wrench for 9 32...

Page 16: ...eds 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 QUEBEC BRUSSELS BELGIUM LEICESTER ENGLAND LONDON ENGLAND PARIS FRANCE STUTTGART GERMANY Representatives and distributors in all Important Industrial cities throughout the ...

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