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From the library of: Superior Sewing Machine & Supply LLC

Содержание 39500 MC

Страница 1: ... 39500 MC CATALOG No LEWIS COLUMBIA CLASS 39500 INDUSTRIAL SEWING MACHINES HI STYLED HIGH SPEED TWO OR THREE THREAD HEMMER OR SERGER DIFFERENTIAL FEED MACHINES CHICAGO From the library of Superior Sewing Machine Supply LLC ...

Страница 2: ...From the library of Superior Sewing Machine Supply LLC ...

Страница 3: ... ADJUSTING AND OPERATING LIST OF PARTS CLASS 39500 Style 39500 MC First Edition Copyright 1969 By Union Special Machine Co Rights Reserved in All Countries MACHINE COMPANY INDUSTRIAL SEWING MACHINES CHICAGO Printed in U S A 3 From the library of Superior Sewing Machine Supply LLC ...

Страница 4: ...from the operator s position while seated at the machine Operating direction of handwheel is away from operator STYLE OF MACHINE Hi Styled High Speed Single Curved Blade Needle One Looper One Spreader Two Thread and Two Looper Three Thread Overseaming Machine Differential Feed Trimming Mechanism with Spring Pressed Lower Knife Automatic Lubricating System 39500 MC Light to medium duty two way comb...

Страница 5: ...ore than three quarters of a century CHANGING NEEDLES Release pressure on presser foot by turning presser foot release bushing AG Fig 1 or 1A and swing presser arm U out of position Turnhandwheel in operating direction until needle is at its lowest point of travel Using hexagonal socket wrench No 21388AU furnished with machine loosen needle clamp nut about 1 4 turn Again turn handwheel until needl...

Страница 6: ...ng Shield _ O Tension Discs P llTension Post Slot IITension Disc Felt j f1JFront Thread I JLower Looper Thread BJFabric Guard D Presser Fig 1 6 0 Presser Foot Release Bushing Top Cover Needle Thread Eyelet Upper Looper Thread Tube Assembly From the library of Superior Sewing Machine Supply LLC ...

Страница 7: ...IITension Disc Felt iTension Thread Guide f1JFront Thread Guide Upper Looper Thread Eyelet I JLower Looper Thread Eyelet DFrame Looper Thread Guide mPresser Arm 7 Cone Support Top Cover M Needle Thread Eyelet Upper Looper Thread Tube Assembly Upper Looper Lower Looper From the library of Superior Sewing Machine Supply LLC ...

Страница 8: ...el in operating direction until heel of lower looper V is all the way to the left then thread through both eyes from left to right Left eye of lower looper can be threaded easily if tweezers are in left hand TO THREAD THE UPPER LOOPER 505 STITCH ONLY Double end of thread and lead it through the left eyelet of front thread guide M Fig 1A Turn handwheel until point of upper looper W Fig 1A is all th...

Страница 9: ...in relation to degree and direction of stretch of material being sewn or type of operation Following stitch number feed eccentrics are available under No 39540 B 4 5 6 7 8 9 10 11 12 13 14 15 16 18 20 22 24 26 28 30 32 34 36 40 Only two eccentrics are supplied with each machine Additional eccentrics may be ordered separately To order an eccentric use No 39540 B with a minor number suffixed to indi...

Страница 10: ...out or turned around its shank Insert upper looper or spreader holder into shaft if not already in place Screw C Fig 7 on clamp collar holds upper looper or spreader holder in the shaft and allows holder to be rotated or ad justed laterally Fig 5 Fig 6 Preliminary Setting When the upper looper or spreader is at the right end of its stroke the upper looper or spreader holder should be set to positi...

Страница 11: ...D This pin raises or lowers the back end of feed bar The feed dogs should be set level at the time the teeth first appear above throat plate Screw E locks feed tilting adjusting pin in place Now set the main and differential feed dog teeth 3 64 inch above the throat plate and chaining feed dog teeth flush with surface of throat plate SETTING THE LOWER KNIFE Replace lower knife holder assembly In r...

Страница 12: ...operating Fig 12 direction until key slot in eccentric is toward the front Using hooked eccentric extractor F supplied with machine reach behind eccen tries as shown and withdraw eccentrics It may be necessary to move handwheel back and forth slightly during extraction If eccentrics are unusually tight fitting in addition to removing nut C Fig 13 and washer D from shaft E it may be helpful to remo...

Страница 13: ... eyelet R Fig 1A about horizontal and all the way for ward in its slot Frame looper thread guide T should be set with its eyelet approximately 1 8 inch right of lower looper V heel eyelet when lower looper is at the left end of its stroke UPPER LOOPER THREAD CONTROL 505 STITCH With material under presser foot set upper looper thread eyelet N Fig 1A to rest on top of lowerlooperthread eyelet R and ...

Страница 14: ...end in looper thread pull off AF After this change increase looper thread tension as much as possible without distorting stitch CAUTION Looper thread must as before be slightly slack as spreader reaches its extreme left position or stitch will appear tight on top side SETTING THE HEMMING GUIDE SUPPORT BRACKET Make sure that lock screw A Fig 15 is loose then proceed as follows Assemble the hemming ...

Страница 15: ...At this point re tighten screw A Fig 15 securely Fig 15 Adjust the overhanging guide F Fig 15 so that the space between its guiding edge and the edge guide D corresponds with the thickness of the material to be hemmed Loosen set screw C Fig 16 and holding screw D now move the hinge block E to obtain the proper distance be tween the edge guide and the overhanging guide Re tighten screws C and D Rem...

Страница 16: ...I 16 l 16 From the library of Superior Sewing Machine Supply LLC ...

Страница 17: ...01 AS 22657 D 12 39501 K 22513 39532 D 39582 AR 39582 H 39582 J Amt Description Req Looper Thread Tension Spring for 503 stitch 1 Looper Thread Tension Spring for 505 stitch 2 Needle Thread Tension Spring 1 Presser Foot 1 Presser Foot Chain Shield 1 Screw for chain shield 1 Screw for stitch tongue 1 Hinge Spring 1 Stitch Tongue marked DV 1 Screw for chip guard 1 Chip Guard 1 Chaining Feed Dog mark...

Страница 18: ...42 18 36 37 t 38 From the library of Superior Sewing Machine Supply LLC ...

Страница 19: ...e Guard front 1 Screw6 for needle guard 2 Throat Plate Support Block 1 Screw6 for lower knife holder 1 Screw6 for hemming guide assembly 1 Hemming Guide Assembly 1 Holding Spring 1 Sleeve for edge guide 1 Screw for edge guide 1 Edge Guide 1 Screw for hemming guide stop 1 Hemming Guide Stop 1 Hinge Block 1 Set Screw for No 22729 A 1 Stop Screw6 for overhanging guide hinge block 2 Hemmer Guide End P...

Страница 20: ...ur needs promptly and efficiently Whatever your loca tion there is a Union Special Representative to serve you Check with him today ATLANTA GA MONTREAL CANADA BOSTON MASS TORONTO CANADA CHICAGO ILL BRUSSELS BELGIUM DALLAS TEXAS LEICESTER ENGLAND LOS ANGELES CAL LONDON ENGLAND NEW YORK N Y PARIS FRANCE PHILADELPHIA PA STUnGART GERMANY Representatives and distributors in all Important industrial cit...

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