UnionSpecial 43500 Series 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 43500 Series

Page 1: ...500L CATALOG No 134M Second Edition C 0 L U M 8 I A CLASS 43500 HI STYLED HIGH SPEED SINGLE CURVED NEEDLE PLAIN FEED MACHINES INDUSTRIAL SEWING MACHINES UNION SPECIAL CORPORATION C H ICAGO From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...PARTS CLASS 43500 Styles 43500 D 43500 F 43500L Second Edition 1969 By Union Special Corporation Rights Reserved in All Countries UNION SPECIAL CORPORATION INDUSTRIAL SEWING MACHINES CHICAGO Printed in U S A 2 March 1976 From the library of Superior Sewing Machine Supply LLC ...

Page 3: ...ecification 401 SSa 1 Stitch range 8 to 14 per inch Cam adjusted feed Maximum recommended speed 6500 R P M 43500 L For side seaming trousers etc with yielding section on left side of presser foot Seam specification 401 SSa 1 Stitch range 8 to 14 per inch Cam adjusted feed Maximum recommended speed 6500 R P M OILING CAUTION Oil was drained from machine when shipped so reservoir must be filled befor...

Page 4: ...threading are shown in the above diagram Thread machine as indicated It will simplify the threading to follow the recommended sequence of threading the looper first and the needle second No oiling is necessary other than keeping the red bulb between the lines on the oil gauge on the front of the machine Machine is filled with oil at the spring cap in top cover A straight mineral oil of aSaybolt vi...

Page 5: ...igh position and with the flat to the left insert the needle in the needle holder until it bottoms against the needle thread eyelet D Tighten screw C return presser arm B to position and re lock presser foot release bushing A PRESSER FOOT PRESSURE Fig 2 Sufficient presser foot pressure to feed work uniformly should be maintained Should it be necessary to increase or decrease amount of pressure on ...

Page 6: ...f the looper is 5 64 inch to the right of the centerline of the needle when the looper is at its extreme right posi tion Fig 5 The point of the looper must barely clear the back of the needle as it passes to the left This can be accomplished by loosening screw C Fig 5 reposition looper holder as required and retighten screw The needle must also clear the backside of the looper on the downstroke of...

Page 7: ...t Beveled edge of feed eccentric spacer B should also be to the left side so the undercut on the spacer will be over the hub on the feed eccen tric Be careful not to damage shaft or key Assem ble washer C and tighten nut D securely To change feed eccentrics remove nut D washer C and feed eccentric spacer B Turn handwheel in operating direction until key slot in eccentric is toward the front With a...

Page 8: ...thumbscrew B and move needle thread eyelet A to a lower number towardsletter T Movingeyeletinthereversedirection towardsletter L will produce a loose needle thread loop Moving the eyelet towards the T position tends to draw more thread on the up stroke of the needle travel and moving the eyelet towards the L positionwill tend to draw more thread on the downstroke of the needle travel The looper th...

Page 9: ...nably well pulled up stitch and still not pucker the material CLOTH PLATE REMOVAL CAUTION When removing the cloth plate A Fig 11 loosen the cloth plate stud locking screw B and lift upcloth plate with the cloth plate stud C and cloth plate screw D assembled In assembly the cloth plate screw and the cloth plate stud are tightened to the point of removing all play and yet turn in the cloth plate The...

Page 10: ...10 From the library of Superior Sewing Machine Supply LLC ...

Page 11: ...in 1 Hinge Bracket 1 Spring for oil filler cover 1 Oil Filler Cover 1 Screw for top cover 8 Top Cover Gasket 1 Dowel Pin for top cover 2 Magnetic Oil Drain Plug 1 Oil Collector Plate 1 Screw for oil collector plate 1 Screw for supplementary cloth plate 1 Supplementary Cloth Plate 1 Looper Threa d Take up Eyelet 1 Screw for looper thread take up eyelet 1 Cloth Plate Stud 1 Screw for cloth plate stu...

Page 12: ...A NEEDLE DRIVE BEARING B PIVOT SHAFT BEARING C LOOPER DRIVE B EARING 12 From the library of Superior Sewing Machine Supply LLC ...

Page 13: ... Crankshaft Bushing inner left 1 Looper Drive Shaft Bushing left 1 Oil Wick and Spring 1 Crankshaft Bearing inner right 1 O Ring for crankshaft bearing inner right 1 Screw for fan collar 2 Chamber Cooling Fan Collar 1 Char nber Cooling Fan 1 ThrustWasher 1 Crankshaft Ball Bearing Housing 1 Crankshaft Ball Bearing 1 Ball Bearing Stop Collar 1 Spacer Collar 1 Crankshaft Ball Bearing Retainer Plate 1...

Page 14: ...14 42 43 From the library of Superior Sewing Machine Supply LLC ...

Page 15: ...justing Screw 1 Feed Bar Driving Stud 1 Feed Lift Block 1 Nut for feed dog holder 1 Stabilizing Washer for feed dog holder 1 Clamp Washer for rear needle guard 1 Needle Guard rear 1 Tilting Screw for feed dog holder 1 Feed Dog Holder 1 Main Feed Driving Eccentric for Styles 43500 Fand L 1 Main Feed Driving Eccentric for Style 43500 D 1 Feed Bar Driving Connection 1 Feed Eccentric Spacer 1 Washer f...

Page 16: ...16 From the library of Superior Sewing Machine Supply LLC ...

Page 17: ... 1 Looper Avoid Link Pin 1 Thrust Collar for pivot shaft 1 Screw for thrust collar 2 Looper Avoid Pivot Shaft 1 Washer for pivot shaft 1 Pivot Shaft Drive Lever 1 Locking Stud for driving lever 1 Washer for driving lever 1 Nut for driving lever 1 Looper Avoid Connecting Rod 1 Screw for connecting rod 2 Looper Avoid Link 1 Set Screw for bushing and cam guide 1 Spot Screw for bushing and ca m guide ...

Page 18: ...18 From the library of Superior Sewing Machine Supply LLC ...

Page 19: ...termediate Lever 1 Foot Lifter Lever Spring 1 Foot Lifter Lever 1 Presser Foot Assembly for Style 43500 L 1 Screw for spring 1 Spring for yielding section 1 Spring for chaining section 2 PresserFootShank 1 Hinge Screw for presser foot bottom 1 Presser Foot Bottom 1 Chaining Section 1 Yielding Section 1 Screw for foot lifter lever 1 Presser Foot Assembly for Style 43500 F 1 PresserFootShank 1 Hinge...

Page 20: ...20 b 29 From the library of Superior Sewing Machine Supply LLC ...

Page 21: ... 1 Nut 4 Spool Seat Disc 2 Washer 2 Spool Pin 2 Pad for thread cone 2 Thread Stand Eyelet Support 1 Screw 1 Thread Stand Rod 1 Thread Stand Spool Seat Support 1 Screw 2 Nut 1 Washer 1 Lead Eyelet Ball Split Socket 2 Thread Stand Base 1 Screw 1 Looper Gauge 5 64 inch 1 Thread Tweezers 1 S 11 Hook for treadle chain 2 Foot Lifter Treadle Chain 34 inches long 1 Wrench curved double end 9 32 inch openi...

Page 22: ... w 21 21388 AU 21 22 50 3 F 17 22513 B 11 22541 11 22541 A 13 22 542 17 22562A 11 17 22564 D 17 22565C 17 22565 F 11 15 22565 L 17 225 66 B 19 22569 11 13 15 22569 B 15 22569 D 11 22571 E 11 22585 17 22585 B 19 22586 R 11 22 587 E 17 22587 M 13 22596 E 15 22596 H 13 22597 E 19 22651 CD 4 21 22651 CD 5 21 22653 B 12 17 22 653 D 4 11 22653 J 4 17 22 Part No Page No 22656 A 6 17 22657 D 12 11 22729 D...

Page 23: ...5 A 13 39582 F 11 39644 R 5 17 4 35 56 19 39582 v 11 39644 s 13 43556 A 19 39582 w 11 39644 u 17 43557 11 39582 y 11 39644 v 17 43564 11 39582 AE 11 39644 w 17 43568 15 39582 AF 11 39644 X 17 43568 A 11 39582 AG 11 39673 17 43568 B 11 39582 AH 11 39690 13 43578 17 39582 XD 11 39690 A 13 43578 A 17 39590 13 39690 B 13 43578 B 17 39590 G 13 39691 13 43578 c 17 39590 H 13 39855 19 43579 11 39590 J 13...

Page 24: ...omptly 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 ancl cllatrlbutora In all Important Industrial cities throu...

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