UnionSpecial 266 Instructions For Adjusting And Operating Download Page 1

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From the library of: Superior Sewing Machine & Supply LLC

Summary of Contents for 266

Page 1: ...LES 51300KK 51300 KL CATALOG N0 266 INDUSTRIAL SEWING LEWIS COLUMBIA MACHINES CLASS 51300 STREAMLINED DOUBLE LOCKED STITCH MACHINES WITH THREAD UNDERTRIMMER CHICAGO From the library of Superior Sewing Machine Supply LLC ...

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

Page 3: ...PERATING LIST OF PARTS CLASS 51300 Streamlined Lockstitch Styles 51300 KK 51300 KL First Edition Copyright 1970 by Union Special Machine Co Rights Reserved in All Countries MACHINE COMPANY INDUSTRIAL SEWING MACHINES CHICAGO Jp nuary 1970 From the library of Superior Sewing Machine Supply LLC ...

Page 4: ... From the library of Superior Sewing Machine Supply LLC ...

Page 5: ...at the back of this book For clarity certain51300 CC CD parts are showninphantomto help locatethe 51300 KK and KL parts NOTE When ordering repair parts always use the part number listed in the second column Opposite the illustration page parts are identified by detail number part number description and amount required Adjusting and operating instructions for Styles 51300 KK and KL are similar to t...

Page 6: ...ystem to first red line of the oil sight gauge in front of the machine and oil all bearings Run machine slowly for a minute to allow the oil wicks to carry the oil to the bearings Then repeat the oiling and run the machine at higher speed Inspect oiling system for leaks Wipe up surplus oil particularly around the take up Oiling diagram No PL616 is available CAUTION Oil has been drained from the ma...

Page 7: ...eservoir must be filled before beginning to operate Oil is filled at spring cap A in top cover Oil level is checked at sight gauge B maintain oil level between lines on gauge Use a straight mineral oil with a Saybolt viscosity of 200 to 250 seconds at 100 Fahrenheit Excessive oil in the main reservoirmay be drained byremoving plug screw located directly helow the handwheel 5 From the library of Su...

Page 8: ...TION NUT HAS LEFT THREAD Place the feed crank stud B in the main shaft slot D and regulate screw C so that the pin E of the gauge fits into the hole F of the feed rocker shaft when the upper part of the segment of the rocker G is in its end position to the needle Tighten nut A Loosen screw H place distance gauge V in the segment of the rocker G and press the sliding block against the distance gaug...

Page 9: ... THREAD The distance from the main shaft head D to the head of the feed crank stud B should be 9l32inch Fig 3 As the movement of the feed rocker segment is limited by the bed make sure that the fre e space Q is not less than 1I32 inch Fig 2 For adjusting the sliding block turn handwheel until the top part of the segment G is in its end position to the needle Loosen screw H place a pin of 114 inch ...

Page 10: ...handwheel in operating direction until the pin in the looper rocker contacts the edge of the gauge plate and set the indicator so that the left end of the pointer rests against the top of the needle bar and the right end of the pointer rests at O Tighten set screw and note indicator reading Turn the handwheel in the reverse direction until the pin again contacts the plate If motions are in synchro...

Page 11: ...ve access plug screw in casting just to the right of the looper drive lever insert screw driver and loosen screws in the driven gear on the vertical shaft Set the needle bar at the bottom of the stroke and turn the vertical crank shaft by hand gripping the crank strap until the timing mark onthe face of the vertical crank check lines up with the timing mark on the top cover If the retainer gear dr...

Page 12: ... up when the point of the needle has entered the triangle deep enough The retaining finger controls the amount of slack thread in the system and must be set on the cast off plate so that it has clearance between the two discs of the take up and so that it releases the looper thread just after the eye of the needle comes up out of the material THREAD TENSION The looper thread tension should be abou...

Page 13: ...ighly polished ADJUSTING KLIPP IT MECHANISM With all of the electrical plug connections disconnected adjustments should be made in the following sequence ADJUSTMENT OF CUTTING SOLENOID STROKE I 1 I B c The length of stroke of the arma ture shaft A Fig 4 should be approximately 45I64 inch See Fig 4 Since the armature of the solenoid is designed to operate in one direction only when actuated its onl...

Page 14: ...ife swung in there should be approxi mately 012 inch clearance between the lower knife A Fig 7 looper retainer B and looper C If adjustment is necessary CAREFULLY BEND the knife carrier bracket at points H Fig 6 to suit H Fig 6 ADJUSTING KNIVES Fig 5 F r te To avoid pinching the needle thread when the lower knife A Fig 8 swings out the edge of the lower knife and the cut out on the looper thread r...

Page 15: ...pper knife A Fig 9A and loop retainer E Adjustment can be made by loosen ing screws F Fig 9 and moving stop G forward or rearward Care must be taken to also maintain 020 040 inch clearance between stop G and the correspond ing edge of the upper knife carrier H with the cutting solenoid in its resting position Retighten screws F The looper thread A Fig 10 must be clamped between the plate spring B ...

Page 16: ... after it has been severed CAUTION Observeto insure ample clear ance of the pull off hooks during the cutting operation ADJUSTING THREAD WIPER With the power lead removed from the thread wiper solenoid sew on a piece of fabric and sever threads Actuate the thread wiper A Fig 12 by hand observing that the needle thread must be deflected by the hook of the wiper coming in See Fig 12 and is caught by...

Page 17: ...d wiper lever A Fig 15 must be stop ped by stop B slightly be fore the armature of the solenoid stops This can be accomplished by loosening screw C reposition lever as required re tighten screw Reconnect power lead for thread wiper assembly 15 Fig 15 From the library of Superior Sewing Machine Supply LLC ...

Page 18: ...nd lower knife knife Lower knife and clearance Re adjust knives cut in looper thread retain ing spring not aligned pro perly Dull kirlfe Replace knives Upper and lower knives do Re adjust knives not overlap enough for proper shearing Machine does not start sew Thread tail too short thread Re adjust pull offs for suf ing after trimming pull offs set too high ficient needle thread and loop er thread...

Page 19: ...INSTRUCTIONS FOR QUICK NEEDLE POSITIONER 17 From the library of Superior Sewing Machine Supply LLC ...

Page 20: ... IE E ANOPLU6 1T NlV 77 IE FOUE HOLE E ECEPTIC E IN 77 IE CJll JtE RilNEL h RUN 77 IE SOL E NO O L Pl U6 THROV6H THE l Na c O O WO tWO A L 6 IN TO THE FEI U EPt LI6 l7iVM TI t AUX CONTROL PAN E L C RUN THE THRCC WIRe CABLE FRI lM TI t AUX CONT1 0L PAN L TO THE POWER INL T OFiJ J HOllJR 11 110 CONNECT THC t EAOS AS FOLLOWS YCLll 4f HzNL AO TO GROUND ACK L AO ro THC OWER INLET eLL C CAD TO THC Ft J ...

Page 21: ... STOP motor should be cleaned about every two years At thi s time the auxiliary drive should be removed cleaned and refilled with grease The auxil iary drive is belt driven off the main motor Correct alignment of the idler rollers must be maintained to avoid excesssive wear on the belt To replace the round belt remove the fan cover from the motor Loosen the two screws securing the belt guard and p...

Page 22: ...ne for closing the magnet coil circuit and one for closing the brake coil circuit IN CASE OF TROUBLE IN THE ELECTRICAL SYSTEM REPLACE THE CONT ROL PLATE SYNCHRONIZER ADJUSTMENTS Before the synchronizer is installed on the machine the following basic adjust ments should be made NOTE Bands are to be rotated in the operating direction of the machine Synchronizer Supporting Part 1 2 3 1 L 7 Needle dow...

Page 23: ...ee instruction END OF SEAM Treadle in rest starting position Micro switch Mh will be opened Relay 1 is kept energized by its self holding contact R12 and sr nchronizer ring needle down until the circuit i s broken by slipring needle down The flow of current through resistor and capacitor prevents de energizing of relay 1 when circuit is broken by ring needle down until about 200 RPM are reached Ma...

Page 24: ...y R2 is de energized and R23 changes Relay R3 is de energized delayed and closes R32 Wiper is actuated by current of capacitor K2 Way of current Capacitor K2 plug connection 8 R23 plug connection 7 contact R42 R32 plug connection 8 Wiper only can be actuated when relay R3 is de energized and relay R4 is still energized RAISING NEEDLE WITHOUT SEVERING By pressing the push button micro switch Mp is ...

Page 25: ...o R12 _ R23 o R 13 _ f r F1 U SGz L ______________________ _j Motor control panel F ZU R1 Relay 1 r han fir contact 1clruing contact fGDMing I IHtlladl Rz Rt lay cZch onr eontad 1tl ing contact I G Rrclifirr Z I 1 A Ty Tran3form r secondary 30V 3SVA SGa Oiod l y 103 I v Ocrtit Vorietor K1 Cooocitor f 1 3 3 UF r VI 11 1 Re i3tor 2 K Q qzsW lt z R si Jtor so A 23 From the library of Superior Sewing ...

Page 26: ...ol box FK 2U R3 Relay 1t hange o amtaC I 1ot HVtin J t onla ft tosing contact R Relay Cft ho 1911 ov contact closing contact fopening nmtat t I Gz Rt cififie B 3 10 ct O SGz DiOde CBy 103 J I Ot eLit Varistor Kz Capacitor 1000 AJF lf3 CCIIXle tor 200 UF If Capae1IOI 700 t F X s Crwacltor 1 uF H0 Capacitor 1 tJF K7 Co po cito 500 tF wv WJ sistor 63 Q w Resistor SO S2 W Resistor 82 Q W iator 3 k Q 2...

Page 27: ... after sewing Machine will not stop after Microswitch on right side of Adjust screw on right side of sewing and continues to clutch arm not adjusted clutch arm in a counterclock rotate at inching speed properly wise direction until machine stops and then make one more turn Microswitch defective Replace microswitch Unit does not trim but posi Microswitch in clutch arm Turn screw located in clutch t...

Page 28: ...INSTRUCTIONS FOR AMCO NEEDLE POSITIONER 26 From the library of Superior Sewing Machine Supply LLC ...

Page 29: ...ENO C A c KNEE SWI EL M Y T EAOUNE fSWI n H UVDCRTRIMM R E t CTRGWC PME f PA T BOOI T l l R 000 SCRI M Ac IN CS 436 r 1 L l r j n r 1 l_ I _ __ 1 l Il l I II I I H I 1 11 1 tr I L_____JJ I I I I I I jh I I I 1 LJ Cl f1 cifC1 l l TI IRE AD WIPE R OPTIONAl a 5Z700 157700 l x 5 0 Oo AI t Sc 0 St CV E WITH CLAMPs AS RCQVIRED SCREWS Pr J5I I BUT TON TREAOLINE SWITCH SC EWS JACK PLATE From the library o...

Page 30: ...he up band band 1 Tighten screw BAND 1 4 TO COINCIDE Fig 18 4 CAUTION Remove cutter solenoid plug from power pack when setting the synchronizer for correct up and down position Clamp synchronizer cord to table board and fasten synchronizer assembly to handwheel in such a way that with the treadle heeled the needle bar stops at the top of the stroke The first position needle down should position th...

Page 31: ...op on right end of motor until clutch is engaged as described above Tighten lock screw E CAUTION Clutch must not engage when clutch arm switch is closed or auxiliary motor running one click must be heard before clutch is engaged TREADLINE SWITCH ADJUSTING To adjust the length of the pitman rod A Fig 20 loosen the two Allen set screws in the back panel If more adjustment is necessary the cover must...

Page 32: ...on while heeling back on the treadle will position the needle up without actuating the knife mechanism INSTALLATION OF INCHING SWITCH When installing inching switch M 6665 be sure to remove jumper wire A Fig 21 located between pin 2 and pin 3 on socket B before connecting the inch ing switch plug or it will not function properly Should the inching switch be removed at a later date the jumper wire ...

Page 33: ...contacts 5 and 6 of Relay 3 to the synchronizer down band to the common band and coil of Relay 1 and Relay 6 When Relay 1 is energized the green section of the control circuit Fig 23 is completed through contacts 5 and 4 of Relay 1 therefore energizing Relay 2 As Relay 2 is energized the auxiliary motor circuit supplying 220 VDC to the auxiliary positioning motor indicated in yellow Fig 23 is comp...

Page 34: ...JW 3 M4 k IN R Tr 1 2 4V GR 3tJ JHA s z u 4 2 J I L I 4 ARMATURE s 6 I 6 r __ RE L c _ _ 6 r o _j4 o f 4 0 FUSE 30V WI IT 24 V GRAY Z4 I I I 2 I Ill t I t 2 I s 11 l 41 1mf i t__d_J_J t1__ Jd ___4 il J pm I I I I I I I I L___ _ 01 11 1 50 v 100012 LEGEND DIOIJE t DIPACtTOR H REStSTOR I RELAY I 5 SWITC I S R AY I I 1 I Wt t f I S MT y L I OTE _j rHE t CitMS VS D IN THE SCN 4f 1TI Dt ANT NEt C SSAIP...

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Page 36: ... 12 5 e e 7 11 1 6 t4it5ii J i A A A A I f I t 1 I l 4 _ u Y 00_ _ f 1 k J bd 1 GENtJ I 12 41 rr 1 4 t 330 2 2 4 DIODE l f 1 C U r 1 1 __ 8 I DlPActroR H 1 II W 31 1 3 I RESISTOR I l_ rJ I O f b Z J 1_ _ 7 I I i tso v o I t f Ay I l 1 1 1 1 __ I 1 sw1r C I S I I eOR J_ 9 1 9 r c 1 PRINTED Clllr UIT 9 r I R AY zon s 6j _ __ L _ s C fl7lJ 8tWf J J I_ I I J I I 1 3 7S 13 670 S I FUJ6 I j ft r 1 a71 1...

Page 37: ... 30VWIIIT 24 I d_J 5 1 6 6 4 ARMATURI 1 3 011 c R AY ZA I 6 1 4 L 5 r 4 J z 7 l li 1 v RJS l f 2 8 tiRELl 5 14119 6 SOI ENOilJ l l 3 i Ct T1ER I I _I 4 SOLEN JIO 2 A 41 9A lOA 6 12 5 8 18 7_ II 16 14__ 5_ r t t t t t t t 1 0 1 r L_jbd I I I I I I t etJ 2 I I L ____ OM 1 50 v LEGEND 5 30f2 2 4 6 I DIODE 1 1 0ll l IC 11 li ESISTOR V 1 r 1 7 I I 10 1 I 1 A CLAY I 6 SINtT C 1 5 PRINTED CIKCUIT 9 r S C...

Page 38: ...h stops the positioning motor While the machine is rotating to the second position up position band 4 on the synchronizer is contacted This completes the cutting control circuit through the synchronizer brushes 1 and 4 indicated in green Fig 25 supplying 24 VDC to coil of Relay 4 As the coil of Relay 4 is energized the power circuit for supply ing 30 VDC to the cutting solenoid yellow line Fig 25 ...

Page 39: ...ded in series with the relay coil blue circuit Fig 24 This resistor re sults in a decreased current flow restricted After the machine has positioned down and synchronizer brush 2 has contacted the black insulation barrier Relay 6 is de energized closing the blue circuit of Relay 3 Fig 24 If the treadline switch is now closed the machine will position up and trim Fig 26 37 From the library of Super...

Page 40: ...Tight fiber gear or broken Take fiber gear out of bell teeth on fiber gear housing and remove excess ive stock from hub Bad relays Check relays Nos 1 2 Fig 26 with tester Diodes shorted out Replace diodes 220 V A C circuit Unit positions up in second The treadle switch is not The unit will position down the position but does not opening first time after the power is position down turned off and th...

Page 41: ...ing the positioner to only raise the needle at the end of the operation This will greatly prolong life and minimize maintenance Unit blows fuse after posi Lead rubbing in armature Isolate from armature tioning one time not when fuse is first put in Brush holders brush against Remove end cap of auxiliary armature motor and relocate brush hold er Bad relays Check with tester and insulate tie bolt Ch...

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

Page 43: ...PICTURES AND DESCRIPTION OF PARTS FOR MACHINES WITH II KLIPP IT II 41 From the library of Superior Sewing Machine Supply LLC ...

Page 44: ...26 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 42 From the library of Superior Sewing Machine Supply LLC ...

Page 45: ... KE G 660 210 G 51372 KE G 51337 KE 22839 G 51351 S G 51280 A 604 G 51351 EA Description Amt Req Hexagonal stop plate 1 Washer 1 Washer 1 Nut 1 Screw 2 Stop _ 1 Screw 1 Lower Knife 1 Spring 1 Upper Knife Carrier 1 Lower Knife Carrier 1 Screw 2 Upper Knife 1 Screw 3 S ounter Part 1 Plate Spring 1 Nut 1 Connecting Part 1 Locking Ring 1 Support Plate 1 Connecting Rod 1 ScreW 1 Loop Retainer 1 Throat ...

Page 46: ... 1 2 3 4 5 6 7 8 9 10 11 12 13 14 1 5 16 17 18 19 20 21 2 2 23 2 4 25 26 27 28 2 9 30 31 3 2 From the library of Superior Sewing Machine Supply LLC ...

Page 47: ...43 99650 22849 A 99649 Bescription Amt Req Thread Wiper Guide upper 1 Cable 1 Screw 1 Screw 1 Cable Holder 3 Screw 1 Nut 1 Nut for Rotary Solenoid 5 40 NC 2A 1 Thrust Collar 1 Spring 1 Nut 1 Screw 1 Lever 1 Screw 1 Ball 1 Screw 1 Thread Guide 1 Screw 1 Screw 1 Bracket 1 Washer 1 Thread Wiper Guide lower 1 Thread Wiper Wire 1 Nut 2 Isulating Tube 1 Terminal 1 Screw 1 Washer 1 Rotating Solenoid 1 Mo...

Page 48: ...46 From the library of Superior Sewing Machine Supply LLC ...

Page 49: ... 90 99615 99621 25 s 22734 A 96150 998 304 Description Amt Req Nut M 8 1 Connecting 1 Presser Spring 1 Washer 1 Retaining Ring 1 Shaft 1 Retaining Ring 2 Span Screw 1 Nut 1 Bushing 3 Rock Shaft Connecting 1 Solenoid Harness 1 Solenoid 1 Screw 3 Base 1 Cable Holder 1 Cable Holder 1 Screw 1 Screw 1 Washer 1 Lever 1 Screw 1 Screw 1 Washer 1 Terminal 1 x These parts are not included in No G 21233 BL 4...

Page 50: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 48 From the library of Superior Sewing Machine Supply LLC ...

Page 51: ...5 18 668 28 19 96826 20 96711 THREAD TENSION PARTS Description Amt Req Tension Thread Eyelet 1 Collar 1 Screw 2 Guide 1 Screw 2 Tension Post Support 1 Looper Thread Guard 1 Screw 1 Eccentric 1 Screw 1 Screw 2 Tension Release and Lifter 1 Tension Disc Separator 1 Screw 2 Thread Pull of Hook 2 Pull offRod 1 Eyelet 2 Locking Ring 2 Pin 1 Spring 1 49 From the library of Superior Sewing Machine Supply ...

Page 52: ...50 From the library of Superior Sewing Machine Supply LLC ...

Page 53: ...9620 99296 22570 52782 c 99654 92 A 99654 31121 A 22894 G 660 202 61321 J 22574 61321 L Description Amt Req Belt Guard 1 Cable Holder 1 Screw 4 Screw 2 Screw 1 Lever 1 Screw 1 Screw 1 Screw 1 Cable Holder 1 Screw 1 Cable Holder 1 Pulley Hub 1 Screw 2 Seal Ring 1 Handwheel 1 Screw 3 Washer 1 51 From the library of Superior Sewing Machine Supply LLC ...

Page 54: ... 51292 KE 47 G 5 1335 KE 4 7 G 5 1337 KE 41 G 51346 KE 4 7 G 51349 KE 41 G 51350 KE 41 G51351S 41 G 51351 EA 41 G 51351 KE 41 G 51352 KE 41 G 51358 KA 43 G 5 1358 KE 4 7 G 51363 KD 41 G 5 1367 KE 41 G 51368 KE 41 G 5 1370 KE 41 G 513 71 KE 41 G 5 1372 KE 41 G 51373 KE 41 G 51374 KE 41 G 5 1392 KE 4 7 G 51892 KE 47 52782 c 49 G 5 2882 KE 45 55235 E 45 60078 z 43 52 Part No Page No 61321J 49 61321L ...

Page 55: ...From the library of Superior Sewing Machine Supply LLC ...

Page 56: ... 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 distrlltutors in all Important industrial citi...

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