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From the library of: Superior Sewing Machine & Supply LLC

Summary of Contents for 206RB

Page 1: ...D SEWING MACHINE CONSOUDATEDSEWINGMACHINE CORP 1115Broadway 2401 South Broadway New York N Y 10010 LosAngeles Calif 90007 212 929 6900 213 748 7137 COPYRIGHT 1978 CONSOLIDATED SEWING MACHINE CORPORATION 1 From the library of Superior Sewing Machine Supply LLC ...

Page 2: ...To remove the work 7 Regulating the thread tension 7 How to re set the safety clutch mechanism 8 Adjusting lift of the alternating presser foot 8 PARTS LIST AND ILLUSTRATIONS 9 17 MAINTENANCE PROCEDURES Setting the height of the needle bar 18 Timing the sewing hook 18 To remove and replace the sewing hook 18 Adjusting the thread release finger 19 Removing and adjusting tension and thread controlle...

Page 3: ...adily adjustable To assure durability and trouble free operation it is imperative that for the first several weeks of operation the maximvim speed is held to no more than 2700 RPM in order to allow the parts to become properly broken in F GW SETTING UP THE MACHINE Carefully unpack machine from packing case and make sure that all small parts and accessories are removed from packing material Wipe ma...

Page 4: ...rd against the pressure of the wire spring into the fork E in the thread controller Guide upward through thread guide F and from right to left through the eye at the tip of the take up lever G down through thread guide F again and then through H I and J from left to right through the eye of the needle See Fig 1 OILING Do not operate the machine even if only for testing unless it has been properly ...

Page 5: ...From the library of Superior Sewing Machine Supply LLC ...

Page 6: ...hands Turn thread counterclockwise If it will twist tighter it has a left twist If it mravels it has a right twist Fig 3 vV FIG 3 The bobbin can be wound with either left or right twist thread NEEDLE AND THREAD CHART Needle Size 12 13 14 16 18 20 22 24 INSERTING A NEW NEEDLE Thread Size 80 90 70 80 60 70 40 60 30 40 24 30 16 24 12 16 Cotton Turn handwheel toward you until needle has reached the hi...

Page 7: ...e center stud A Fig 5 of the bobbin case holder Release latch and press bobbin case onto center stud until the latch catches the undercut thereon with a click that can be heard Permit two to three inches of bobbin thread to hand down freely Be sure to push slide plate to the right before starting to sew REMOVAL OF BOBBIN CASE Turn handwheel toward you until needle reaches its highest point Open sl...

Page 8: ...bbins use light tension It is regulated by turning the knurled nut on the tension bracket at the rear of the bobbin winder Bobbin can be wound while the machine is sewing STITCH LENGTH ADJUSTMENT REVERSING LEVER The stitch length is changed by turning serrated nut M located behind stitch regulator lever xintil the desired stitch length is reached To reverse sewing action lift lever past O toward m...

Page 9: ...ension on the upper thread is greater than that on the lower thread it will lie straight along the upper surface of the material Fig 7B FIG 7B If the tension on the lower thread is greater than that on the upper thread the lower thread will lie straight along the underside of the material Fig 7C FIG 7C A Tension of the Upper Needle Threads Before adjusting the tension of the upper needle thread be...

Page 10: ...ft beneath the bed of the machine Open bed slide plate and rock hanchdieel back and forth to remove any foreign matter which may have lodged itself in the hook Do not use any sharp edged tools etc lest the hook be damaged ADJUST ING LIFT OF THE ALTERNATING PRESSER FEET The thickness of the material sewn should control the height of the lift of the alternating presser feet The lift should be just e...

Page 11: ...pring 17 10690 1 Thread controller spring stop 18 10650 1 Screw for 10690 19 10709 1 Spool pin 20 15062 1 Thread retainer 21 10675 1 Tension bracket 22 10789 1 Tension stud 23 15055 1 Screw for 10675 24 10791 1 Tension bracket pin 25 10793 1 Tension release plunger 26 10694 1 Thread controller disc 27 10695 1 Thread controller disc screw 28 10697 Tension thumb nut 29 10691 Thread disc 30 10692 1 T...

Page 12: ...NSION GUIDES NEEDLE PLAICE i li cv iii j iljigiilj m illiiiilSil 1i V M M t 2i t lit IjI u idiii i f l ppp ijf t t ill J T t lliil 4 J mmih U Wiiiiii iiiiili iiiii i i i From the library of Superior Sewing Machine Supply LLC ...

Page 13: ...22 10771 1 Lifting eccentric 23 10566 Screw for 10771 24 18008 1 Arm shaft bushing middle 25 10571 1 Set screw for 18008 26 10725 1 Oiling felt for 18008 27 17014 1 Arm shaft bushing collar 28 10766 Set screw for 17014 29 17011 1 Arm shaft 30 18020 1 Feed lifting cam 31 10766 Set screw for 18020 32 18009 1 Feed driving eccentric 33 10766 Set screw for 18009 34 17040 1 Feed fork collar 35 17041 1 O...

Page 14: ... v v XXX v v v v X XvTvX Xv x r x xx XlXXvX CviCC X iX Xv V V V V Y VA v v v v v XvX X V V V V XX v j vv v V vXv XXv x V X xxxx U M vx VAV V f i WVX x xxxxx 1 X AV vX V vX M From the library of Superior Sewing Machine Supply LLC ...

Page 15: ...772 1 Lifting eccentric connection 21 10773 1 Needle bearing for 10772 22 10525 1 Screw for 10536 23 20103 1 Needle bar rock frame hinged stud 24 10536 1 Needle bar rock frame 25 10532 1 Screw for 10531 26 10531 1 Needle bar connecting stud 27 10726 1 Oil wick for 10531 28 10560 Needle bar rock frame position bracket 29 10561 1 Screw for 10560 30 10530 1 Needle bar 31 10534 1 Screw for 10533 32 10...

Page 16: ...ING MBjCHAiN jSM M M plO mii iiiiiW liliilf S t liiiiiiiiii fiP h i rJtN m is iiiiiM ill 11 i ili V M i n s M S I li mm m I 32 ii il s JU lil 42 42 ii lli li r jVf iv ii r b From the library of Superior Sewing Machine Supply LLC ...

Page 17: ...Presser bar lifting bracket Tension release spring Tension release slide Presser bar lifter Hinge screw for 10659 Presser bar Presser bar spring bracket Pinch screw for 10549 Set screw for 10531 Presser bar bushing lower Lifting presser foot Pinch screw for 10796 Screw for 18080 Knee lifter lifting lever Presser bar lifting bracket guide screw Presser bar spring flat Presser bar spring flat regula...

Page 18: ...PUTE NO 4 PRESSER iBAR iililllpiiii r JS From the library of Superior Sewing Machine Supply LLC ...

Page 19: ... 18067 Feed rock shaft Feed rock shaft bushing rear Set screw for 18063 Feed base Feed dog screw Feed dog Feed lifting rock shaft front bell crank Set screv7 for 18075 Screw for feed lifting rock shaft bell crank Feed lifting rock shaft slide block Pin for 18075 Screw for 18010 Nut big for 18010 Nut small for 18010 Feed forked connection Nut for 18010 Hinge screw for 18010 Feed connecting link Fee...

Page 20: ... P lkTt NO 5 LOHEn FEEDING MEXIHANISM T 8 0 i i5H t From the library of Superior Sewing Machine Supply LLC ...

Page 21: ...17 1 Feed adjusting pipe 11 8158 1 Bearing ball 1 8 12 8157 1 Spring for 8158 13 13416 1 Feed adjusting Icnurling tool 14 18027 1 Reverse stitch lever 15 18028 Screw small for 18027 16 17055 1 Feed regulating support stud 17 17057 1 Washer for 17055 18 18023 1 Feed regulating base 19 1368 1 Supporting stud pushing screw 20 17056 1 Screw for 18023 21 50174 2 Pin for 18023 22 12361 4 Screw for 18023...

Page 22: ...PLATE NO 6 FEEX REGULATOR WM r SOS ilr m t iiiis I V t wri m JM Illll From the library of Superior Sewing Machine Supply LLC ...

Page 23: ...24 18038 1 Hook shaft bushing rear 25 8009 1 Set screw for 18038 26 18047 1 Safety clutch left 27 17019 Set screw for 18047 28 18056 1 Lower shaft 29 18046 1 Oil wick for 18047 30 18051 1 Screw for 18050 31 18041 1 Safety clutch right 32 18049 1 Steel ball 33 18050 1 Spring for 18041 34 17019 Set screw for 18041 35 18057 1 Lower shaft bushing 36 8009 Set screw for 18057 37 17028 1 Lower shaft gear...

Page 24: ...lili PLATE NO 7 ARM SHAFT UPRIGHT LOWER SHAFT mm i 42 mm From the library of Superior Sewing Machine Supply LLC ...

Page 25: ... for 2056 11 15571 1 Wrench 2 5inm 12 11969 1 Wrench 4 0inm 13 10748 1 Double head wrench 14 18084 1 Spanner 6x7iran 15 8118 1 Screw driver large 16 8120 1 Screw driver middle 17 8121 1 Screw driver small 18 6052 2 Screw for 6051 19 6051 2 Bed hinge connection 20 6055 4 Nail for 6054 21 6054 1 Oil pan 22 10734 1 Bobbin winder complete 23 10780 1 Thread stand 24 18038 1 Knee lifter complete 25 BGl ...

Page 26: ...Plate No o ACCESSORIES x I i From the library of Superior Sewing Machine Supply LLC ...

Page 27: ...riction disc holder 33 HS 3 33 Screw for the above 34 HS 3 34 1 Clutch actuating lever 35 HS 3 35 1 Lever hinge pin 36 HS 3 36 1 Screw for lever spring 37 HS 3 37 1 Wing nut for lever spring adjust 38 HS 3 38 1 Lever spring holder 39 HS 3 39 1 Lever spring 40 HS 3 40 1 Spring supporting tube 41 HS 3 41 Bolt for clutch actuating sleeve 42 HS 3 42 Nut for the above 43 HS 3 43 1 Belt tightener 44 HS ...

Page 28: ...PLATE NO 9 CLUTCH MOTOR 0 B From the library of Superior Sewing Machine Supply LLC ...

Page 29: ...le bar to rise about 3 32 while on its upward stroke With needle bar in this position the point of the sewing hook should be at the center of the needle fig 9 If the sewing hook should not be timed correctly loosen the three set screws in the clutch hub Z fig 10 Turn the hook shaft to align the hook point with the center of the needle as shown in fig 9 Re tighten the three set screws and re check ...

Page 30: ...e top Replace the hook retainer K watching that the tab enters the notch in the bobbin case holder Fasten hook retainer to the underside of the bed with screw J Replace the needle and time the sewing hook as described in the preceding paragraph B Re install bobbin case throat plate slide plate and thread release finger FIG 10 Adjusting the Thread Release Finger The thread release finger F fig 10 f...

Page 31: ...ust be sufficient to prevent momentary contact between tab and notch so that there is an instant of total clearance between these two components Removing and Adjusting Tension and Thread Controller i Normal Operation The tension and thread controller is composed of two tension controlling components one assembled on the tension stud U fig 11 and the other assembled on the thread controller V fig 1...

Page 32: ...The tension on the spring may be adjusted by loosening the screw X fig 11 and rotating the stud 25 fig 12 to the right or left as necessary to put tension on the spring 16 fig 12 The amount of the tension will vary with kind of thread being used 9 4 FIG 12 F To Raise or Lower the Feed Dog REFER TO PLATE 1 OF PARTS LIST When at its highest position the feed dog should rise above the throat needle p...

Page 33: ... set screws ii The right eccentric controls the forward or feeding motion of the feed dog This motion is timed cor rectly when the feeding movement has stopped and the feed dog drops below the surrounding surface as the needle is about to leave it completely To adjust slightly loosen the screws of eccentric and care fully rotate it on arm shaft to obtain desired setting Tighten set screws and re c...

Page 34: ...ACCESS PORT From the library of Superior Sewing Machine Supply LLC ...

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