From the library of: Superior Sewing Machine & Supply LLC
Page 1: ...The L Selection 333SK HIGH SPEED LOCKSTITCH SEWING MACHINE WITH EDGE CUTTER Service manual Parts catalog From the library of Superior Sewing Machine Supply LLC ...
Page 2: ...ift 4 Needle bar stroke 5 Take up lever stroke 6 Knitc stroke 5mm 7 Needle 8 Application 9 Reverse teed device 2 MACHINE INSTALLATION 4SOOrpm 0 Smm Smm by hand 13mm by knee 31 8mm 58mm DBxS 14 light to medium heavy weight material available I Put the rubber cushions to the tbur corners of the oil reservoir then set the oil reservoir to the table 2 Insert the hinge to the hole tor the hinge on the ...
Page 3: ...utside edge of Belt C keeping a sufficient clearance between Bobbin Winder pulley and Belt to ensure they will keep in touch when Bobbin Winder Stop Latch Lever A is pressed down and rotate together when running the n1achine Be sure to parallel the Bobbin Winder Pulley with Belt Slot E on the table and tighten Wood Screws D then From the library of Superior Sewing Machine Supply LLC ...
Page 4: ...NECl CLUTCH LEVER WITH PEDAL X I The optinuun tile angle of Pedal is approximately 15 deg 2 Adjust Clutch Cover so that Clutch lever and Draw bar run in line 3 The balance wheel should rotate counter clock wise when vie ved fro1n the outside of Balance wheel The direction of 1notor pulley rotation can be reversed by reversing turning over 180 deg the power plug of the anotor 4 Adjust the tension o...
Page 5: ...e reservoir with fresh oil 7 RUN IN OPERATION c ______ 4 Run in operation is required for a new sewing anachine or a sewing machine lell out of operation tor a considerable length of time I Remove Rubber Plugs A on the top of the ann and replenish sufticient amount ofoil 2 Lift Presser Foot B 3 Run the machine at a lo v speed 2000 2500span to check oil distributing condition through Oil Check Wind...
Page 6: ... l ressua c adjusllnent Pressure of presser ft lt as to he adjusted according to the thil kncss or materials to be sewn Loosen Lock Nut A tirst for heavy anaterials tun1 the pressure regulating thuanb screw as shown in Fig a to increase the pressure while tor light anaterials tun1 the pressure regulating thumb screw as shown in Fig b to decrease the pressure Then tighten I ock Nut A 2 llcigbt adju...
Page 7: ...the bobbin thread is drawn up Put the ends of needle thread and bobbin thread frontward under presser foot I To adjust bobbin thread tension turn Tension Spring Regulating Screw A of Dobbin case clockwise f n more tension or turn the screw counter clockwise for less tension 2 The needle thread tension should be adjusted with reference to the bobbin thread tension and it can be adjusted by setting ...
Page 8: ...sure the part A of the knite is 0 0 Smm lower than the surface of the needle plate Cutting width change I The cutting width can be varied by changing needle plate assy When changing loosen Set Screw I and pull out cutting knife parallely to ensure a good cutting quality 2 Due to the change in the size of needle plate assy you nuast change the position of the cutting knife accordingly Loosen Screw ...
Page 9: ...e the needle thread tension or tighten the tension spring regulating screw of bohhin case to increase the bobbin thread tension 2 In case of needle thread tension is too weak or bobbin thread tension is too strong turn the thumb nut clockwise to increase the needle thread tension or loosen the tension spring regul ting screw of bobbin case to decrease the bobbin thread tension 3 In case of the sti...
Page 10: ...NEL GUIDING I PLATE PE PLATE WIDTH 3 32 3 32 3 32 1 8 1 8 1 8 1 H l 8 2 4mm I M 0 r ____ t i 8 i I 8 1 8 1 8 1 8 1 H 1 H I 1 8 1 3 2mm I I I 4mm 5 32 1 8 1 8 1 8 1 8 1 H J 8 4 Hmm 3 16 1 8 I g 1 H 1 8 1 8 1 8 6 4mm 1 4 1 4 1 4 1 8 114 I 4 1 8 9 5mm 3 8 3 8 3 8 1 8 3 8 3 8 1 8 9 From the library of Superior Sewing Machine Supply LLC ...
Page 11: ...A ARM BED AND ITS ACCESSORIES n 49 10 From the library of Superior Sewing Machine Supply LLC ...
Page 12: ...de 17 H57AOI7 Stop ring 18 H57A018 Pre tension thread guide 19 H57A019 Rubber plug l 27 20 H57A020 Three hole thread guide 21 H57A021 Set screw 22 H57A022 Thread guide 23 H57A023 Screw 24 H57A024 Thread tension assy 25 H57A025 Thumb nut 26 H57A026 Stop disc 27 H57A027 Thread tension spring 28 1 157A028 Thread tension releasing disc 29 H57A029 Thread tension disc 30 H57A030 Thread tension stud 31 H...
Page 13: ...A046 Screw 2 47 H57A047 Leg 3 48 H57A048 Washer 2 49 H57A049 Chip guide plate 1 50 H57A050 Screw 2 51 H57A051 Chp plate 52 H57A052 Chip funnel 53 HS 053 Chip funnel plate 54 H57A054 Screw 2 55 H57A055 Screw 2 56 H57A056 Chip funnel cover I 57 H57A057 Spring for chip funnel cover 1 58 H57A058 Screw 2 59 H57A059 Rubber plug J 8 8 2 6 1157 060 Oil window 12 From the library of Superior Sewing Machine...
Page 14: ...__ w 23 14 13 I 1 11 10 49 53 lf 54 55 53 39 j o 2 llllool en 0 3 C J r z oil I c c From the library of Superior Sewing Machine Supply LLC ...
Page 15: ...8018 Rubber plug 19 H57B019 Needle bar bushing lower 20 H578020 Thread guide for needle bar bushing 21 H578021 Needle bar 22 H57B022 Thread guide for needle bar 23 H578023 Needle 24 H57B024 Needle clamp screw 25 H57B025 Guide tor slide block 26 H578026 Set screw 27 HS78027 Slide block 28 H578028 Arm shaft 29 H57B029 Rubber plug Cl 7 4x 10 30 H57B030 Collar tor arm shaft 31 HS7B031 Set screw 32 H57...
Page 16: ...Felt plug 47 H57B047 Seal ring 48 H57B048 Rubber ring 49 H57B049 Oil adjusting stud 50 H57B050 Vertical shaft 51 H57B051 Bevel gear for arm shaft 52 H57B052 Bevel gear for vertical shaft upper I 53 H57B053 Set screw 8 54 H57B054 Bevel gear for hook shaft 55 H57B055 Bevel gear for vertical shaft lower 56 H57B056 Vertical shaft bushing upper 51 H57B057 Vertical shaft bushing lower 58 1 1578058 Set s...
Page 17: ...30 0 47 48 16 0 r _ 2 C 2 0 0 z Ci 0 0 j z J From the library of Superior Sewing Machine Supply LLC ...
Page 18: ...14 H57C014 Plunger spring I 15 H57COI5 Guide plate 1 16 H57COI6 Screw I 17 H57COI7 Rotating hook complete I 18 H57COI8 Rotating hook positioner I 19 H57C019 Screw 1 20 1157l 02 Buhhin case I 21 H57C021 Bobbin I 22 H57C022 Crank for feed bar I 23 H57C023 Screw 2 24 H57C024 Washer I 25 H57C025 Eccentric shaft tor teed bar crank I 26 H57C026 Screw I 27 H57C027 Feed bar I 28 H57C028 Feed dog I 29 H57C...
Page 19: ...42 Bushing for teed lifting rock shaft 43 H57C043 Set screw 44 H57C044 Washer 45 H57C045 Collar tor feed lifting rock shaft 46 H57C046 Screw 2 47 H57C047 Feed lifting rock crank 48 H57C04H Screw 49 H57C049 Feed lifting rock shaft crank right 50 H57C050 Screw 2 51 H57C051 Hinge pin 18 From the library of Superior Sewing Machine Supply LLC ...
Page 20: ...TH REGULATING MECHANISM No Ref No Name 4 5 H57DOO I E type stop ring H57D002 l l57D003 Stih h regula1 ing link Feed regulating rocker pin H57D004 Feed regulating rocker 1 157 005 Sere 9 Quantity I From the library of Superior Sewing Machine Supply LLC ...
Page 21: ...in right 21 11571 021 Screw 22 H57D022 Stitch regulating crank 23 H57D023 Screw 14 H57l 0 24 Pm 15 H57D0 25 Stud pin left 26 It571 0 26 En ntric stud 7 11571 0 27 Scr 28 H57l 028 Screw bar 29 H571 029 Stitch dial 30 1157D030 Screw 31 H57l 031 0 ring 32 1 1571 032 Rubber plug 33 H57D033 Stop pin 2 34 H57D034 Spnng 35 H57l 035 Reverse teed lever 36 1157DH36 Short shaft 37 H57D037 0 ring 38 1157 038 ...
Page 22: ...E KNIFE CONTROL MECHANISM 13 E KNIFE CONTROL MECHANISM Quantit 1 157t Ool pcrating lever 1 n knife H57E002 Felt 21 From the library of Superior Sewing Machine Supply LLC ...
Page 23: ...crew 2 2 5 11571 02 5 Pm 26 1157H 26 Sprang 7 11 57H 27 E typc ring 2 28 H57E028 Lever tor knife 2Q H57E02Q Pin 30 H57E030 Guiding bushing 31 H57E031 Bushing for knife bar 32 H57F032 Knife bar 33 lf57E033 Screw 34 H57E034 Knite bar adaptor 3 5 H57HJ35 Connecting rod 36 H57E036 Needle bearing 37 U57E037 Eccentric cam 38 H57E038 Thrust plate 39 H57E03Q Pin 40 H57t 040 Guide mil 41 H57E041 Set screw ...
Page 24: ...23 j z 14 12 24 9 B _r J v 9 1 o _1 21 _ 13 8 P GJ s 16 7 1 t t i 6 IJ 1 10 2 _ 11 ff l J c _ 1 r i I I I 1 ____ 25 3 I 26 _ J 4 18 17 0 1 28 27 23 From the library of Superior Sewing Machine Supply LLC ...
Page 25: ...Hll2 Knee lifter lever nght 1 1 1157FOI3 Spnng 2 14 H57FOI4 Bolt for knee lifter lever 15 1157FO 15 Knee litter connecting rod 16 If57FO 16 Pin t r spring 17 1157HII7 Presser bar bushing IN 1157Hll X Presser har Jl 1157H J tJ Presser b tr litling hr lcket 21 11571 0 I Pres cr har guide 11571 0 2 Spring for presser bar 23 1 157F023 Lod nut 24 1157F0 4 Pressure regulating thumb screw 25 H57F0 5 Uppe...
Page 26: ...G LUBRICATION MECHANISM 25 From the library of Superior Sewing Machine Supply LLC ...
Page 27: ...0o Oil pump fitting plate 7 1157 i007 Oil adjusting plate 8 1157 j008 OiI pump screen assy I 9 1157ti009 St rew 3 10 H57 iOIO Oil pipe for hook shaft II H57GOII Oil braid tilting plate 12 U57G012 Screw 2 13 H57 iOI3 OiI pipe tor arm shaft 14 1157 1014 Oil return pipe 15 H57 i015 Felt pouch 16 H57 iOI6 P1p holder 26 From the library of Superior Sewing Machine Supply LLC ...
Page 28: ...00 0 00 r r u u 0 c 4 20 2 2 26 25 24 23 17 29 38 40 rP 1 30 lEJ 31 M From the library of Superior Sewing Machine Supply LLC ...
Page 29: ... 1016 Oiler 17 H57HOI7 Needle 18 H57HOI8 Screw driver short 19 H57HOI9 Screw driver medium 20 115711020 Rubber cushion small 2 21 H57tl021 Rubber cushion big 2 22 115711022 Thread spool stand 25 115711025 Washer 2 26 H57H026 Wood screw 2 27 H57H027 Screw driver long 28 H57H028 Knee lifter bell assy 29 H57H029 Bobbin winder assy 30 l t571W30 Oil container 32 1 15711032 Bdt cover assy 33 1 1571 1033...
