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Содержание GC20528 series

Страница 1: ...Customer Service Copy HIGHLEAD GC20528 series Twin Needle High Speed Split Needle Bar Lockstitch Sewing Machine Instruction Manual Parts Catalog SHANGHAI HUIGONG N0 3 SEWING MACHINE FACTORY...

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Страница 3: ...bin threads 8 10 Balance ofthread tension _ ____________________8 11 Needle thread tension 8 12 Adjustment ofpresser foot p essure 9 13 Timing between rotating hook motion and needle motion 9 14 Adjus...

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Страница 5: ...chanism 30 7 Hook saddle mechanism 33 8 Knife mechanism 36 9 Knife mechanism 38 I0 Touch back mechanism detector mechanism 41 11 Wiper mechanism __________________________________________________ ____...

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Страница 7: ...r eye guard are installed do not operate the machine without these safety devices 2 Precaution before Starting Operation I Ifthe machine s oil pan has an oil sump never operate the machine before fill...

Страница 8: ...e W phase to the black lead The motor rotary direction depends however upon the setting ofthe internal switch in the control box as described in Paragraph 1 P CAUTION The green wire must be connected...

Страница 9: ...ternal switch is off when the motor is rotating counterclockwise as facing to the motor pulley and on when rotating clockwise The rotary direction has been set to counterclockwise as facing to the mot...

Страница 10: ...coming from the machine head into the receptacle CAUTIONS ON USE 1 Oiling 1 Fill the oil reservoir with oil up to H mark Oil level should be periodically checked If oil level is fottnd below L level...

Страница 11: ...n the control box might cause Adjuat in Screw malfunction or control troubles be sure to keep the control box cover close during operation d Do not apply a multimeter to the control circuit for checki...

Страница 12: ...twist thread in the right needle When discriminate use of needle threads is impossible use Z twist thread in both the needles For bobbin thread S twist thread as well as Z twist thread can be used 4...

Страница 13: ...depressing this button Stitching goes on in reversed direction while the button is held down and returns to forward direction when the button is released f11dlongth Mttingdial k 6 Setting of bobbin l...

Страница 14: ...two needle thread by left hand rotate the wheel one tum by right hand By pulling up the needle threads as shown in the figure the bobbin threads will be lifted Both of bobbin thread and needle thread...

Страница 15: ...ead backward and loosen three set screws of hook shaft gear small 2 Turn the balance wheel and stop when the needle is lifted A mm shown table from the lowest position 3 Rotate the hook by hand to pos...

Страница 16: ...ever stopping at its highest position I Stop the motion of left side needle bar Make the stopper wrench to the position L 2 Stop the motion of right side needle bar I I L J j Stoper wrench _ Needle nu...

Страница 17: ...maximum height c Loosen the feed bar set screw n mz O Smm m lmm l 2mm d Vertically move the feed bar in the direction indicated by arrow in the figure to adjust it to adequate height e After the adjus...

Страница 18: ...center of the hole I Set stitch length to O on the stitch length setting dial 2 Lean the machine head backward 3 Loosen the feed shaft crank set Screws A and B 4 Set the needle at the lowest position...

Страница 19: ...e as shown in Figure and tighten the bolts A and B Thread lr1mmer rocking crank ror kmg r rnnk 2 Gap between movable knife and bobbin case holder stopper a Turn the balance wheel by hand until needle...

Страница 20: ...ng the needle position depress the cam follower crank and put the cam roller into the groove of thread trimmer cam c Turning the balance wheel by hand adjust the thread tension release cam so that the...

Страница 21: ...cal position adjustinc sc ew B Since the throat plate and feed dog are special parts designed for thread trimming machine be sure to use those specified by us 2 Lean the machine head backward 3 Loosen...

Страница 22: ...stment Screw A Bolt J Stopper pm F Thread trimmer rockini i crank D Screw B a Run the machine then stop at up position Cam follower crank Lower shalt b Loosen the screw C then adjust the base block so...

Страница 23: ...edle No DPX5 11 14 DPX5 18 22 Standard Large hook with vertical axis Auto lubrication Horizontal Rotating hook hook Thread bobbin thread full rotating hook with self lubrication trimming pull back Lar...

Страница 24: ...A ARM BED AND ITS ACCESSORIES 1 I 2 3 4 5 6 7 8 9 10 11 9 15 16 17 I 35 34 33 32 9 1 18...

Страница 25: ...bber plug I I I I Al6 l IA700B2060 Screw 2 2 2 2 SMI 1 64 40 x8 Al7 1 1240082100 Thread guide I I I I 18 H2000M0080 Cap 2 2 2 2 Al9 11491388001 Supporter I I 20 11491288001 Screw 2 2 SMl 4 24 x9 A21 1...

Страница 26: ...B THREAD TENSION REGULATOR MECHANISM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 I 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 I 20 21 22 26 27 28 29 30...

Страница 27: ...nut 2 2 2 2 SMI 1164 40 819 H3221B0682 Pin 3 3 3 3 821 H322180687 Thread guide I I 821 H3306B0661 Thread _uide I 1 B22 HAI06B0676 Screw I 1 I 1 SM9 64 40 x6 823 HA310B0702 Thread tension releasing pl...

Страница 28: ...0 0 Ii Ii N N 0 0 u u N N 0 0 u u 0 0 843 H324818421 Screw I I I I SM9 64 40 x2 9 844 H324818121 Thread tension stud I I I I 845 H2004J0067 Screw I I I I SM9 64 40 x7 846 H322186817 Pin I I I I 847 H3...

Страница 29: ...C ARM SHAFT MECHANISM 44 43 0 42 41 40 35 27 34 33 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 J 26 31 30 29 17 28 27 23...

Страница 30: ...0684 Screw I I I I SM 15 64 28 x8 5 Cl9 H3205CI021 Pulley upper I I I I C20 HAIOOF2130 Screw I I I I SMl5 64 28 xl4 5 C21 H3205J0662 Ball bearing I I 6204ZZNR 5K C22 H3205J0661 B ushing I I C23 HAI 13...

Страница 31: ...MECHANISM E c c c a I I I I E c a Fig 00 00 I I Description N N 00 00 Part No g N N Remarks No 0 N N 0 0 u u N a 0 0 u 0 0 C43 HAIOOH2120 Presser spring guide I 1 1 I C44 HA309H0681 Screw 1 1 I I SMl...

Страница 32: ...D NEEDLE BAR ROCKING MOTION MECHANISM 1 2 3 4 5 6 7 8 9 10 11 16 17 18 19 17 20 21 22 23 12 13 14 15 26...

Страница 33: ...I DOS H2421 ID30S Plug I I I I D09 H3409C0671 Connecting link I I I I DIO HAIOOH21SO Screw I I I I SM9 64 40 x11 Dll H3409C0672 Bushing I I I I Dl2 H3410C301P Square block I I I I Dl3 H3406C0671 Conn...

Страница 34: ...E NEEDLE BAR MECHANISM 48 47 48 45 m 44 ifi 43 f 1 42 Cl 41 40 3 39 38 37 36 1 33 6 7 8 32 _ I 31 30 29 2a 21 20 25 24 23 22 21 20 19 28 0...

Страница 35: ...40 x5 El9 H3410C301C Screw I I I I SM3 32 44 x4 2 E20 H3410C301B Needle bar supporter I I I I E21 H3410C3015 Needle bar holder right I I I I E22 H3410C3019 Set screw 2 2 2 2 SM9 64 40 x3 5 E23 H3410C3...

Страница 36: ...Description or or N N Remarks No 0 0 or or N N 0 0 u u N N Cl Cl u u Cl Cl E43 H3410Cl261 Nut 2 2 2 2 SM5 64 64 x6 E44 H34412C310 Pin 2 2 2 2 E45 H34412C210 Sleeve 2 2 2 2 E46 H34412CI 10 Spring 2 2...

Страница 37: ...F NEEDLE BAR CONTROL MECHANISM 2 3 4 5 6 7 8 9 11 12 13 14 18 36 35 34 33 32 4 31 30 29 28 27 26 25 24 23 22 21 20 19 31...

Страница 38: ...ntrol lever I I 1 I FIS H3400LOOSO Thread guide I 1 I 1 Fl6 H2004J0067 Screw 2 2 2 2 SM 11164 40 11 4 Fl7 H3400D2060 Pipe 1 I 1 I FIS H3407P0671 Pin I I 1 I Fl9 H3408D0681 Pin I I 1 I F20 H3408D0686 L...

Страница 39: ...G STITCH REGULATOR MECHANISM 34 33 1 2 3 4 5 30 29 28 6 7 8 7 9 10 11 12 13 14 15 27 26 25 24 23 22 21 20 19 33...

Страница 40: ...SM 15 64 28 x8 5 GIS H3216F0071 Reverse sewing lever complete I I GIS H4906G8001 Reverse sewing lever I I Gl6 IH207F0673 Spring I I I I Gl7 H3200F2050 Bracket for spring I I Gl8 l IA300C2030 Screw 6 6...

Страница 41: ...H LOWER SHAFT FEED ROCK SHAFT MECHANISM 49 48 2 3 4 5 6 7 8 9 10 11 12 13 14 26 27 28 29 LL 41 35...

Страница 42: ...5 64 28 x I0 1 117 1 1240500664 Screw 3 3 3 3 SM 15 64 28 x 14 HIS H3208G0675 Nut 2 2 2 2 SM 1 4 24 Hl9 H3208G0676 Screw I I I I SM 15 64 28 x14 1 120 H3208G0673 Connecting rod crank I I I I 1 121 HAI...

Страница 43: ...1 142 1 1320500662 Oil wick 1 1 1 l 1143 1 1320002030 Holder 1 1 1 1 H44 1 132001 12040 Bolt 1 1 1 1 SM 1S 64 28 x18 H4S HOOS001060 Washer I 1 I 1 GBff97 l 6 1146 l IS901319Sl Screw 1 1 1 1 M3 xl4 H4...

Страница 44: ...I HOOK SADDLE MECHANISM GC20528 B D GC20528 M B D 7 6 4 3 2 1 33 1 33 38...

Страница 45: ...18001 Bobbin case 2 CP 12C 07 H9306J8001 Bobbin case 2 CP 12MC 3 108 H3204I0656 Oil wick 2 2 2 2 109 11321531504 Bobbin case opener holder pin 2 2 2 2 110 H321531204 Screw 2 2 2 2 SM3 16 32 x7 8 111 1...

Страница 46: ...crew 2 2 2 2 SM3 16 28 x43 128 H320410659 Nut 2 2 2 2 SM3 16 28 129 II005014050 Spring washer 2 2 2 2 GB T955 5 130 1 IA305E0662 Screw 4 4 4 4 SM 15 64 28 x4 5 131 HA307C0662 Screw 2 2 2 2 SMl 4 40 x6...

Страница 47: ...J UPPER FEED ROCK SHAFT MECHANISM 4 5 7 8 9 3 15 14 11 41 6...

Страница 48: ...1 IJ8001 Move knife 2 2 108 H4912J8001 Screw 2 2 SM 1 8 40 x9 2 109 H4913J8001 Screw 2 2 SM9 64 40 x4 5 J 10 H4914J8001 Spring plate 2 2 J II I 1491518001 Screw 6 6 SM3 32 56 x3 8 Jf 2 H4916J8001 Reve...

Страница 49: ...K KNIFE MECHANISM 6 7 36 37 38 8 9 10 l 34 35 51 56 63 61 43...

Страница 50: ...05JSOOI Mounting plate I I Kl7 1 1003002050 Nut 2 2 GB T6170 M5 Kl8 H6906J8001 Screw I I SMJ 16 C32 xJ 5 Kl9 H4908K8001 Arm I I K20 H4907K8001 Bolt I I SM 15 64 C 2S x12 5 K21 H4906K8001 Link I I K22...

Страница 51: ...60 Screw 2 2 GB T819 I MSx16 KS4 H2012N06S2 Screw 1 I SMl 4 24 xl6 KSS H4983K8001 Screw I I SMl 4 24 xIJ KS6 H4967K8001 Screw 3 3 SMI 1 64 40 x7 KS7 H4966K8001 Stopper I I KS8 H4981K8001 Holder I I KS...

Страница 52: ...L TOUCH BACK AND DETECTOR MECHANISM 2 3 23 32 31 30 46...

Страница 53: ...0L8001 Speed command disk Fl I down I I Ll4 H4931L8001 Pulley complete I I LIS HAI 1000672 Screw 1 1 SMIS 64 28 xl2 Ll6 HA703R0067 Washer I 1 Ll7 HA341 ID308 Screw I I SMl5 64 C28 x7 LIS H4936L8001 Le...

Страница 54: ...M WIPER MECHANISM 20 21 22 23 24 21 25 26 21 12 13 14 15 32 31 30 29 28 27 48...

Страница 55: ...ng I Ml2 H691SL8001 Screw I SM9 64 40 x7 4 Ml3 H6916L8001 Link I Ml4 H6917L8001 Wiper crank I MIS HAI 1100683 Screw I SMI l 64 40 xt 1 4 MI6 1 1003002040 Nut 2 GBff6170 M4 Ml7 HOOS009040 Spring washer...

Страница 56: ...N OIL LUBRICATION MECHANISM 12 3 4 5 6 7 8 10 11 12 13 14 15 16 17 18 19 23 I 39 38 37 16 18 1 20 36 35 20 18 34 33 32 31 30 29 28 27 26 25 24 50...

Страница 57: ...T93 3 Nl8 1 132311D606 Holder 4 4 4 4 Nl9 H3200KOl90 Holder 2 2 2 2 N20 HA300B2130 Screw 7 7 6 6 SMI 1 64 40 x5 5 N21 H3200K0200 Holder I I I I N22 H3230K0751 Screw 2 2 2 2 SM 11 64 40 10 N23 H3230K07...

Страница 58: ...00 Remarks Part No II II N N No 0 0 II II a a 0 0 N 0 0 u 0 0 N44 H3210K0675 Holder I I I I N45 H32IOK0671 Oil pipe connector I I I I N46 HW48887 18 Pipe I I I I N47 HAIOOE2150 Screw 2 2 2 2 SM9 64 40...

Страница 59: ...O ACCESSORIES 15 14 17 18 16 26 28 q 44 12 27 53 8 9 10 ii d tt 11...

Страница 60: ...r small I I I I 015 H3207L0651 Thread a needle kit I I I I 016 HA704S0654 Adjusting plate for speed command disc I I 017 1 1409030060 Screw I I GB T818 M3 x6 018 H4907N8001 Thread guide I I 019 1 1200...

Страница 61: ...038 HA104J0659 Screw I I I I SMIS 64 28 x27 039 H3213L0664 Knee lifter crank I I I I 040 1 1007013090 E type stop ring 2 2 2 2 GBff896 9 041 HAl04J0653 Washer 2 2 2 2 042 HAI04J0652 Screw I I I I SM5...

Страница 62: ...0 3 8 9 5mm H3300B2190 H3300G2150 H3308E0069 H3400C2110 H3200B2350 H3200B2150 1 2 12 7mm H3300B2060 H3300G2030 H3309E0070 H3400C2120 H3200B2360 H3200B2150 GC20S28 M D 1 8 3 2mm H6910B8001 H6910G8001 H...

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Страница 64: ...d Shanghai China Zip Code 201103 Overseas Business TEL 86 21 64853303 FAX 86 21 64854304 E mail highlead online sh cn http www highlead com cn The description covered in this manual is subject to chan...

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