HIGHLEAD GC20638-25 Instruction Manual Download

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Summary of Contents for GC20638-25

Page 1: ...LEAD GC20638 25 25D Long Arm Compound Feed Split Needle Bar Lockstitch Sewing Machine Instruction Manual Parts Catalog SHANGHAI HUIGONG N0 3 SEWING MACHINE FACTORY From the library of Diamond Needle C...

Page 2: ...From the library of Diamond Needle Corp...

Page 3: ...ting bobbin 4 7 Threading of bobbin thread 5 H Tension adjustment of bobbin threads 5 CJ Balance ofthrcad tension 0 I0 Needle thread tension 0 I I Adjustment of pressure of presser foot 5 12 Timing be...

Page 4: ...e to needle distance 12 Parts Catalog A ARM BED MECHANISM 11 B THREAD TENSION REGULATOR MECHANISM 16 C ARM SHAFT LOWER SHAFT MECHANISM 20 0 PRESSER FOOT MECHANISM 22 L NEEDLE BAR TAKE UP LEVER MECHANI...

Page 5: ...others in parallel Otherwise the load capacity will be exceeded It may cause transformer winding burned out C Rotary direction It is possible to change the rotary direction of the motor by removing th...

Page 6: ...b Run the machine and stop at Down position c While holding the pulley insert the adjusting tool in the hole 8 then remove the tool C Confirm the stop operation then set the plug 12 pings coming from...

Page 7: ...3 0PERATION 1 How to attach needle Fig 7 Note Before attach needle be sure to turn off the power Loosen the needle clamping screw Hold the needles so that the two needles side with the long grooved f...

Page 8: ...ple is used pass the thread through thread guide Bas show in Fig lO B With the take up lever located at the upper most position pass each thread in the order in Fig II Note Pressing the upper thread l...

Page 9: ...bobbin thread and needle thread should be aligned and led backward 8 Tension adjustment of bobbin threads Fig lS 9 Balance of thread tension Fig 16 10 Needle thread tension Fig 17 turn Needle thread...

Page 10: ...ds too high or pressure of presser foot is too large B Even stitch length cannot be assured if the feed dog is too low or pressure of presser foot is too small C Feed dog height should be measured at...

Page 11: ...feet become minimum when the crank rod is moved downward and set C The vertical strokes of presser feet become minimum when the crank rod is moved upward and set D After the adjustment tighten the spe...

Page 12: ...ance between presser rod and vipration prevention rod to 9mm and temporarily tighten the feed lifting rockshaft crank set screws A and B Fig 27 E Check that the right feed lifting rockshaft crank is c...

Page 13: ...clutch device is set C Force applied to the safety clutch Fig 30 a The force applied to the safety clutch Js the smallest when the mark of eccentric pin faces the center of the lower shaft The force p...

Page 14: ...on b With the needle at the 10 yest position depress cam follower crank turn the balance wheel until the movable knife reaches the extremity of its stroke c Manually rotate the inner hook in the direc...

Page 15: ...djust loosen two tension release cam clamp screws A E Opening degree of tension disc should be adjusted with the tension release roller B mounted on the convex portion of thread release cam as shown i...

Page 16: ...e needles and hooks have been adjusted install the spring M G Contact the rocking cranks C and D to the stopper pins E and F and tighten the connecting link clamp bolt J H Tum the balance wheel by ban...

Page 17: ...A ARM BED AND ITS ACCESSORIES 9 4 2 5 6 7 10 41 40 39 38 37 30 29 From the library of Diamond Needle Corp...

Page 18: ...ead guide I I AIS H3000D2160 Screw I I SM9 64 40 x4 5 Al9 H4726B8001 Thread guide I I A20 H0213B8001 Face plate I I A21 H2400B2080 Screw 2 2 SM3 16 28 X 12 1 A22 H2400B2070 Thread guide I I A23 H0212B...

Page 19: ...I V l Fig 00 I Description M 00 Part No D M Remarks No 0 D N 0 u N 0 u 0 A40 H4746B8001 Slide plate left I I A41 H700707101 Bobbin winder I I A42 H7014D7101 Down lead complete I I I I I I I I I 15 Fro...

Page 20: ...EAD TENSION REGULATOR MECHANISM 1 2 3 4 8 9 10 11 12 13 14 15 16 17 18 20 2 1 h 22 48 47 46 45 44 43 42 41 40 39 38 37 36 35 16 M 23 34 33 32 31 30 24 25 26 27 28 29 From the library of Diamond Needle...

Page 21: ...B THREAD TENSION REGULATOR MECHANISM 49 50 51 52 53 54 11 81 55 58 59 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 17 From the library of Diamond Needle Corp...

Page 22: ...n 3 3 820 HAI0680676 Screw I I SM9 64 40 x6 821 H330680661 Thread guide I I 822 HA31080702 Tension releasing disc 2 2 823 H4710C8001 Spring 2 2 824 HA11587010 Thumb nut revolution stopper 2 2 825 HA31...

Page 23: ...1164 40 x 15 858 H3400D2060 Cannulation I I L 7 7 859 H3407D0671 Pin I I 860 H3408D0681 Pin I I 861 H3408D0682 Spring I I 862 H3408D0686 Tension bracket 1 I 863 H0210C8001 Screw 1 I SMI1 64 40 x22 864...

Page 24: ...C A _ RM SHAFT M _E __ cHAN __ rs_M____ 20 From the library of Diamond Needle Corp...

Page 25: ...IS 64 28 x8 S Cl2 H320SCI021 Pulley I I CJ3 HAIOOF2130 Screw I I SM IS 64 C28 X 14 S Cl4 H320SJ0662 Bearing I I CIS H320SJ0661 Collar I I Cl6 HAIIOD0672 Screw 2 SMIS 64 28 xJ2 Cl7 H4100C2040 Pulley I...

Page 26: ...D UPPER SHAFT PRESSER FOOT MECHANISM 40 39 38 37 58 1 55 I I 2 3 62 3 52 4 2 5 6 7 8 9 10 11 12 13 14 15 1 18 22 From the library of Diamond Needle Corp...

Page 27: ...100G2170 Screw I I SMI 4 24 xl7 D22 H4730E8001 Lever spring I I 023 H4729E8001 Screw I I SMI5 64 28 x79 024 H4727E8001 Twist spring I I 025 H4728E8001 Knee lifting lever I I 026 H3IOOG2130 Screw I I S...

Page 28: ...051 H470808001 Set screw 2 2 SMI 4 24 x 13 052 HE50408001 Lifting presser I I 5116 052 HE304E8001 Lifting presser I I 3 8 053 HEOI3N8001 Finger gusrd I I 054 H0205E8001 Bushing I I 055 H3210F0681 Scr...

Page 29: ...READ AND ARM SHAFT MECHANISM 35 36 37 lJ 3811 39 fj 40 e 41 1 444 45 r 46 t l 48 47 49 5o 29 58 51 1 51 56 54 53 I I I 72 73 I 52 5 6 7 10 11 12 13 2322 21 59 60 25 67 68 0 From the library of Diamond...

Page 30: ...3015 Needle bar holder I I El9 H3410C301K Screw I I SM9 64 40 x6 5 E20 HE523E8001 Guide plate I I E21 HA7121N304 Screw I I E22 H3410C301C Screw I I SM3 32 56 x4 2 E23 H3410C30IB Needle bar supporter I...

Page 31: ...de I I E56 I 0206F800 I Vibrating presser bar link I I E57 H3IOOF2060 Spring I I E58 HE506D7101 Vibrating presser spring guide I I E59 H3410C301P Square block I I E60 H3406C0671 Screw I I SM15 64 28 X...

Page 32: ...F STITCH REGULATOR MECHANISM 2 3 4 5 6 34 33 32 31 30 29 28 26 28 13 14 15 From the library of Diamond Needle Corp...

Page 33: ...l4 H3200F2050 Guide plate I Fl5 HA300C2030 Screw I SMII 64 40 x8 Fl6 H3200F2110 Spring I I Fl7 HA700F2030 Pin I I Fl8 HA720F0686 Screw I I SM3 16 28 x 18 Fl9 HA720F0685 Bushing I I F20 H4910G8001 Stit...

Page 34: ...G LOWER SHAFT FEED ROCK SHAFT MECHANISM 11 12 13 14 15 18 19 20 21 22 23 58 40 35 34 33 32 31 30 o From the library of Diamond Needle Corp...

Page 35: ...Screw I I SMI 4 40 x5 G22 H4723H8001 Ball bearing I I G23 H4727H8001 Bearing holder I I G24 HA731JC306 Screw 3 3 SM9 64 40 x7 G25 H4728H8001 Washer I I G26 H4729H8001 Screw I I M6 G27 H003055060 Nut...

Page 36: ...GSO H4942H8001 Feed bar I G51 H3200H2040 Screw I I SM 15 64 28 x 17 G52 H2013J0065 Washer I I G53 H003002030 Nut I I GB T6170 M3 G54 H429030140 Screw I I GB T78 M3x 14 G55 H3205H0653 Screw I I SMI 8 C...

Page 37: ...H HOOK SADDLE MECHANISM 2 1 33 8 9 10 28 29 From the library of Diamond Needle Corp...

Page 38: ...er 2 2 Hl3 H2004J0067 Screw 2 2 Sl 19 64 40 7 Hl4 H320012030 Washer 2 2 HIS H3305I0066 Opener 2 2 Hl6 H005008050 Spring washer 2 2 GBIT93 5 Hl7 HA104G0658 Nut 2 2 Sl 13 6 32 Hl8 H331211204 Spacer 2 2...

Page 39: ...I THREAD TRIMMER MECHANISM 4 5 7 8 11 12 3 _ 15 14 11 35 From the library of Diamond Needle Corp...

Page 40: ...40 x4 107 H4911J8001 Moved knife 2 108 H4912J8001 Screw 2 SMI 8 44 x9 2 109 H4913J8001 Screw 2 SM9 64 40 x4 5 110 H4914J8001 Spring plate 2 Ill H4915J8001 Screw 6 SM3 32 C56 x3 8 112 H4916J8001 Rever...

Page 41: ...THREAD TRIMMER MECHANISM 36 37 38 8 20 1 2 E I 62 57 56 63 72 59 60 71 70 69 68 67 66 65 64 37 5 6 7 16 51 From the library of Diamond Needle Corp...

Page 42: ...GB T6170 M5 118 HA300C2030 Screw 1 SMJI 64 40 7 119 H4908K8001 Arm 1 120 H4907K8001 Bolt I SM 15 64 C28 12 5 121 H4906K8001 Link I 122 H4905K8001 Screw 2 M5 0 5 x7 5 123 HAIOOH2080 Pin type I 124 H494...

Page 43: ...w 1 SMI 4 24 xl6 155 H4983K8001 Screw 1 SMI 4 24 xJ3 156 H4967K8001 Screw 3 SMII 64 40 x7 157 H4966K8001 Stopper 1 158 H4981K8001 Holder 1 159 H003008050 Nut 2 GB T6172 1 M5 160 H4977K8001 Mounting pl...

Page 44: ...K TOUCH BACK AND DETECTOR MECHANISM 2 3 4 6 7 8 9 10 11 12 10 From the library of Diamond Needle Corp...

Page 45: ...2 Kl4 H4931L8001 Pulley complete I Kl5 HA703R0067 Washer I Kl6 HA703R0065 Detector bracket complete I Kl7 HA3411D308 Screw I SMIS 64 28 x7 Kl8 H4936L8001 Lever I Kl9 HAII3F0684 Screw I SMIS 64 28 x7 5...

Page 46: ...L OIL LUBRICATION MECHANISM 1 2 3 r 7 14 13 3 16 15 17 18 u 12 From the library of Diamond Needle Corp...

Page 47: ...6 H700SJSOOI Felt I I L07 H7007J7101 Oil pipe complete 6 6 LOS H32311D606 Holder 4 4 L09 HAI0680676 Screw 10 10 SM9 64 40 x4 S LIO H3200KOI70 Holder 4 4 Lll H3200KOI60 Holder 2 2 Ll2 H3200KOISO Oil wi...

Page 48: ...M ACCESSORIES 5 2 13 12 I 10 14 31 32 28 44 From the library of Diamond Needle Corp...

Page 49: ...a needle kit I I Ml4 HA704S0654 Adjusting plate for speed command disk I I MIS HA300J2070 Screw driver large I I Ml6 H2404K0654 Hinge complete 2 2 Ml7 H2404K0655 Hinge complete 2 2 MIS H2404K0656 Scre...

Page 50: ...From the library of Diamond Needle Corp...

Page 51: ...From the library of Diamond Needle Corp...

Page 52: ...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 change for improvement of...

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