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HIGHLEAD GC20618-1DZ, Instruction Manual Parts Catalog

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Parts Catalog

SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO.,LTD.

Instruction Manual

GC20618-1DZ/-2DZ

Direct Drive Heavy Duty Compound Feed

Lockstitch Sewing Machine With Automatic

Thread Trimmer

Summary of Contents for GC20618-1DZ

Page 1: ...Parts Catalog SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO LTD Instruction Manual GC20618 1DZ 2DZ Direct Drive Heavy Duty Compound Feed Lockstitch Sewing Machine With Automatic Thread Trimmer ...

Page 2: ...E MOTION 6 17 ADJUSTMENT OF FEED DOG HEIGHT 7 18 RELATIONSHIP BETWEEN ROTATING HOOK MOTION AND TAKE UP LEVER MOTION 7 19 RELATIONSHIP BETWEEN HOOK MOTION AND OPENER MOTION 8 20 RELATIONSHIP BETWEEN NEEDLE MOTION AND FEED DOG MOTION 8 21 SAFETY CLUTCH DEVICE 9 22 ADJUSTMENT OF THE UPPER FEED 9 23 WALKING FOOT AND PRESSER FOOT VERTICAL STROKE ADJUSTMENT 10 24 ADJUSTMENT THE STITCH TOLERANCE 10 25 IN...

Page 3: ...ety devices 2 Precautions before starting operation 1 If the machine s oil pan has an oil sump never operate the machine before filling it 2 If the machine is lubricated by a drop oiler never operate the machine before lubricating 3 When a new sewing machine is first turned on verify the rotational direction of the pulley with the power on The pulley should rotate counterclockwise when viewed from...

Page 4: ...ht window to check oiling condition during operation 4 PRECAUTIONS OPERATION 1 When the power is turned on or off keep foot away from the pedal 2 It should be noted that the brake may not work when the power is interrupted or power failure occurs during sewing machine operation 3 Since dust in the control box might cause malfunction or control troubles be sure to keep the control box cover close d...

Page 5: ...ifted Thread tension Particularly in the case of nylon or polyester thread wind the bobbin loosely 1 Press the bobbin onto the thread winding shaft 2 Pass the thread for winding thread as shown in the figure and wind the end of the thread clockwise around the bobbin several times then wind the thread on the thread adjuster side counter clock wise several times 3 Press lever 1 in the direction of t...

Page 6: ...de B as show in figure 2 Thread take up lever to the highest position pass each thread in the order in figure Note Pressing the tension releasing handlebar the thread can be pulled out easily 10 ADJUSTMENT OF STITCH LENGTH AND REVERSE SEWING Rotate the stitch length adjusting dial to change the stitch length When press the feed reversing lever reverse sewing will take place Loose the lever reverse...

Page 7: ...n in the figure the bobbin thread will be lifted The combination of bobbin thread and needle thread should be aligned and led backward 13 BALANCE OF THREAD TENSION 14 ADJUSTMENT OF THE BOBBIN THREAD TENSION There is virtually no need to adjust the bobbin thread tension except for special kind of the thread when slight adjustment will be necessary Turning the adjusting screw clockwise will increase...

Page 8: ...After the adjustment Tighten the lock nut 16 TIMING BETWEEN ROTATING HOOK MOTION AND NEEDLE MOTION 1 Set the stitch length to 6 on the stitch length dial 2 When the needle is lifted 2 4mm from the lower dead point the following positional relationship should be maintained a The lower edge of needle eye should be 2 3mm below the hook point b The center of the needle the hook point is on a line c Ga...

Page 9: ...pressure foot is too small 3 Feed dog height should be measured at the point where the needle is at the top position For light fabrics Approx 0 8mm from throat plate For usual fabrics Approx 1 0mm from throat plate For heavy fabrics Apporx 1 2mm from throat plate Adjustment procedure a Lean the machine head backward b Turn the pulley by hand and stop when the feed dog rises to the maximum height c...

Page 10: ...r A and the opener is approximately 0 2mm 3 If the gap is too large or small loosen the opener holder set screw B and adjust position of the opener 20 RELATIONSHIP BETWEEN NEEDLE MOTION AND FEED DOG MOTION 1 Set feed length to 0 on the feed setting dial 2 Lean the machine head backward 3 Loosen the feed lifting rock shaft crank set screw A and B 4 Set the needle at the lowest position 5 Adjust the...

Page 11: ...de of bed by left hand turn the balance wheel slowly by right hand away from you as shown in the figure 2 The balance wheel will stop by the gear plate but turn the balance wheel more firmly 3 Release the push button 4 As shown in the figure the safety clutch device is set 3 Force applied to the safety clutch 1 The force applied to the safety clutch is the smallest when the white mark of the eccen...

Page 12: ...et 3 The vertical strokes becomes minimum when the nut is moved downward and set 4 After the adjustment fully tighten the special bolt The vertical strokes of the presser feet can be adjusted within a range from 6mm to 2mm 24 ADJUSTMENT THE STITCH TOLERANCE Screwing the pin that connects the link of back sewing with the crank of back sewing down can adjust the tolerance of between the stitches Scr...

Page 13: ...follower crank turn the balance wheel until the movable knife reaches the extremity of its stroke 3 Manually rotate the inner hook in the direction indicated by arrow in figure and adjust gap between the movable knife and the inner hook stopper to about 0 5mm the screws A and B should be loosen for this adjustment 26 ADJUSTMENT OF THREAD TRIMMER CAM 1 Turn the balance wheel by hand until the needl...

Page 14: ...thread can be trimmed with minimum pressure 3 Move the movable knife and check that the thread can be sharply trimmed 28 SHARPING OF FIXED KNIFE When the knives dull the fixed knife should be sharpened as illustrated in figure Since it is very difficult to sharpen the movable knife replace it with a new one when it dulls 29 ADJUSTMENT FOR CHANGE OF NEEDLE GAUGE PARTS 1 Replace the throat plate fee...

Page 15: ...enters into the cam groove b Turn the connecting rod L and adjust the clearance between the cam roller and the cam groove surface N as small as possible and tighten the nuts G and H c Push the cam follower crank K again and check that the cam roller enters into the thread trimmer cam groove smoothly 30 SPECIFICATIONS OF THE OPERATION PANEL The operation panel is integrated with the motor cover The...

Page 16: ... For single needle model is 5 valves and the two needle model is 4 valves The function of the valves as shown in Fig Left standard control system Right integrated control system A Short thread B Thread tension C Feed reversing D Presser foot lifting E Thread tension releasing A only available with single needle model ...

Page 17: ...A ARM BED AND ITS ACCESSORIES 15 15 ...

Page 18: ... A17 H2000B2010 Rubber plug 1 1 Φ13 A18 H2400B2070 Thread guide 1 1 A19 H2400B2080 Screw 2 2 A20 H2000M0090 Oil cup 2 2 A21 HY91K37101 Solenoid complete 1 A22 H3200B2100 Screw 1 1 A23 H3212B0066 Thread guide complete 1 1 A24 H4742E8001 Screw 2 A25 H4751B8001 Tension releasing plate 1 A26 H4912B8001 Screw 2 2 A27 H4913B8001 Supporter 1 1 A28 H431040080 Screw 1 A29 H4915B8001 Cover plate 1 A30 H4914...

Page 19: ...r plate 1 A39 HA100C2190 Screw 1 SM11 64 40 8 A40 HFB0188001 Electric line holder 1 A41 HFB1118001 Face plate 1 1 A42 HA106B0675 Thread guide 1 A43 HA106B0676 Screw 1 SM9 64 40 6 A44 H3000D2160 Screw 1 SM9 64 40 7 A45 H4726B8001 Thread guide 1 A ARM BED AND ITS ACCESSORIES 17 ...

Page 20: ...B THREAD TENSION REGULATOR MECHANISM 18 18 ...

Page 21: ... B18 HFC1098001 Tension releasing plate 1 1 B19 HFC1258001 Pin 2 2 B20 H3221B0686 Thread tension stud 2 2 B21 H3221B0682 Thread guide pin 2 4 B22 H32481B721 Nut 1 1 B23 H32481B621 Take up spring guide 1 B24 H32481BC21 Screw 1 SM9 64 40 6 B25 H32481BB21 Stopper 1 B26 H32481B921 Thread tension post 1 B27 H32481B521 Screw 2 SM1 8 44 3 9 B28 H32481B821 Bushing 1 B29 H32481BF21 Thread plate complete 1 ...

Page 22: ...C20618 2DZ Description B41 H3306B0661 Thread guide 1 1 B42 HA300C2030 Screw 4 4 SM11 64 40 8 B43 HFC1048001 Air cylinder 2 4 ACQ 10 1 5 SJ2673E B44 H415030100 Screw 6 12 B45 H34411C410 Screw 2 2 B THREAD TENSION REGULATOR MECHANISM 20 ...

Page 23: ...C ARM SHAFT MECHANISM 21 21 ...

Page 24: ... C17 HFD1098001 Belt pulley 1 1 C18 HA100F2130 Screw 1 1 SM15 64 28 14 5 C19 H3205C0661 Spring flange 3 3 C20 H431060120 Screw 2 2 C21 HFD1108001 Bearing 1 1 6908AZZ C22 HFD1068001 Arm shaft 1 1 C23 HFD1118001 Belt 1 1 C24 HA104F0654 Screw 1 1 SM15 64 28 10 C25 H4715D8001 Link pin 1 1 C26 H4713D8001 Spring plate 1 1 C27 H4714D8001 Pin 1 1 C28 H4716D8001 Twist spring 1 1 C29 H007013025 E type ring ...

Page 25: ...672 Lifter lever 1 1 C54 HA100B2110 Screw 2 2 SM11 64 40 5 5 C55 H431050060 Screw 1 1 C56 HFE1218001 Bracket 1 1 C57 HFE1458001 Block 1 1 C58 HA300B2170 Screw 3 3 C59 HFE1508001 Screw 1 1 C60 HFE1478001 Lifter crank 1 1 C61 H6676E8001 Screw 2 2 C62 HFE1518001 Stop plate 1 1 C63 HFE1488001 Roller shaft 1 1 C64 H6640C8001 Spring pin 1 1 C65 H3211E0692 Spring 1 1 C66 HA720B0651 Spring pin 1 1 C67 HFE...

Page 26: ...D PRESSER FOOT MECHANISM 24 24 ...

Page 27: ...138001 Oil wick 1 1 D18 HFF1128001 Guide pin 1 1 D19 192F06016 Link 1 1 D20 HFE1398001 Link lever 1 1 D21 192F06022 Link 1 1 D22 HFE1378001 Stop washer 2 2 D23 HFE1338001 Shaft pin 2 2 D24 HFE1348001 Oil wick 2 2 D25 H3215K0693 Screw 2 2 D26 H3230K0751 Screw 1 1 D27 HFE1498001 Shaft 1 1 D28 H2004J0662 Screw 1 1 SM1 4 40 25 D29 H6627E8001 Collar 1 1 D30 H3000D2030 Screw 2 2 D31 192F06013 Link 1 1 D...

Page 28: ...Fig No Part No Name GC20618 1DZ GC20618 2DZ Description D44 H2000J2100 Bolt 1 1 D45 HFE1418001 Guide pin 1 1 D46 HE049C8002 Bearing 1 1 NTN DCL 168 D PRESSER FOOT MECHANISM 26 ...

Page 29: ...E NEEDLE BAR THREAD TAKE UP LEVER MECHANISM 27 27 ...

Page 30: ...10N0683 Nut 1 1 E16 H3205D0661 Collar 1 1 E17 HA307C0662 Screw 1 1 E18 H3129F0691 Screw 1 E20 Needle 1 2 DP 17 21 E21 H3129F0693 Thread guide 1 E22 HA100C2170 Screw 1 E23 HFF1148001 Guide plate 1 1 E24 HA300B2170 Screw 2 2 E25 H2405D1122 Oil wick 1 1 E26 H2405D1121 Thread take up lever support stud 1 1 E27 H4712F8001 Thread take up lever 1 1 E28 H2405D1112 Thread take up slide brock 1 1 E29 H24211...

Page 31: ...F STITCH REGULATOR MECHANISM 29 29 ...

Page 32: ...r 1 F19 H431050050 Screw 2 F20 H4939L8001 Spring 1 1 F21 H4906G8001 Reverse sewing lever 1 1 F22 HA3411D308 Screw 1 1 F23 H4936L8001 Lever 1 1 F24 H4938L8001 Rubber ring 1 1 F25 H4937L8001 Screw 1 1 F26 H3207F0672 Screw 1 1 F27 H4710G8001 Spring 1 1 F28 H3200F2050 Bracket for spring 1 1 F29 HA300C2030 Screw 1 1 SM11 64 40 8 F30 H104080160 Bolt 1 1 F31 HEG4098001 Mounting plate 1 1 F32 H401080140 S...

Page 33: ...1 F46 H3206F0662 Pin 1 1 F47 H428050060 Screw 2 2 F48 H4714G8001 Reverse sewing crank 1 1 F49 H415050140 Screw 1 1 F50 H4716G8001 Collar 1 1 F51 H4719G8001 Felt 1 1 F52 H4721G8001 Felt 1 1 F53 H4722G8001 Square block 2 2 F54 H4723G8001 Guide plate 2 2 F55 HA300C2030 Screw 4 4 F56 H4720G8001 Reverse block 1 1 F STITCH REGULATOR MECHANISM 31 ...

Page 34: ...G LOWER SHAFT FEED ROCK SHAFT MECHANISM 32 32 ...

Page 35: ...01 Oil wick 1 1 G18 H4721H8001 Shaft 1 1 G19 H4722H7101 Lower shaft bushing complete middle 1 1 G20 H4725H8001 Bushing 1 1 G21 HA105D0662 Screw 1 1 G22 H3205H0654 Screw 1 1 G23 H4726H8001 Bearing 1 1 NTN 6203Z G24 H4727H8001 Bearing holder 1 1 G25 HA7311C306 Screw 3 3 G26 H4729H8001 Screw 1 1 G27 HA310G3012 Washer 1 1 G28 H0030550608 Nut 1 1 G29 H4737H8001 Link 1 1 G30 H007013050 E type ring 2 2 G...

Page 36: ... Screw 2 2 G48 H4905H8001 Feed connection crank left 1 1 G49 H3204G0031 Oil wick 1 1 G50 H3200G2030 Clip 1 1 G51 H3200H2040 Screw 1 1 G52 H2013J0065 Washer 1 1 G53 H429030140 Screw 1 G54 H003002030 Nut 1 G55 H4743H8001 Feed bar forked connection 1 1 G56 H3205H0652 Felt 1 1 G57 H3205H0653 Screw 1 1 G58 H4944H8001 Feed dog 1 G58 HEH4068001 Feed dog 1 G59 H32211G205 Screw 2 2 SM1 8 40 7 G LOWER SHAFT...

Page 37: ...H HOOK SADDLE MECHANSIM 35 35 ...

Page 38: ...2153I504 Opener bracket shaft 1 2 H14 H32153I204 Screw 1 2 H15 H33131I204 Link 1 2 H16 H33131I104 Opener bracket 1 2 H17 H2004J0067 Screw 1 2 H18 H3200I2030 Waher 1 2 H19 H3305I0066 Opener 1 2 H20 H005008050 Spring washer 1 2 H21 HA104G0658 Nut 1 2 H22 H4909I8001 Hook shaft bushing upper 1 2 H23 H3204I0657 Screw 1 2 H24 H4910I8001 Washer 1 2 H25 H3205H0654 Screw 1 2 H26 H4911I8001 Hook shaft bushi...

Page 39: ...I THREAD TRIMMER MECHAISM Ⅰ 37 37 ...

Page 40: ...11J8001 Moved knife 1 2 I08 H4912J8001 Screw 1 2 SM1 8 44 9 2 I09 H4913J8001 Screw 1 2 SM9 64 40 4 5 I10 H4914J8001 Spring plate 1 2 I11 H4915J8001 Screw 3 6 SM3 32 56 3 8 I12 H4916J8001 Spring 1 2 I13 H4917J8001 Guide left 1 I14 H4920J8001 Roller 1 2 I15 H4921J8001 Lever 1 2 I16 H4922J8001 Cover 1 1 I17 H4923J8001 Guide right 1 1 I18 H4924J8001 Mounting block right 1 1 I19 H4925J8001 Screw 1 1 SM...

Page 41: ...J THREAD TRIMMER MECHAISM Ⅱ 39 39 ...

Page 42: ... 2 J18 H4936K8001 Screw 2 2 J19 H4987K8001 Bolt 1 1 J20 H4940K8001 Nut 1 1 J21 H4939K8001 Bolt 1 1 J22 H003002050 Nut 1 1 J23 H4963K8001 Shaft 1 1 J24 H3405D0663 Ball joint 2 2 J25 HA710E0692 Screw 2 2 J26 H4932K8001 Trimmer cam 1 1 J27 H411050160 Screw 2 2 M5 16 J28 H2012N0652 Screw 1 1 J29 H4983K8001 Screw 1 1 J30 H4967K8001 Screw 2 2 J31 H4966K8001 Stopper 1 1 J32 H4981K8001 Holder 1 1 J33 H003...

Page 43: ...Fig No Part No Name GC20618 1DZ GC20618 2DZ Description J43 HA7111N304 Nut 1 1 J44 HFK1087101 Solenoid complete 1 1 J45 H4934K8001 Cam 1 1 J46 H431050050 Screw 2 2 J THREAD TRIMMER MECHAISM Ⅱ 41 ...

Page 44: ...K MOTOR MECHANISM 42 42 ...

Page 45: ...over 1 1 K08 H415050800 Screw 2 2 K09 H3416D0692 Screw 1 1 SM15 64 28 8 K10 H7206E8001 Screw 1 1 SM15 64 28 6 K11 HFL1057101 Pulley complete 1 1 K12 HFL1147101 Operation panel 1 1 K13 HFL1217101 Electronic dial 1 1 K14 H409030080 Screw 2 2 K15 H415040250 Screw 2 2 K16 H8868B8001 Screw 1 1 K17 H8818B8001 Switck plate 1 1 K18 H609030080 Spring pin 1 1 K19 H8867B8001 Screw 1 1 K20 HFB1198001 Safetly ...

Page 46: ...L OIL LUBRICATION MECHANISM 44 44 ...

Page 47: ...l pipe 1 1 L19 H1100I2070 Pin 1 1 L20 H1100I2080 Spring 1 1 L21 H1100I2110 Spring holder 1 1 L22 H3204D6510 Screw 1 1 SM9 64 40 5 L23 H3215K0693 Screw 1 1 L24 H3215K0692 Filter 1 1 L25 H3215K0694 Screw 1 1 L26 H4718J7101 Mounting plate complete 1 1 L27 H4720J8001 Oil pipe holder 1 1 L28 H3200K0170 Oil pipe holder 1 1 L30 H3210K0674 Oil pipe holder 1 L31 H3210K0671 Oil pipe joint 1 L32 HA300B2170 S...

Page 48: ...Fig No Part No Name GC20618 1DZ GC20618 2DZ Description L43 H4728J7101 Oil pipe complete 1 1 L44 HD15J98001 Oil pipe holder 1 1 L OIL LUBRICATION MECHANISM 46 ...

Page 49: ...M ACCESSORIES 47 47 ...

Page 50: ... 2 2 M11 HA300J2210 Screw drive small 1 1 M13 HA300J2070 Screw drive large 1 1 M14 HA100J2110 Oiler 1 1 M15 HFN1177101 Thread guide 1 1 M16 H3200L0120 Thread stand 1 M16 HA200J2030 Thread stand 1 M17 HA100J2180 Machine cover 1 1 M18 H4710C8001 Thread tension spring 1 2 M19 HA120J8001 Oil can 1 1 M20 HA307J0067 Hinge complete 2 2 M21 HA300B2090 Rubber plug 1 1 M22 HA100J2120 Magnet block for reserv...

Page 51: ...N INTEGRATED DIRECT DRIVE AND CONTROL 49 49 ...

Page 52: ...040120 Screw 2 2 N08 HFO5098001 Valve fixed plate 1 1 N09 H415040200 Screw 4 4 N10 HFL5148001 Screw 3 3 N11 HFL5128001 Electric plate 1 1 N12 HFL5118001 Protection paper 1 1 N13 HFL5138001 Screw standing 3 3 N14 H415050200 Screw 2 2 N15 HFL5167101 Pulley complete 1 1 N16 HFL5107101 Motor cover complete 1 1 N17 HFL5098001 Direct drive motor 1 1 N18 HFB5177101 Solenoid complete 1 1 N19 HFK5057101 So...

Page 53: ...sales highlead com cn http www highlead com cn SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO LTD ADD No 850 Shulin Road Songjiang District Shanghai P R China The description covered in this manual is subject to change for improvement of the commodity without notice 2016 10 Printed ...

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