HIGHLEAD GC1998-MCDZ Instruction Manual Download Page 31

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Fig.

No.

Part No.

Description

Pcs.

Remarks

G44

HA7121N704

Nut

G45

HA7121N604

Screw

G46

HA7121N104

Bracket for fixed blade

G47

HA7121N204

Fixed blade

G48

HA7121N304

Screw

G49

HA7121N404

Thread finger

G50

HA7311CH06

Screw

G51

H6721K8001

Thread trimmer driving lever

G52

HA712N6910

Flexible wire holder

G53

HA712N0699

Screw

G54

HA712N6911

Flexible wire presser

G55

HA712N6912

Screw

G56

HA712N0696

Spring suppert collar

G57

HA7311CC06

Screw

G58

HA712N0697

Trimming lever spring

G59

H6722K8001

Stud bolt

G60

H8842B8001

Spring bracket

G61

HA300B2160

Screw

G.THREAD TRIMMER MECHANISM

— 29 —

Summary of Contents for GC1998-MCDZ

Page 1: ...GC1998 MCDZ High Speed Semi Dry Direct Drive Lockstitcher With Edge Cutter And Thread Trimmer Instruction Manual Parts Catalog SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO LTD...

Page 2: ...Adjustment of lower thread tension 5 9 Thread wiper for machine equipped with thread wiper 6 10 How to wind the lower thread on the bobbin 6 11 Adjustment of feed dog height and inclination 6 12 Adju...

Page 3: ...n 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 lubri...

Page 4: ...ion into the oil tank 1 Remove the rubber plug from the oil port and fill the oil from the oil port 2 Fill in oil until the tip of the oil level indicator matches the line in the oil check window 3 Wh...

Page 5: ...e wipe off with a soft cloth 4 HOW TO USE THE MACHINE 1 How to attach needle Note Before making the following adjustment be sure to switch off the power source Insert the needle up to the bottom of ne...

Page 6: ...ewing back ward sewing will take place 3 Touchback switch a With the push button touchback switch pressed lightly during sewing reverse sewing can be done Reverse sewing will take place while the push...

Page 7: ...ension 7 Adjusting of upper thread tension 1 Upper thread tension can be adjusted by thread tension nut 2 Upper thread is to be adjusted according to the lower thread tension 3 For special fabric sewi...

Page 8: ...wn in the figure and wind the end of the thread clock wise around the bobbin several times then wind the thread on the thread adjuster side coun ter clock wise several times 3 Press lever in the direc...

Page 9: ...ignment of fabrics is less likely to oc cur and yarn severance may be avoided 12 Adjustment of remaining needle thread length after thread trimming 1 Turn the pretension nut and adjust 2 When turned c...

Page 10: ...tandard Di mension A is 0 3mm 3 When Dimension A is too large the three piece of threads will be cut and can cause the needle thread to come out from needle after trimming If too small the thread may...

Page 11: ...A of the cloth cutting knife is positioned 0 0 5 mm below the top face of the needle plate when the knife is in its lowest position 2 Loosen two knife set screws 1 and re place the cloth cutting knif...

Page 12: ...8001 HA316H0070 5 SPECIFICATIONS Note Always use a hook and bobbin case dedicated for the thread trimmer use a high quality bobbin that will not deform Material weight GC1998 MCDZ Max speed 4500rpm St...

Page 13: ...A ARM BED AND ITS ACCESSORIES 11...

Page 14: ...cover 1 A20 HA300B2170 Screw 8 A21 HA300B2160 Screw 4 A22 HA307B0674 Rubber plug 4 A23 HE71B68001 Face plate 1 A24 HE71B78001 Gasket for face plate 1 A25 H6732P8001 Holder 1 A26 H6731P8001 Felt 1 A27...

Page 15: ...e 1 A63 HA106B0675 Thread guide 1 A64 H6725B8001 Pin 1 A65 HA115B7011 O ring 1 A66 HA115B0708 Screw 1 A67 HA310B0703 Thread tension regulator bushing 1 A68 HA115B0706 Thread take up spring 1 A69 HA115...

Page 16: ...B NEEDLE BAR AND THREAD TAKE UP MECHANISM 14 14...

Page 17: ...ad take up lever assy 1 B17 H6710I8001 Thread take up lever link 1 B18 H6711I8001 Thread take up crank 1 B19 H6712I7101 Needle bar link assy 1 B20 H6715I8001 Screw 1 B21 HA104C0658 Needle bar holder 1...

Page 18: ...C FEEDING AND FEED LIFTING MECHANISM 16 16...

Page 19: ...C22 H9106D8001 Feed lifting rock shaft 1 C23 H6708D7101 Gear large 1 C24 H6705E8001 Lever feed eccentric cam 1 C25 H6720E8001 Needle bearing 1 C26 H8807D8001 Belt pulley lower 1 C27 H431060080 Screw...

Page 20: ...1 C56 H6726E8001 Screw 1 C57 HA706C11B2 Pin 2 C58 HA7311C606 Screw 1 C59 H6707E8001 Feed rock shaft crank 1 C60 H6748B8001 Oil seal 1 C61 H8829B8001 Bushing 1 C62 H8807E8001 Feed rock shaft 1 C63 H007...

Page 21: ...D STITCH REGULATOR MECHANISM 19 19...

Page 22: ...8 HA720F0685 Bushing 1 D19 HA720F0686 Screw 1 D20 HE71G68001 Spring 1 D21 H6710E8001 Pin 1 D22 H8830B8001 Bushing 1 D23 HE71G27101 Screw bar assy 1 D24 H8810G8001 Shaft 1 D25 HA307C0662 Screw 2 D26 HE...

Page 23: ...8 H6713E8001 Feed regulator shaft 1 D49 H6723E8001 Coil spring 1 D50 H431050060 Screw 2 D51 HG50G68001 Reverse stitching lever block 1 D52 H4906G8001 Spanner 1 D53 H4939L8001 Spring 1 D55 HE71G18001 S...

Page 24: ...E KNIFE MECHANISM 22...

Page 25: ...2 E17 H5735F8001 Screw 2 E18 H5715F8001 Pin 1 E19 H5716F8001 Spring 1 E20 H007013015 E type stop ring 2 E21 H5717F8001 Knife release lever 1 E22 H5718F8001 Pin 1 E23 H5719F8001 Knife driving rod clut...

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

Page 27: ...01 Link 1 F19 HM026E8001 Screw 1 F20 HE71J58001 Knee lifter lever right 1 F21 HE71J68001 Screw 1 F22 HA706N0663 Nut 1 F23 HE71J98001 Spring 1 F24 HA107H0662 Pin 1 F25 H4739E8001 Pin 1 F26 HE71J78001 L...

Page 28: ...Fig No Part No Description Pcs Remarks F44 H6706J8001 Bracket plate 1 F45 H6707J8001 Upper thread guide 1 F46 HA7311CH06 Screw 1 F PRESSER FOOT MECHANISM 26...

Page 29: ...G THREAD TRIMMER MECHANISM 27 27...

Page 30: ...3K8001 Washer 1 G20 H8805K8001 Shaft 1 G21 HA113F0684 Screw 3 G22 H6713K8001 Stopper lever 1 G23 H6735K8001 Screw 1 G24 H6711K8001 Bracket plate 1 G25 H6736K8001 Screw 2 G26 HA706N0664 Washer 1 G27 HA...

Page 31: ...G50 HA7311CH06 Screw 1 G51 H6721K8001 Thread trimmer driving lever 1 G52 HA712N6910 Flexible wire holder 1 G53 HA712N0699 Screw 1 G54 HA712N6911 Flexible wire presser 1 G55 HA712N6912 Screw 2 G56 HA7...

Page 32: ...H TOUCH BACK AND DETECTOR MECHANISM 30 30...

Page 33: ...Screw 2 H10 H8805L7101 Cord assy 1 H11 HA704O0657 Rubber plug 1 H12 HA704O0658 Insulator seat 1 H13 HA704O0655 Screw 1 H14 HA704O6510 Screw 2 H15 HA7641B319 Terminal pin 2 H16 HG50N68001 Connector cap...

Page 34: ...I MOTOR MECHANISM 32 32...

Page 35: ...tor 1 I11 HG52O18001 Screw 2 I14 HG52O08001 Pulley 1 I15 HG52O38001 Screw 1 I18 HE71B98001 Plate for guide 1 I19 HG51B98001 Sensor 1 I20 HZ11030080 Screw 2 I21 HG51B88001 Switch plate 1 I22 HA104G0656...

Page 36: ...J OIL LUBRICATION MECHANISM 34 34...

Page 37: ...18 HA705C0662 O ring 1 J19 HA100I2090 Screw 10 J20 H6708P8001 Oil pipe connector 2 J21 H8807P8001 Oil pipe 2 J22 H6715P8001 Oil pipe connector 2 J23 H8807P8008 Oil pipe 1 J24 H6714P8001 Pipe holder 5...

Page 38: ...K ACCESSORIES 36 36...

Page 39: ...K14 HA300J2060 Vibration preventing rubber 2 K16 Needle set 4 DB 1 14 K18 HB00001020 Hexagon socket screw key 2 1 K19 HB00001030 Hexagon socket screw key 3 1 K20 HA300J2200 Screw driver middle 1 K21...

Page 40: ...ail sales highlead com cn http www highlead com cn SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO LTD Overseas Business TEL 86 21 64853303 FAX 86 21 64854304 The description covered in this manual is s...

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