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HIGHLEAD GC24698-25L, Instruction Manual, Page: 1 / 37

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Parts Catalog

SHANGHAI HUIGONG NO.3 SEWING MACHINE FACTORY

GC24698-25L/-25R

Long Arm Post Bed Compound Feed Split

Lockstitch Sewing Machine

Instruction Manual

Summary of Contents for GC24698-25L

Page 1: ...Parts Catalog SHANGHAI HUIGONG NO 3 SEWING MACHINE FACTORY GC24698 25L 25R Long Arm Post Bed Compound Feed Split Lockstitch Sewing Machine Instruction Manual...

Page 2: ...ad tension 4 8 Adjustment of pressure of presser foot 4 9 Timing between rotating hook motion and needle motion 4 10 Adjustment of Feed dog height 4 11 Walking foot and presser foot vertical stroke ad...

Page 3: ...ye guard are installed do not operate the machine without these safety devices 2 Precautions before starting operation 1 Never operate the machine before filling the machine s oil pan 2 When a new sew...

Page 4: ...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...

Page 5: ...take up lever located at the upper most position pass each thread in the order in Fig 8 Note Pressing the upper thread loosening button the upper thread can be pulled out easily 5 Adjustment of stitc...

Page 6: ...hen needle is lifted 2 4mm from the lower dead point the following position relationship should be maintained The upper edge of needle eye should be 2 3mm below the hook point The hook point should be...

Page 7: ...ical strokes of presser feet become minimum when the crank rod is moved upward and set 4 After the adjustment tighten the special nut The vertical strokes of presser feet can be adjusted within a rang...

Page 8: ...e outside B To adjust the force slide the timing belt loosen the set screw and turn the eccentric pin C After the adjustment tighten the set screw Specifications Model Spec GC24698 25R GC24698 25L Mat...

Page 9: ...A ARM BED MECHANISM 7...

Page 10: ...read guide 1 1 A11 HA307B0673 Rubber plug 1 1 A12 H4715H8001 Push button 1 1 A13 H4714H8001 Spring 1 1 A14 H007013050 E type ring 1 1 A15 H2000M0090 Cap 3 3 A16 H3200B2100 Screw 1 1 SM9 64 40 6 5 A17...

Page 11: ...B THREAD TENSION REGULATOR MECHANISM 9...

Page 12: ...umb nut 1 1 B18 H3221B0682 Pin 2 2 B20 HA106B0676 Screw 1 1 9 64 40 6 B19 H3306B0661 Thread guide 1 1 B21 HA310B0702 Tension releasing disc 1 1 B22 H4710C8001 Spring 1 1 B23 HA115B7010 Thumb nut revol...

Page 13: ...C UPPER SHAFT MECHANISM 11...

Page 14: ...4713D8001 Link 1 1 C21 H4714D8001 Pin 1 1 C22 H4716D8001 Spring 1 1 C23 H007013025 E type ring 1 1 C24 H4717D8001 Link 1 1 C25 H4718D8001 Pin 1 1 C26 H4719D8001 Link 1 1 C27 H4715D8001 Pin 1 1 C28 H47...

Page 15: ...D PRESSER FOOT MECHANISM 13...

Page 16: ...25 H4728E8001 Knee lifting lever 1 1 D26 H3100G2130 Screw 1 1 SM1 4 24 7 D27 H4726E8001 Nut 1 1 D28 H4725E8001 Screw 1 1 SM1 4 24 19 D29 HA111G0683 Screw 2 2 SM11 64 40 12 D30 H4723E8001 Guide 1 1 D31...

Page 17: ...8 25R GC24698 25L Remarks D50 H4753E8001 Screw 1 1 SM11 64 40 17 5 D51 H4708D8001 Set screw 2 2 SM1 4 24 13 D52 H7905E8001 Lifting presser 1 D52 H7105E8001 Lifting presser 1 D53 HE204I8001 Finger gusr...

Page 18: ...E THRED TAKE UP LEVER NEEDLE BAR MECHANISM 16...

Page 19: ...ting stud Screw Needle bar Vibrating presser bar 1 1 1 1 1 1 1 1 1 1 1 1 6 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 6 2 1 1 1 1 1 15 64 28 10 15 64 28 12 3 32 56 4 9 64 40 8 5 E23 E24 E25 E26 E27 H3400C202...

Page 20: ...98 25L Remarks E44 H3129F0693 Thread guide 1 1 E45 HA100C2170 Screw 1 1 1 8 44 4 5 E46 H3129F0691 Screw 1 1 3 32 56 2 5 E47 H7106F8001 Vibrating presser foot 1 1 E48 HA700F2100 Screw 1 1 11 64 40 7 E...

Page 21: ...F STICH REGULATOR MECHANISM 19...

Page 22: ...2030 Screw 4 4 11 64 40 8 F18 HA109F0673 Screw 1 1 3 16 28 8 6 F19 HA720F0685 bush 1 1 F20 H7107G8001 Face plate 1 1 F21 HA7421F120 Dial 1 1 F22 HA720F0683 Plate 1 1 F23 HA720F0687 Spring 1 1 F24 HA10...

Page 23: ...G LOWER AND FEEDING SHAFT MECHANISM 21...

Page 24: ...SM1 4 40 4 G21 G22 G23 H3205H0654 H4723H8001 H4727H8001 Screw 1 Ball bearing Bearing holder 1 SM1 4 40 5 1 1 1 1 G24 G25 G26 HA7311C306 H4728H8001 H4729H8001 Screw Washer Screw 3 3 SM9 64 40 7 1 1 1 1...

Page 25: ...050 Bolt 1 1 GB T78 M5 5 G50 H7106H8001 Feed bar 1 1 G51 H3200H2040 Screw 1 1 SM15 64 28 17 G52 H2013J0065 Washer 1 1 G55 H3205H0653 Screw 1 1 SM1 8 44 4 G56 H3205H0652 Felt 1 1 G57 H4743H8001 Feed ba...

Page 26: ...H FEED BAR MECHANISM 24...

Page 27: ...og 1 H01 H7904I8001 Feed dog 1 H02 H7108I8001 Screw 1 1 H03 H7104I8001 Feed bar 1 1 H04 H7105I8001 Square block 1 1 H05 H7106I8001 Screw 1 1 H06 H7113I8001 Screw 1 1 H07 H3208G0675 Nut 1 1 H08 HA300B2...

Page 28: ...I HOOK SADDLE MECHANISM 26...

Page 29: ...Screw 1 1 9 64 40 6 5 I13 H7106J8001 Collar 1 1 I14 H7104J8002 Hook shaft 1 1 I15 H3210F0681 Screw 1 1 M5 6 I16 H7122J8001 Spring 1 1 I17 H3204D6511 Screw 1 1 1 8 44 3 5 I18 H7113J8001 Hook saddle pos...

Page 30: ...J OIL LUBRICATION MECHANISM 28...

Page 31: ...Felt 1 1 J07 H7007J7101 Oil pipe complete 6 6 J08 H32311D606 Holder 4 4 J09 HA106B0676 Screw 10 10 SM9 64 40 4 5 J10 H3200K0170 Holder 4 4 J11 H3200K0160 Holder 2 2 J12 H3200K0180 Oil wick 2 5 35 3 3...

Page 32: ...K ACCESSORIES I 30...

Page 33: ...K ACCESSORIES II 31...

Page 34: ...0656 Screw 4 4 K13 H802080350 Screw 4 4 GB T100 8 35 K14 730 O type belt 1 1 K15 H7013K8001 Oil check 1 1 K16 H7014K8001 Oil check 1 1 K17 H7009K8001 Vinyl cover 1 1 K18 HA300J2210 Screw driver small...

Page 35: ...L PNEUMATIC CONTROL UNIT 33...

Page 36: ...415060200 Screw 4 4 L06 H4914G8001 Pole 1 1 L07 H4913G8001 Feeler 1 1 L08 H4916G8001 Joint 2 2 L09 H415050450 Screw 4 4 L10 H0607N8001 Air cylinder 1 1 L11 H415060200 Screw 2 2 L12 H005008060 Washer 2...

Page 37: ...ness 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 the commodity without no...

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