HIGHLEAD GC6-28-1, Instruction Manual

Page 1: ...HIGHLEAD Purchasing Dept Copy GC6 28 1 GC6 28 1H GC6 28 1B High Speed Lockstitch Sewing Machine Instruction Manual Parts Catalog SHANGHAI HUIGONG N0 3 SEWING MACHINE FACTORY...

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Page 3: ...AD GUIDE AND THREAD TENSION 10 16 TIME NEEDLE TO ROTAING HOOK 11 17 REPLACE ROTATING HOOK 12 18 ADJUST THE HEIGHT OF FEED DOG 12 19 ADJUST THE POSITION OF FEED DOG 13 20 TIME FEED MOTION TO NEEDLE MOT...

Page 4: ..._ __A I Ojj B c x Fig 1 3 CONNECT THE CLUTCH LEVER WITH THE PEDAL Fig 2 1 The optimum tilt angle of pedal A is approximately 15 deg 2 Adjust Clutch Cover D so that Clutch Lever C and Draw Bar B run in...

Page 5: ...of oil Line A on the oil reservoir Max oil level Line B on the oil reservoir Min oil level If oil level goes down under line B oil cannot be distributed to each part of the machine thus causing the p...

Page 6: ...out operation for a considerable length of time 1 Remove Red Rubber Plugs A on the top of the ann and replenish sufficient amount of oil 2 Lift Presser Foot B 3 Run the machine at a low speed 2000 250...

Page 7: ...form threading as shown in Fig 6 To draw the bobbin thread hold the end of the needle thread and tum the balance wheel to lower the needle bar and then to lift it to its highest position Pull the need...

Page 8: ...esent a cylindrical shape as shown in Fig 7 a loosen Set Screw B of bobbin winder tension bracket and slide Bracket C leftward or rightward If thread is wound as shown in Fig 7 b move the bracket righ...

Page 9: ...if Reverse Feed lever C is released Fig 8 I I POSITION PRESSER BAR Fig 9 I Loosen lock Nut E and Pressure Regulating Thumb Screw A 2 Remove mbber plug from Face Plate B 3 Loosen Screw C and adjust the...

Page 10: ...e adjusted in accordance with materials thread and other factors In practice thread tension is adjusted according to the stitches obtained The needle thread tension should be adjusted with reference t...

Page 11: ...sion of Thread Take up Spring C to zero then turn Tension Stud B clockwise until Spring C comes to the notch of thread tension regulating bushing and again turn Tension Stud B halfway back countercloc...

Page 12: ...ig 15 a b c d e I In case needle thread tension is too strong or bobbin thread tension is too weak as shown in Fig 15 b turn the thumb nut counterclockwise to decrease the needle thread tension or tig...

Page 13: ...ushing A and meanwhile align the Inner Surface E of the hook and the center of Needle Eye D when the needle bar gets down to its lowest position Fig 17 Fig 18 B Aqjusting the hook point timing Timing...

Page 14: ...sequence Note that Needle B and the convex surface of Hook Positioner A should align with a clearance of 0 5 0 7mm between them 0 5 0 7mm Fig 21 18 ADJUST THE HEIGHT OF FEED DOG Fig 22 23 l Tum balan...

Page 15: ...be sure to tighten Screw A A a b Fig 24 Fig 25 20 TIME FEED MOTION TO NEEDLE MOTION Fig 26 27 28 The standard timing of feed motion to needle motion is that the top of feed Dog C is flush with Throat...

Page 16: ...ange of 2 7mm opening time of the tension discs can be adjusted as follows 1 Remove the rubber plug from the back of arm and loosen Screw A of knee lifter lever left 2 Move the tension releasing cam l...

Page 17: ...sting Screw A as follows 1 Turn Oil Adjusting Screw A clockwise to increase oil and turn Oil Adjusting Screw A counterclockwise to decrease oil 2 Oil Adjusting Screw A adjusts oil amount within 5 turn...

Page 18: ...between feed dog tooth slots Feed dog Hook Feed bar Fig 32 Fig 33 2 Cleaning rotating hook See Fig 33 Swing out the machine head and clean the hook Wipe the bobbin case with soft cloth 3 Cleaning oil...

Page 19: ...A ARM BED AND ITS ACCESSORIES 6 11 5 8 42 43 44 45 46 32 3531 30 25 3329 17 c3 1 6 2827 34 26 4...

Page 20: ...06B0674 Rubber plug 11 8 1 1 1 A08 HAIU6B0674 Rubber plug 11 8 1 1 1 A08 HA106B0674 Rubber plug 11 8 1 1 1 A09 HA106B0675 Thread guide on face plate 1 1 A09 HA607B0671 Thread guide on face plate 1 AlO...

Page 21: ...HA300B2080 Set screw 1 1 1 SM l5 64 28 x6 8 A37 HA100B2140 Thread guide at ann center 1 1 A37 HA600B2050 Thread guide at ann center 1 A38 HA100B2150 Rubber plug Ji 8 8 2 A39 HA300B2090 Rubber plug Ji...

Page 22: ...B NEEDLE BAR THREAD TAKE UP LEVER MECHANISM 21 20 t 1 18 t 25 27 1 10 3 17 8 9 7 30 31 29 15 14 16 12 11 20...

Page 23: ...SM1S 64 28 x10 B11 HAIOOC2030 Thread take up guard 1 B 11 HA300C2020 Thread take up guard 1 B 11 HA600C2020 Thread take up guard 1 Bl2 HA3rnJC2030 Screw 1 I 1 SM l 64 40 x8 Bl3 HA108C066l Needle bar c...

Page 24: ...Part No Description N c i Remarks No u C v u u v v B27 HA500C2040 Needle 1 DBxl 22 B28 HA OOC2170 Needle clamp screw 1 1 1 SM1 8 44 x4 5 B29 HA100C2180 Guide for slide block 1 1 1 B30 HA OOC2190 Set...

Page 25: ...C ARM SHAFT MECHANISM I I I I I I I I I I I 1 23 10 16131514 11 12 1 I I I I I I I I I I I I I I I I I K d J...

Page 26: ...Dl05 Feed and feed lifting eccentric 1 Cl4 HA100B2130 Set screw 2 SM15 64 28 x8 Cl4 HA341 ID308 Set screw 2 2 SM15 64 28 x7 Cl5 HA1411D212 Eccentric sleeve 1 Cl5 HA3411D208 Eccentric sleeve 1 1 Cl6 H...

Page 27: ...D LOWER SHAFT MECHANISM 19 20 __ I __ 2 3 6 25...

Page 28: ...09 HA100E2060 Spring for oil adjuster I I 1 DlO HA311E067 Hook shaft bushing right 1 1 1 Dll HAI 10E0672 Oil pipe for hook shaft bushing 1 1 I Dl2 HA300E2100 Plunger 1 1 1 Dl3 HA300E2110 Plunger sprin...

Page 29: ...E STITCH REGULATOR MECHANISM 4 6 r r 27...

Page 30: ...71 Feed regulator screw bar 1 1 El2 HA109F0674 0 ring 1 1 1 cP 14x2 4 El3 HA109F0672 Dial 1 El3 Hl 104F0651 Dial 1 El3 HA506F0672 Dial 1 El4 HA109F0673 Screw 1 1 1 SM3 16 28 x8 El5 HA100F2070 Rubber p...

Page 31: ...F FEEDING MECHANISM 6 7 1 2 12 18 29 30 35 32 3 23 10 27 29...

Page 32: ...0 C type stop ring 1 1 1 GB T894 l 15 Fl7 HA108G0661 Collar 1 1 1 Fl8 HA105D0662 Set screw 2 1 1 SM1 4 40 x4 Fl9 HA109G0671 Feed rock shaft crank right 1 Fl9 Hl 105G0651 Feed rock shaft crank right 1...

Page 33: ...escription N N Remarks No u u j j F36 HA117G0711 Feed lifting rock shaft crank right 1 F36 HA306G0671 Feed lifting rock shaft crank right 1 1 F37 HAI OOG2070 Hinge pin 1 1 1 F38 HA304G0656 Screw 2 SM3...

Page 34: ...G PRESSER FOOT MECHANISM 9 19 29 32 15 I J 12...

Page 35: ...GlS HA306H0671 Knee lifter connecting rod 1 1 1 Gl6 HA100H2080 Pin for spring 1 1 1 Gl7 HA100H2090 Presser bar bushing 1 1 1 Gl8 HA100C2130 Set screwy 1 1 1 Gl9 HA100H2100 Presser bar 1 Gl9 HA300H2110...

Page 36: ...H OIL LUBRICATION MECHANISM 1l 13 12 ff t t 16 zr o_I 14 I I 15 _J L_ I 34 I JL_J 10...

Page 37: ...er 1 1 1 H06 HA100l2060 Oil pump fitting plate 1 1 H06 H6012I8001 Oil pump fitting plate 1 H07 HA100l2070 Oil adjusting plate 1 1 1 HOS HAI 1110065 Oil pump screen complete 1 1 1 H09 HA100l2090 Screw...

Page 38: ...I OIL RESERVOIR AND OTHER ACCESSOPIES 21 19 21 20 5 36...

Page 39: ...W9 HAI04J0659 Adjusting screw 2 2 2 SMl 5 64 28 x28 IIO HA 04165 0 Lock nut 2 2 2 I11 HA 06J0661 Knee lifter lifting rod 1 I I Il2 HA106J0662 Knee lifter bell crank 1 1 I Il3 HA106J0663 Joint for kne...

Page 40: ...J BOBBIN WINDER MECHANISM 17 19 12 38 7 3 10 9 11 a 6...

Page 41: ...in winder connecting bar 1 1 1 08 OOH2120 Rivet 2 2 2 09 OOH2130 Screw 1 1 1 JlO OOH2140 Bobbin winder stop latch 1 1 1 Jll OOH2140 Adjusting screw 1 1 1 Jl2 OOH2180 Stopper block 1 1 1 Jl3 OOH2150 Fi...

Page 42: ...ACCESSORIES K 40...

Page 43: ...Rubber cushion small 2 2 2 K05 HA OOJ21 0 Oiler I 1 1 K06 HA OOJ2120 Magnet 1 1 1 K07 HA300J2070 Screw driver long 1 1 1 KOS HA300J2200 Screw driver medium 1 1 1 K09 HA300J2210 Screw driver short 1 I...

Page 44: ...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 chang...