HIGHLEAD GM747-3 Instruction Manual Parts Catalog Download Page 24 | Manualshive

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Summary of Contents for GM747-3

Page 1: ...Customer Service Copy HIGHLEAD GM747series HIGH SPEED OVERLOCK SEWING MACHING Instruction Manual Parts Catalog SHANGHAI HUIGONG N0 3 SEWING MACHINE FACTORY...

Page 2: ...ength Adjustment 3 Needle replacement 3 Differential feed ratio adjustment 4 Parts relation and timing 4 I Needle and Needle Plate 4 2 Upper Looper and Needle 4 3 Lo ver Looper and Needle 5 4 Upper Lo...

Page 3: ...ressed inward about 10mm NOTE The dimensions of motor pulley and sewing speed are shown in Table 1 How to operate the new machine Please run the new machine in the first four at 20 less speed than max...

Page 4: ...5 controls the double chain looper thread The tension Nut 2 controls the overlock needle thread The tension Nut 3 controls the upper looper thread The tension Nut 4 controls the 1Ower looper thread 2...

Page 5: ...d cam as clockwise is late for timing of looper thread cam Fig 7 Stitch length adjustment The stitch length adjustment is made according to the sewing fabric differential feed ratio etc Keep pushing t...

Page 6: ...g 1 Needle and Needle Plate Fig 12 When the Needle moves to the highest position the distance between needle point left needle iftwo needle and needle plate is 9 5 9 7mm for standard lift machine or I...

Page 7: ...gap B is 0 2mm When Needle moves to the lowest position the gap between Needle and front Needle guard B if0 1 0 2mm 5 Needle and needle Guard Fig 17 When the Lower Looper point is opposite the center...

Page 8: ...oosen stitches REASON 1 Wrong threading 2 Thread is thicker than Needle hole 3 Tension Disc do not press thread properly 4 Needle thread is not 1ubricated S Wrong setting of Needle and Loopers CORRECT...

Page 9: ...olish or replace new one 6 Replace new Needle 7 Readjust feed dogs 8 Readjust Thread tension nut CORRECT I Readjust thread tension nut 2 Readjust Presser foot pressure 3 Readjust feed dogs 4 Readiust...

Page 10: ...A Frame assemblies 8...

Page 11: ...9 modeltube 1 1 1 20 Ml 20 pin 2 2 2 21 Ml 21 oil screen 1 1 1 22 M1 22 snap ring 1 1 1 23 Ml 23 oil seal I 1 1 1 24 M1 24 oil seal II 1 1 1 25 M1 25 begin pin 4 4 4 26 Ml 26 trade mark plate 1 1 I 27...

Page 12: ...B Cloth plate assemblies 10...

Page 13: ...ring 1 1 1 10 M2 10 cloth plate lower plate 1 1 1 5M2 10 cloth plate lower plate 0 0 0 11 M2 11 washer 1 1 1 12 M2 12 upper looper sealing plate 1 1 1 13 M2 13 upper looper sealing plate washer 1 1 1...

Page 14: ...emblies C Cover ass 12 _...

Page 15: ...sher 1 1 1 16 M3 16A trade mark plate 1 1 1 17 M3 17 oil flow window 2 2 2 18 M3 18 front cover snap guard 1 1 1 19 M3 19 oil guard I 1 1 1 20 M3 20 oil sight gauge washer 1 1 1 21 M3 21 pin 1 l l 22...

Page 16: ...D Main shaft assemblies 14...

Page 17: ...t busing Seal ring main shaft queen shaft bearing oi1 pump worm main shaft bearing shaft end bushing washer main shaft light bushing bearing 80200 bearing cover beari ng cover bearing cover washer pul...

Page 18: ...E Needle bar asseml 1es 16...

Page 19: ...1 17 M5 17 needle bar flame rock shaft crank 0 1 0 5M5 17 throa bar shaft crank 1 0 1 18 M5 18 needle bar connecting rod 1 1 1 19 M5 19 connecting link pin 1 1 1 20 M5 20 washer 1 1 1 21 M5 21 throat...

Page 20: ...de assemblies F Thread gul lH...

Page 21: ...disc guide bushing 1 I I 19 M6 19 thread plate positionign rod 2 2 2 20 M6 20 thread plate barcket 1 I 1 21 M6 21 thread mark guide 1 I 0 5M6 21 thread mark guide 0 0 1 22 M6 22 teat needle guard 1 1...

Page 22: ...asher set screw 1 1 1 8 S005 rear needle guard screw 2 2 2 9 S023 needle guard screw 1 1 1 10 W07 needle guard washer 1 1 1 11 SOl7 thread take up screw 2 2 2 12 S103 snap plate screw I 2 2 2 13 S019...

Page 23: ...G Upper 1ooper assembl 1es 5 21...

Page 24: ...1 20 M7 20 thread holder snap plate 1 1 1 21 M7 21 upper looper shaft slide bar bracket 1 I 1 22 M7 22 oi 1 seal 2 2 2 23 M7 23 oi 1 tube 1 1 1 2 1 Mi 24 oi I tube I 1 I 2ii M7 2f thrm Hl amount regu...

Page 25: ...thread guide screw 2 2 2 13 WOB looper shaft thread guide washer 2 2 2 14 S097 upper looper shaft thread plate screw 1 1 1 15 S062 upper looper shaft thread plate screw I I 1 16 S012 thread holder sn...

Page 26: ...H Lower looper assemblies 24...

Page 27: ...1 1 1 10 MB 10 thread guide 1 1 l 11 MB 11 lower looper thread guide 1 l 1 12 MS 12 lower looper 3 thread guide 1 1 1 13 MB 13 lower looper shaft l 1 0 5M8 l3 lower looper shaft 0 0 l 14 MS 14 lower...

Page 28: ...I Front lower looper assemblies l t 2 26...

Page 29: ...looper shaft rear bushing 0 0 1 10 5M9 10 frong looper shaft 0 0 1 11 5M9 ll driving lever 0 0 1 12 5M9 12 driving crank 0 0 1 13 5M9 13 front looper slide block 0 0 1 11 S005 front looper thread gui...

Page 30: ...J Cam assemblies 28...

Page 31: ...inger 0 I 19 5Ml0 19 thread guide tube bushing 0 0 20 5Ml0 20 thread guide tube 0 I 21 5Ml0 21 thread guide tube clamp 0 2 22 5Ml0 22 thread tension plate holder 0 I 23 5Ml0 23 holder spool I 24 5MJ 0...

Page 32: ...K Differential feed assemblies 30...

Page 33: ...0 i 1 SPa l 1 1 20 MII 20 snap ring 1 1 1 21 M1l 21 spring 1 1 1 22 Mll 22 wash r l I 1 t Ill 2 regal at i11g hlock 1 I I 21 Ill 2 1 washPr 2 2 2 z Ill 2 i fpt d cam 1 I 0 21i II I 20 washt J I I 1 2...

Page 34: ...L Feed dog assemblies 32...

Page 35: ...g crank 1 1 I 22 Ml2 22 differential feed dog holder link 1 I I 23 M12 23 differential feed dog holder link bushing 1 I 1 24 Ml2 24 differential feed dog holder link bushing washet I I I 25 MI2 25 scr...

Page 36: ...M Frimming assemblies 34...

Page 37: ...washer l 1 I 13 M13 13 lower knife holder 1 I 0 5M13 13 lower knife holder 0 0 1 14 M13 14 lower knife holder bushing 1 1 1 15 M13 15 lower knife holder spring 1 1 1 16 Ml3 16 lower knife holder l 1 1...

Page 38: ...N Presser foot assemblies 36...

Page 39: ...r bar bushing 1 1 I 20 M14 20 presser foot lifting spring 1 1 1 21 5M14 21 presser foot spring 0 0 1 22 M14 22 presser foot holder conneting plate 1 I I 23 M14 23 presser foot holder 1 I 1 24 M14 24 p...

Page 40: ...0 Lubrication assemblies 38...

Page 41: ...9 M15 19 oil show bracket 1 1 1 20 M15 20 oil show cleaner link 1 1 1 21 M15 2l oilshow cleaner guard 1 1 I 22 M15 22 oil pan 1 1 1 23 M15 23 oil pan washer 1 1 1 24 M15 24 self adhesive paper 1 I 1 2...

Page 42: ...P Feed snap assemblies 40...

Page 43: ...elt 0 0 1 8 MI6 8 oil wick I I I 9 M16 9 cloth guide holder 1 l 1 10 Mlfi 10 hinge plate I 1 I li Ml6 11 oil felt block I I I 12 MI6 I2 hinge pin I 1 1 13 M16 13 hinge spring 1 1 14 Ml6 14 snap plate...

Page 44: ...Q Thread spool assemblies 42...

Page 45: ...I I 12 Ml7 12 thread guide joint I I I 13 Ml7 13 thread stand holder l I I 14 Ml7 14 thread guide bar l l I l i M17 15 thread spool tray bracket I I I Hi M17 16 thread guide plate l I I 17 M17 17 thr...

Page 46: ...R Plater row material assemblies 44...

Page 47: ...ad shockproof cusion 3 M18 3 screw 4 4 4 4 M18 4 screw 4 4 4 5 M18 5 big washer 12 I2 12 6 MIH 1 plate link bushing 4 4 4 7 MIH 7 row material trough bracket I I I 8 M18 8 row material trough l l I I...

Page 48: ...S Accessories assemblies r 46...

Page 49: ...9 MI9 9 cross screw driver I I I 10 Ml9 10 cross screw driver I I I II MI9 II eross screw driver 1 I I 12 Ml9 12 cross screw driver I I I 13 Ml9 13 screw driver 1 I I 14 Ml9 14 screw driver I I I 15...

Page 50: ...25 A KJ09B E OC27 ll 04 applicable to trousers piperation General sewi for 747 4 thin middle t ick cloth shoulder and 514M2 armpit sewing E919 0440 0095 H445 P253E 4 LP26 KGI42 E KJ13F F26 A KJIIB E D...

Page 51: ...d 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 chan...

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