Jack J?788-3-01 Manual Download Page 1

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开头语

衷心感谢您购买本公司产品！使用缝纫机之

前，请认真阅读此说明书。本说明书介绍了缝纫

机日常使用、维护与安全的有关注意事项。请您

仔细加以保管，以便日后查阅。如产品规格或外

观经过改良可能会与说明书略有不同，恕不另行

通知。

PROLOGUE

Thanking you for your purchase our products

sincerely, please reading the manual book before

operation, the book introduce some points how to

operate, maintenance, and safe. Please keep it

carefully for reading in the further; you will be not

informed if the file has been revised. Please set

sample as standard.

Ⅰ

Summary of Contents for J?788-3-01

Page 1: ...cerely please reading the manual book before operation the book introduce some points how to operate maintenance and safe Please keep it carefully for reading in the further you will be not informed i...

Page 2: ...s the utmost care to produce safe sewing machines and devices operstors should follow these basic safety rules To prevent accidents do not remove safety devices or parts white operating the machine Do...

Page 3: ...lti 8 fll illlll L J tJilt ffil If1 1 t11 h i iliftJllfWi i1 ifiiAJ lfti 1l1 li l8 lt l n f 1 lii iilAtXir t lztlP Dn TJ f i Y 111iSHi 21l ll itr Jt7 9 4i tl ITI Ffll g ff7FT m trLff X iit itfl J Mi R...

Page 4: ...0 Ropalr ren1odeling and adjustment works must only be done by appropriately trainod tachnlclnns or specially skilled personnel Only spore parts d signated byJACK can be used for repairs 9 Tomporfng V...

Page 5: ...i 0 6 T A mm mw tt tt f o 6 T A mm V H J ill Efr NIro ff J o 8 1 tm 1nJJJ i f i6H J JHJtf JI i i67c 1f0 T ljjJl 5 5 Hl9 Ja iSIJ n GA J3 il i iN1 t 31 1 ic F s 9 T ti r tt ill amm o 10 T ti m WmU SH o...

Page 6: ...machine when tillng raising the machine head 7 To avoid possible accidents because of abrupt start of the machine turn off the power to the machine when lilting the machine head or removing the belt...

Page 7: ...t13 Ji i i l J Diff feed ratio 0 ttlltn KJt13 JiJi iJl i Stitch length 0 if 13 Ji i i l i Thread tention 0 i 3 f Ll3 Jf lf jg Cleaning the machine 0 ft Replacing the needle o t tJLnai3 Jfl Checking th...

Page 8: ...totheciagam 52S tl See N o as l 294 202 i 236 1 48r IG t B 8 _ r1 L4 r 20 I I I q I A v A i 183 l i 10 i 234 l olll 4 11 a l IR l tl fn t J t9 i r f 306mm el Jllll tlllll IEFKA l OOICKf f lZillit 3 1...

Page 9: ...H f L v 1 11 111 2 1 ibldillii f 1Jfll T J1 1Ji1Jdlt l 1iiJ fl 2 m 1r u J i 1H 1 Mount the machine head on the machlne rest board 2 Adjust the tension ofthe belt so that ii can be about 2cm bent inwar...

Page 10: ...listed In the table below tiU3J Ull l l n r p m Modelo de maquina Velocidad maxima r p m JK796 788 5 36 6 500 JK796 788 5 38 6 500 JK796 788 5 48 5 500 JK796 788 5 48P2 5 000 JK796 788 5 70 6 500 JK79...

Page 11: ...r J HIGH SPEED SEWING MACHINE OIL ISO bit 1 VG22 llllu1 f tjd Lubrication After filing lhe oil pan the o surface should lie between H and L lines Add oll wllen the oil surface reaches or goes below L...

Page 12: ...nHli EIY 1 HIGH SPEED SEWING MACHINE Ollj ISO f J J t VG22 Uli J f iiJ J IB Manual lublication Apply 2 or3 drops of oil by hand when the machine is used for the first time or has been left unused fors...

Page 13: ...1 l WIJi ifl li 9 t 1M 1ilHrrr 1w ill fli I J ft t f ll fitII J 1 J J Hll illl Jll llll1 J J uf MltJ lllt111 Jft JJ liJJ1 Tum adjusting screw to adjust the presser fool pressure It should be as light...

Page 14: ...ratio t i J i Ji 11 lM tJHll HJ JS J T ij IJ Loosen the nut and move the lever up and l rfii111Ti ill W lfi llf IJ l j YJ it down to obtain the correct differential feed ratio Tighten the nut after po...

Page 15: ...sing the push button turn the hangwheel to seek the position at which the _ C push button goes further into the depth E j c r Then keeping the push button pressed turn the hand Nheel and set the desir...

Page 16: ...tt ilfJiti 1 J 1 JflH 111 l J iil il 1 llJ ttlllil 11 Ill r l l lJtHJi l i f l i1Hrilll W Q I ti tiHf To tighten To loosen 9 Make tension adjustments with the needle thread knob j lhe upper looper kn...

Page 17: ...JJ fJl eqiJiE Cleaning the machine Mainly the slots of the needle plate and the feed rows should be cleaned 10...

Page 18: ...e le carerully to see that the scarf is turded to lhe rear of the mact1 0e e lnsen the needie to the proper depth _ i and fasten securely J e1il 111 1 J iUJJtt u Jrrl fil f lll 1t0CJ lll Ni lfF Be sur...

Page 19: ...il lll ll lfi MAINTENANCE f OURING USE Jt IBe 1 1 Checking the oil circulation OK mttlfl 12...

Page 20: ...m5m 1 MAINTENANC bURtNG use Replacing the oil YLilb J ll Jlk iff ftM fl Tf lfll1 l ii i Replacing the oil one month after the O rstuse X t lli i fif61 Jlll lX and every six months thereaner See p4 IJt...

Page 21: ...i It Tum the handwllool as Iha drawing on lhe 11ghl figure I 1 Tighlen the screw Q f Al JJ t Insert the lower knife See the right figure t 0 14 1 1lJtiEIllll l iil Ill11 1llt Correct angles to resharp...

Page 22: ...10 1 JK788 796 5 70 10 6 JK788 796 5 S6 12 0 JK788 796 6 355 12 0 JK788 796 3 4 if J fif ll Adjustment dimentions 1 l l ui i I JK78B 796 3 01 _ 10 1 I 4 2 _ _ 5 1__ o 9 1 1 _5 _ _ _____ _l _ JK788 796...

Page 23: ...fJLit J l Standard needle JK788 796 3 01 JK788 796 l 13 JK788 796 3 18 2 JK788 796 3 17 JK788 796 4 238 JK788 796 3 S4A Organ DCX27 _ 9 _1_ 9 9 l _ 4 I JK788 796 3 55A I 9 JK788 796 3 180 JK788 796 3...

Page 24: ...796 11 17...

Page 25: ...1 1 7 20609001 209537 Bracket 1 1 0 8 S05019 4510 M6 16 3 Screw 4 4 4 9 P03010 5 5 6 Pin 1 1 1 10 20513008 240325A Pipe 2 2 2 11 P03010 5 5 6 Pin 1 1 1 12 S05016 4511 M6 25 Screw 2 2 2 13 300029 A la...

Page 26: ...19...

Page 27: ...72 752 02 250 788 02 250Front cover 1 1 1 21 20612009 270018A Latch 1 1 1 22 S01006 7009 M3 4 5 Screw 1 1 1 23 20612006 209680 Latch 1 1 1 24 S01031 7017 M4 4 7 Screw 1 1 1 25 20612004 210044 1 Flat s...

Page 28: ...788 796 3 4...

Page 29: ...0 1 23 20603016 270042 Bushing 1 1 1 24 S10008 4538 M4 6 5 Screw 1 1 1 25 20628022 210307 Washer 1 1 1 26 206S20004 7066 M4 3 7 Screw 1 1 1 27 20627002 270043 Lever 1 1 1 28 20627003 270044 Spring 1 1...

Page 30: ...25 23...

Page 31: ...1 204018 Sping wsasher 4 4 4 18 B01007 240552 Bearing 1 1 1 19 20601011 209606 Right cover 1 1 1 20 20622005 240340 O Ring 1 1 1 21 20628001 209607 Plate 1 1 1 22 S01010 7020 M4 8 Screw 3 3 3 23 20608...

Page 32: ...r w l U Jif Jll Refer to the gauge parts list 788 7 5 86 6 355 18 Jo J e e o e 788 796 788 796 1 788 796 5 788 796 6 l it t needle 2 it 2 needle 2 it 2 needle 3 it 3 needle 25...

Page 33: ...09003 209566 92 Needle bar clamp 1 1 1 20 S01029 7013 M3 5 7 5 Screw 1 1 1 21 20603017 209640 Cap 1 1 1 22 20622008 240129 O O Ring 1 1 1 23 S10007 4543 M4 4 Screw 1 1 1 24 20528012 202286 Washer 1 1...

Page 34: ...788 796 3 4 Excepl788 796 3 180 27 788 796 4 43 G ltl Pll l eedle plate chaining off finger 788 796 3 180 i I...

Page 35: ...ket 1 0 0 13 S01028 7012 M3 5 5 7 Screw 1 1 0 14 20601015 204636B Bracket 1 1 0 15 S01030 7014 M3 5 9 7 Screw 2 2 0 16 20622003 240305 Cushion rubber 1 1 1 17 20609007 209541 Bracket 0 0 1 18 S01010 7...

Page 36: ...29...

Page 37: ...1 Upper looper holder bl 1 1 1 15 20623005 179130 05 Felt 1 1 1 16 20626006 179136A Pin 1 1 1 17 206S30011 4545 M3 4 Screw 1 1 1 18 20609009 209589 Base upper lopper h ld 1 1 1 19 S05019 4510 M6 16 3...

Page 38: ...r 111 RH Flff lt il i _ Refer to the gauge parts list 788 796 4 CD _ ll...

Page 39: ...18 209583 Shaft 1 1 1 9 20628006 240338 Washer 1 1 1 10 206S30018 7174 M5 10 Screw 1 1 1 11 20528012 202286 Spring washer 1 1 1 12 20622019 210586A Oil seal 1 1 1 13 20604009 209007 91 Lower looper ho...

Page 40: ...7 33...

Page 41: ...5003 209594 Rod 1 1 1 20 20605004 209555 92 Crank 1 1 1 21 S05018 4533 M6 0 75 12 Screw 1 1 1 22 20626003 271001 Pin 1 1 1 23 S10008 4538 M3 6 Screw 1 1 1 24 B07008 240012 K20 24 10 Needle bearing 1 1...

Page 42: ...IP l4 R tf1 t ga partslist Referto 35...

Page 43: ...1 1 18 S01006 7009 M3 4 5 Screw 4 4 4 19 20602011 209584 Shaft 1 1 1 20 S01035 7082 M4 7 5 Screw 1 1 1 21 20628011 240311 Washer 1 1 1 22 20528018 204107 Washer 1 1 1 23 S10007 4543 M4 4 Screw 2 2 2...

Page 44: ...O fllU J lfHi efer to the ga e parts list 8 788 796 5 10 188 796 ii 5 9 D 788 796 3 4 88 796 5 788 796 ii 788 796 5 16 788 796 3 4 788 7 3 4 788 790 3 4 37...

Page 45: ...n 1 1 0 12 20626015 209675 Pin 0 0 1 13 S01029 7013 M3 5 7 5 Screw 2 2 2 14 20601019 209667 Guide 0 0 1 15 201S12001 5088 SM9 64 40 8 Screw 1 1 1 16 20604015 208851 Lower knife holder 1 1 0 17 2060401...

Page 46: ...J 45 i tJ r s ttU 1 h lga e parts list a Reier to t e 1 0 14 15...

Page 47: ...209452 Lever Foot lift 1 1 1 18 20627008 209458 Sping 1 1 1 19 206S20001 7060 M10 1 5 8 5 Screw 1 1 1 20 20612031 209676 Stopper 1 1 1 21 S01010 7020 M4 8 Screw 2 2 2 22 S01023 7175 M5 24 Screw 1 1 1...

Page 48: ...CD 3 CD 1 e l i a...

Page 49: ...s 1 25 20517010 Needle guard 1 26 20504001 Looper holder 1 27 205S30029 Screw 1 28 20517021 209685 C Front looper holder 1 29 206S11003 1189 SM9 64 40 6 Screw 1 30 20528011 Washer 1 31 205S30030 Screw...

Page 50: ......

Page 51: ...1 S04005 7023A M4 15 5 788 Screw 2 2 2 22 20521013 Oil tube 1 1 1 23 301S30012 Joint screw 1 1 1 24 20601021 209688 9 Oil reservoir 1 1 1 25 201S11031 5318B SM3 8 28 12 Screw 1 1 1 26 20528014 202287A...

Page 52: ...788 796 5 788 796 6 355 ijf 788 796 3 4 2 6 E eep 7R8 9 3 5 r 788 796 3 1 2 788 796 5 6 15...

Page 53: ...15 206S20008 7365 M3 2 5 Screw 1 1 1 16 20612049 209681 Needle thead take up 1 1 1 17 206S30019 7366 M3 2 5 Screw 2 2 0 18 20613007 209684 Thread guide 0 0 1 19 2061204600 200041ZJ Thread retainer 1 1...

Page 54: ...796 D7S8 5 48 1 L 788 6 3 5 a 79fH3 355 L 47...

Page 55: ...2 2 796 2 10 20513002 Thread guide 2 0 0 11 2071100400 Tension spring 1 14 2071100500 Tension spring 1 0 0 796 3 10 20513002 Thread guide 3 0 0 11 2071100400 Tension spring 1 0 0 13 2071100700 Tension...

Page 56: ...B ff l Ffl m i efer to the gauge parts list 49...

Page 57: ...S10002 4514 M5 5 Screw 0 0 1 11 20602019 209585 Shaft 0 0 1 12 20626018 208195 Pin 0 0 1 13 206S30011 4545 M3 4 Screw 0 0 2 14 20609017 208194 Link Looper drive 0 0 1 15 20604020 209569 92 Crank 0 0...

Page 58: ...788 796 5 51...

Page 59: ...2 12 3012016 211388 Spring 0 0 1 13 206S16004 275034 Nut 0 0 1 14 20612056 275035 Thread guide 0 0 1 15 S01031 7017 M4 4 7 Screw 0 0 1 16 20629004 275036 Thread guide 0 0 1 17 S01022 7008 M3 4 Screw 0...

Page 60: ...796 ifJll l I 788 796 3 1 788 796 I b 51...

Page 61: ...dle thread lubricator 1 1 1 15 20617003 210214 Plug 1 1 1 16 S01010 7020 M4 8 Screw 2 2 2 17 20623010 240178 Oil felt 1 1 0 18 20623009 209643 Oil felt 0 0 1 19 201S11009 Screw 1 1 1 20 20128020 Washe...

Page 62: ...788 796 3 01 788 796 4 13 i 55 788 796 2 39...

Page 63: ...20612041 204683 Bracket 1 0 0 19 206S11018 5157 Screw 2 0 0 20 20612042 204460 Plate 1 0 0 21 206S11011 7105 Screw 1 0 0 22 206S11012 7232 Screw 1 0 0 23 206S11010 5077 Screw 1 0 0 24 20628016 201156...

Page 64: ...788 796 5 48 _ 57...

Page 65: ...1 23 30111006 208448 Ratchet 0 0 1 24 301S16006 208447 UA Nut 0 0 1 25 20511008 275518 Lever 0 0 1 26 205S30021 004806 Nut 0 0 1 27 20511007 275520 Bracket 0 0 1 28 20527006 240320 Spring 0 0 1 29 205...

Page 66: ......

Page 67: ...5 206S30013 4905 ST4 19 Screw 4 4 4 6 20631009 205469 PA Waste chute extension 1 1 1 7 20631001 206336 Nut 4 4 4 8 S05017 4575 M8 55 Screw 4 4 4 9 20631007 201477 Spring washer 4 4 4 10 20631003 24056...

Page 68: ...61...

Page 69: ...0382 PA Spool cushion 3 4 5 18 20631015 000383 PA Holder 1 1 1 19 206S30027 4014 Screw 1 1 1 20 206S16006 4803 Nut 1 1 1 21 20631022 000384 Thread guide arm 1 1 1 22 206S30023 4012 Screw 1 1 1 23 206S...

Page 70: ...22 63...

Page 71: ...l i Tundish l I l 9 20131080 ijlf f JACK Tweezers I 1 I lO 20131043 JK795 l9081 l 8mm Wrench 8mm 1 1 I 11 20131042 JK795 l907 f 7mm Wrench 7mm I I I 12 20131041 JK795 I906t f 6mm Wrench 6mm I I I 13 2...

Page 72: ...20619002 20619004 20615013 20615012 20615015 20517016 20534001 2011 7012 JK788 79E 3 4 tii ii Mi f 1 1 788 3 4 GAUGE PARTS LIST J 5 fBI ttt l U li f ff f 1 t tt l l tt MACHINE TYPE GAUGE NEEDLE FEED...

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