Global WF 955-AUT Page 1 Instruction & Parts Manual Download | Manualshive

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Summary of Contents for WF 955-AUT

Page 1: ...GLOBAL WF 955 AUT Instruction parts Manual www globalsew com info globalsew com ...

Page 2: ...HE FEED DOG 6 14 RELATIVE POSITION OF THE FEED DOG TO NEEDLE PLATE 7 15 THE POSITION OF THE NEEDLE AND THE NEEDLE HOLE OF THE FEED DOG 7 16 TIMING THE NEEDLE WITH FEED DOG 7 17 ADJUSTING THE HEIGHT OF THE NEEDLE BAR 8 18 TIMING BETWEEN THE HOOK AND THE NEEDLE 8 19 ADJUSTING THE HEIGHT OF THE PRESSER FEET 8 20 TIMING OF THE VIBRATING PRESSER FOOT 9 21 ADJUSTMENT OF THE CLEARANCE BETWEEN FEED FORKED...

Page 3: ... operate the machine before filling it 2 If the machine is lubricated by a drop oiler never operate the machine before lubricating 3 When a new sewing machine is first turned on verify the rotational direction of the balance wheel with the power on The balance wheel should rotate counter clockwise when viewed from the balance wheel 4 Verify the voltage and single or three phase with those given on...

Page 4: ...en resistance or abnormal noise If these exist adjustment ni ust be made accordingly before nm in operation 3 Oiling Fig l 2 3 4 Please do not operate the machine before lubricating well The points with aITow in the fig are oil positions Caution Please use white spindle oil Fig I 0 Fig 2 Lubrication of rotating hook Fig 4 Add the oil from the oil hole l unit to the position 2 Adjusting the lubrica...

Page 5: ...Adjusting of the winding tension The winding tension can be adjusted by tension screw 7 7 REMOVING AND INSERTING THE BOBBIN I Turn the balance wheel lo Ii fl needle bar I lo lhe upper end of its stroke Place the feed dog at thi s side in its travel turning the balance wheel and open the slide plate A Fig I 2 Open on Lhc drip pan and then open the hinged latch with left Lhumb and index finger And p...

Page 6: ...d and turn the balance wheel with our right hand so that bobbin tlu ead may be picked up by needle thread And put their ends of thread back through under the presser foot for starting opcrntion 9 REGULATING THE THREAD TENSIONS For ordinary stitching the tension of the upper and the lower tlu eads should be equal so as to lock both 1e matena 1g 9 If the tension on either th read is stronger than on...

Page 7: ...en altering the lift of the lifting presser foot A Fig 5 tmequally against that of the vibrating presser foot B Fig 5 or vice versa see the instructions ADJUSTING THE HEIGHT OF THE PRESSER FEET 12 STITCH LENGTH ADJUSTMENTS AND REVERSING LEVER Fig 11 Stitch length can be set by turning the detail 2 Numeric figures on the dial show the stitch length in mm The desired numeric figure on the dial shoul...

Page 8: ...ion to the Iced dog 3 Tighten the screw and close the cover 16 TIMING THE NEEDLE WITH FEED DOG Fig IS Fig 16 It is important that the timing relationship between the needle on its downwoard stroke and the feed dog movement is maintained al all times When the scarf of the needle on the downward stroke reaches the top surface of the feed dog the feed dog movement must start When adjustment is requir...

Page 9: ...ollow should be about l 05 to OI nun 1 If the sewing hook should not be timed correctly loosen the three set screws Tum the hook shaft to align the hook point with the center of the needle Re tighten the three set screws and re check the timing of the se ving hook 2 To adjust the clearance between the hook point and the needle hollow loosen the two screws and move the hook to the right or to the l...

Page 10: ...h turning the balance wheel toward you to get correct clearance Upon completion of adjustment tighten the screw which is loosened to touch the feed fork 22 ADJUSTING THE THREAD CONTROLLER SPRING Fig 21 Normallv the thread controller spring I should hold slack of the upper thread until the needle reaches to the goods and it should pause while raising or the needle nnd passing of the upper thread th...

Page 11: ... the stop operation then the plug 12 pins coming from the machine head into the receptacle 24 HOW TO RE SET THE SAFETY CLUTCH MECHANISM Fig 2 The sewing hook and its mechanism are protected by a safety clutch If it should become necessary to re ngaged the safety clutch depress button E Fig 2 in the bed plate of the machine At the same time turn the machine pulley until the locking mechanism re eng...

Page 12: ...rough the hole 3 3 To strengthen the tension of spring 5 turn the screw 4 to the right while to lighten the tension turn the screw to the left 4 Upon completion of adjustment depress the button E Fig 2 At the same time turn the machine pulley until the safety clutch re engages 3 1 4 K 3 I Adjustment of thread trimmer mechanism 1 The thread trimmer mechanism illustrated as Fig 34 IC ixed blade brac...

Page 13: ...n the knife driving shaft 4 The stopper must be secured on the recess in such a way that the knife driving shaft is snug and smoothly rotates in the shaft direction Cam follower Coil spring crank 1 Cam follower crank 2 e e 87 5mm 1 Knife driving Stopper shaft Fig 36 4 Installing the thread trimmer solenoid unit Fig 37 I Operation stroke ofthe thread trimmer solenoid a Standard operation stroke is ...

Page 14: ...the ann 2 With the thread trimrner solenoid activated rotate the thread trimmer cam forward until the cam makes contact with the roller 111en secure the cam 3 With the thread trimmer solenoid deactivated allow the cam follower crank 2 to return to its original position This should create a clearance of 0 5mm l 0mm between the cam and roller end This distance is standard Matching mark A cam 0 5 1 0...

Page 15: ...ts farthest distance the standard engagement of the blade is l 5mm 2 0mm The engagement can be adjusted by properly mounting the drive ann 3 Adjustment of knife engagement pressure a If a thread is poorly cut particularly when it is thick slightly increase the engaging pressure This should solve the problem b The engaging pressure can be adjusted in this way Loosen lock nut B and adjust it by usin...

Page 16: ...A ARM BED AND ITS ACCESSORIES 53 0 o 0 52 a 0 0 10 171 18 16 11 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 17: ...I A20 H3108B0691 Thread guide I I I A21 HA500C2070 Screw I I I SM9 64 40 x5 r nr JjU screw 2 2 2 SM 1 64 40 x5 5 A23 H2000B2040 Cloth guide plate I I 1 A24 HAI06B0676 Screw I 1 I SM9 64 40 x6 A25 HAI06B0675 Thread guide I I I A26 H2400B2080 Screw I 1 I SM3 l 6 28 x 13 A27 H2400B2070 Thread guide I I I A28 H2000M0090 Oil cap I I I A29 H2000M0080 Felt 2 2 2 A30 H3 100G2230 Thread tension releasing p...

Page 18: ... A52 HA300B2170 Screw 2 2 2 SM11 64 40 x9 A53 H4205I0661 Arm side plate 1 A53 H3107B0681 Ann side plate 1 1 A54 H2000820 10 Rubber plug I A54 HA307E0674 Rubber plug I I A55 HA300B2170 Screw 5 5 5 A56 HA300B2160 Screw I 1 1 SM l 64 40 x 10 A57 H3 100B2060 Thread take up lever cover I I I A58 H2400B2 100 Thread guide I I A58 H420680066 Tlu ead tension complete I A59 HA70082060 Screw 2 2 Aull H 11 l ...

Page 19: ...B ARM SHAFT MECHANISM 22 3 27 21 k 28 r 16 29 20 3 2 1 14 17 T 15 14 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 20: ...3 100C2050 Oil wick I I I B20 H3100C2030 Oil wick I I I B21 HAI00C2020 Screw I I I SM15 64 28 x 10 B22 H3100C2020 Hinge pin I I I TV M1AA0 f 1 A 1 nA t I B24 H3100C2040 Slide lever I I I B25 H4200C2060 Needle bar connecting stud I B25 H3 100C2060 Needle bar connecting stud I I B26 HAI00C2070 Set screw I I SM9 32 28 B26 H4206C800 1 Screw I SM9 32 28 B27 H3 00C2130 Arm shat1 oil packing stop screw I...

Page 21: ...Description I I Remarks No 0 0 I I I 0 r r I r z B40 H20 1l C106 Oiling felt presser pin I I I B41 HA 00C2060 Screw I I SM9 32 28 x 2 B41 H4204C0652 Screw I SM9 32 28 xJ2 16 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 22: ...C ROTATING HOOK SHAFT MECHANISM 4 l IA 8 J f31 9 51 30 32 33 3 48 i 2 49 1 45 17 22 21 rn 20 19 18 r8 27 28 26 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 23: ...ght I C J H2009B071 l Felt I I C J H31 18SB204 Felt I C 2 H200012080 Screw I I I SM 64 40 X8 S L IJ HAI JJUU I L tlevel gear tor nooK snail T T l C l4 HA108C0663 Set screw 4 4 4 SM l 4 40 x7 C15 HA I 13D2222 Bevel gear for vertical shal1 lowcr I I I C l6 H2009B07 1l Felt I I I C17 HAI00C2020 Screw I I I SM l S 64 28 x IO C18 H2009B0721 Vertical sha fi bushing lowcr I I I C19 H3 104D065 1 Vertical ...

Page 24: ...53 Hook shatl bushing midclle 1 C39 H3 104B0074 Hook shaft bushing middle complete 1 C40 H200012080 Set screw 1 SM1 l 64 40 x8 5 C41 H3106D0066 Safety clutch complete 1 C42 H3100D2020 Hook shaft right 1 C43 H3 100D2130 Positioner 1 C44 H3100D2140 Screw I C45 H3 100D2120 Positioner I C46 IIA I00C2090 S fCW 2 SM15 64 28 x4 5 C47 H3 100D2 100 Pin I C48 H3 00D2150 Fork I C49 H4 15050 20 Screw I M5x J2...

Page 25: ...D STITCH REGULATOR MECHANISM 18 22 21 20 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 26: ...067 1 Feed regulator screw bar 1 I 1 Dl 2 HA109F0674 O ring 1 I 1 D l3 HI 104F065 1 Dial 1 Dl 3 H3100E2070 Dial 1 1 Dl4 HA109F0673 Screw 1 1 1 SM3 16 28 x8 Dl5 HA100F2070 Rubber plug 1 1 1 Dl6 HA100F2080 Stopper pin 1 1 1 Dl7 HA100F2090 Spring for stopper pin 1 1 I T 1 11 UA n 1 n r _ D19 H2005F0065 Reverse feed lever pin 1 1 1 D20 HA300C2030 Screw 2 2 2 SM1 1 64 40 x8 D21 HA 13F0683 Screw 1 1 1 D...

Page 27: ...E LOWER FEEDING MECHANISM 38 37 36 35 5 6 11 2 1 i u 12 i 0 0 7 16 17 15 14 36 27 29 22 _ _N 30 31 rJ11 32 34 1 8 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 28: ...tl I 1 1 E18 H3100E2050 Screw I 1 I El9 H3100E2180 Nut 1 1 1 1 M4 E20 H3 100E2190 Nut 2 2 2 2 M3 E21 H3 100E2040 Feed forked connection I 1 I E H3 I00E2090 Feed rock shall crank I I 1 E23 HAI00G2070 Feed rock shat1 crank hinge pin 1 I I E24 HA I04F0654 Screw 3 3 3 SM15 64 28 xJO E25 H3 I00E2100 Screw 1 1 I E26 l 12009B0069 Feed litling rock shafl bushing 2 2 2 E27 HA I00C2020 Screw 2 2 2 SMl 5 64 ...

Page 29: ...FEEDING MECHANISM 42 43 47 40 I 39 ti I 35 34 33 _32 25 53 j 52 31 27 29 28 4 m l r 11 5 I I 1 I 54 I 10 6 7 8_ 1 g 24 2 21 I i 20 I I I 16 18 I From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 30: ... H3 100F2300 Needle bar rock frame rock shaft crank connec I I I F20 H3 132F0711 Needle bar rock frame rock shafi crank right I 1 1 F21 H2010J0066 Nut I 1 I F22 H313 1F0703 Needle bar rock frame rock shafi I 1 I F23 H3 126F0683 Oil wick 1 I F24 H4200F20 10 Needle bar adaptor I I F24 H4500F2030 Needle bar adaptor 1 F25 HAI00C2020 Screw I 1 SMI5 64 28 x I0 F26 H3 100F2200 Needle bar rock frame hinge...

Page 31: ... H3100F2330 Lifting eccentric 1 I I F46 H3131F0704 Needle bar rock frame rock shaft crank left I I I F47 HA100B2110 Set screw 2 2 SMl 1 64 40 x5 5 F48 H3100F2340 Guide for slide block I I F49 H3100F2350 Slide block I I F50 H3100F2360 Screw 2 2 SM9 64 40 x7 F51 HA105D0662 Screw 2 2 F52 HA731 IC306 Screw 2 2 F53 H3100F2370 Stop plate I I F54 H3200l2030 Washer I I I 26 From the library of Superior Se...

Page 32: ...G PRESSER FOOT MECHANISM 4 2 I I I o 6 30 I OI 22 38 9 0 20 8 19 18 25 10 I 34 11 I 33 12 I I 15 j 14 I 32 13 27 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 33: ...651 Tension release slide I I I G19 H3100O2050 Tension release spring I I I G20 H3107G0663 Presser bar lifting bracket 1 I 1 G21 H3100G2150 Presser bar spring I I I n TM 11 V l I I G23 H3IO0G2170 Screw I I I G24 H3100G2160 Screw 1 I 1 025 H3 100G2240 Knee lifter lifting lever connecting rod I I I G26 H2000I2160 Nut I 1 I G27 H2000I2150 Knee lifter lifting lever connecting rod joint I I I G28 H2000...

Page 34: ...H KNIFE MECHANISM 29 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 35: ...H21 HA713N0070 Flexible wire complete 1 H22 H003002050 Nut 2 M5 H23 H2208H0681 lm v ihl n wi r P h aen T H24 HA7 121N704 Nut 2 SM9 64 40 H25 HA7121N604 Screw 1 SM9 64 40 x8 5 H26 HA7121N104 Bracket for fixed blade 1 H27 H22121H204 Thread finger 1 H28 HA73 11CH06 Screw 1 SM9 64 40 x8 H29 HA7121N304 Screw 1 SM9 64 40 x5 H30 H4204Hl 111 Fixed blade 1 H3 1 HA704Nl 111 Knife holding bracket saddle 1 H3...

Page 36: ...51 H2206H0661 Stopper lever I H52 HA700N0II0 Coil spring I H53 HA715N071 I Collar 1 H54 HA 05D0662 Screw I H55 HA706N0664 Washer I H56 H2207H067 1 Screw I H57 HA300C2030 Screw 2 H58 HA300I2040 Wire holder I H59 HA300B2170 Screw 2 H60 HA7211N106 Crank 1 I H61 HA7211N206 Crank 2 I H62 H4205C0661 Hinge pin bracket I H63 H4205C0662 Hinge pin I H64 H4205C0663 Pin I H65 H4205C0664 Spring I u LJS 1 A A r...

Page 37: ...I TOUCH BACK AND DETECTOR MECHANISM 32 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 38: ...Cord holder 4 120 HA700Qll050 Cord holder 1 12 1 H2206Ill673 Solenoid 1 122 H2609Ell674 Washer 1 LI 1 1 IV J I L l l _ t 1 _ l I 124 HA300C2030 Screw 4 125 J 10070 13040 Washer 2 126 1IA712N0692 Link stud 1 127 11220400651 Screw 1 128 I1220400652 Stop ring 1 129 IL A703 R00 i6 Detector bracket suppo11er 1 130 I IA703R0067 Washer 1 13 1 I 007009300 Stop ring I 132 IIA700R00 i0 Washer I 133 l l 700R...

Page 39: ... 7 0 1 8 4 00 9 C t 00 0 _ z 0 00 I 10 32 2 I I 33 v i 11 18 4 12 1 20 22 I I BO 5 13 I H 23 t 1 l ft 724 6 14 1 t 31 I i J v I I 25 27 26 16 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 40: ... 3 3 JIS HAIO0J2170 Spanner 1 I 1 J 16 HA200J2030 Thread stand 1 1 1 BZ009 117 H3104H0065 Knee lifter assy I I I J18 HA905S0066 Bobbin winder nechanism 1 I I Jl9 H2008O0070 Belt cover 1 I 1 120 HA300B2170 Set screw 2 2 2 SM l 64 40 x8 J21 HA300B2170 Set screw 2 2 2 SM l 64 40 x8 JL HLUUlSUUbt l ftlell cover with label I I 1 123 HA300J2250 Screw I I 1 M4xJ2 5 124 HA300J2280 Screw 2 2 2 125 HA300B21...

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