Global WF 925/AUT Instruction & Parts Manual Download Page 1

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Summary of Contents for WF 925/AUT

Page 1: ...GLOBAL WF 925 AUT WF 926 AUT Instruction Parts Manual www globalsew com info globalsew com ...

Page 2: ...From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 3: ...ead take up lever mechanism 27 6 Stitch regulator mechanism 30 7 Lower shaft feed rock shaft mechanism 32 8 Hook saddle mechanism 35 9 Knife mechanism I 37 10 Knife mechanism II 39 11 Touch back mechanism detector mechanism 42 12 Oil lubrication mechanism 44 13 Accessories 47 GAUGE PARTS LIAT 50 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 4: ...hread tension 8 11 Adjustment ofpresser foot pressure 8 12 Timing between rotating hook motion and needle motion 8 13 Adjustment offeed dog height 9 I4 Relationship between rotating hook motion and take up lever motion I0 15 Relationship between hook motion and opener motion I0 16 Relationship between needle motion and feed dog motion I0 17 Safety clutch device 11 18 Upper feed adjustment needle s...

Page 5: ...erate the machine without these safety devices 2 Precaution before Starting Operation 1 If the machine s oil pan has an oil sump never operate the machine before filling it 2 Ifthe 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 pu ley with the p_ ower on the pulley should rotat...

Page 6: ...n depends however upon the setting of the internal switch in the control box as described in Paragraph 1 3 CAUTION The green wire must be connected to the ground terminal in o rder to ground the motor properly 8 The appropriate power fuse capacity is as follows Power supply 200V 240V I0A I00V I20V I5A 2 Lamp Leads A When installing the illuminating lamp 6V I5 20W The connecting wire is attached on...

Page 7: ...e as facing to the motor pulley and on when rotating clockwise The rotary direction has been set to counterclockwise as facing to the motor pulley matching with the machine prior to shipping 2 Connection of control box The control box should be connected as shown tothe right Note I Be sure fo turn the power switch off for safety before connecting or disconnecting the conn ctors i The c mbina ion o...

Page 8: ...e machine head into the receptacle CAUTIONS ON USE 1 Oiling 1 Fill the oil reservoir with oil up to H mark Oil level should be periodically checked Ifoil level is found below L level replenish oil to H level For oil Use white spindle oill 2 Oiling 2 When a new sewing machine is used for the first time or sewing machine left out ofu se for considerably long time is used again replenish a suitable a...

Page 9: ...ATION 1 Installation ofneedles Note Before installing the needles be sure to turn off the power Double Needle ln10rtthe needle upto tho bottom ofnttdle clamp endUghton cient tho tcrtw hopingth long groveoido ofnudlt flu to flco moerlion Needlodi tolled Single Needlo c T 0 Long groove tido 2 Winding of bobbin thread X I 0 I Longgrowo loft lido Note When bobbin thread is wound keep the presser foot ...

Page 10: ...d guide A Note When thin slippery thread polyester Thread or filament thread for example is used pass the thread through thread guide B as well j x Ix b With the take up lever located at the upper most position pass each needle thread in the order shown in the following figure Note Pressing the upper thread loosening button shown in the figure below opens the saucer ofthe upper thread tension adju...

Page 11: ...ng of bobbin a Pulling out 5 cm thread tail from the bobbin b Hold the bobbin so that the bobbin thread is would in right direction and put it into the hook 1 1i1 7 Threading of bobbin threads a Put the hook into the bobbin case and press down the latch CD The thread end should be left on the bed b While holding the two needleThreads by left hand rotate the band wheel one turn by right hand By pul...

Page 12: ...otion and needle motion 1 Set feed length stitch length to 6 on the feed setting dial 2 When needle is lifted 2 4mm from the lower dead point as shown in Figure the following positional relationship should be maintained The upper edge ofneedle eye should be 2 3mm below the hook point The hook point should be located at the center ofneedle axis Gap between the hook point and the side face ofneedle ...

Page 13: ...fpresser foot should be adjusted for individual fabric s with the following cautions Fabric will be damaged ifthe feed dog extends too high 1 br pressure7 of presser foot is too large Even stitch length cannot be assured ifthe feed dog is too low or pressure ofpresser foot is too small Feed dog height should be measured at the point where the needle is at the top pos1 tlon For hght fabrics Approx ...

Page 14: ...p when the opener holder is located most remotely from the throat plate b Make sure gap between the bobbin case holder A and the opener is approximately 0 2mm c Ifthe gap is too large or small loosen the opener holder set screw B and adjust position ofthe opener Approx 0 2mm 16 Relationship between needle motion and feed dog motion a Set feed length to O on the feed setting dial b Lean the machine...

Page 15: ...llftlng rocK shan cronk rlghl The arm shaft only wilf rotate Stop the operation ofmachine b Clean the thread thoroughly which is caught into the hook c Turn the cog belt hub by hand and check whether the hook Shaft rotates lightly and properly place the clutch device as follows 2 How to set the safety clutch a While pressing down the push button on the opposite side ofbed by left hand turn the bal...

Page 16: ...r feed theoretically becomes equal at the reference line on the horizontal feed shaft crank d Securely tighten the special bolt after adjustment 19 Outside presser foot and inside presser vertical stroke adjustment When fabric with large elasticity is sewn or when thickness offabric changes the vertical stroke movable range ofthe presser feet should be adjusted as follows Adjustment Sp ciolbol a L...

Page 17: ...obbin case holder stopper a Turn the balance wheel by hand until needle reaches the Lowest position b With the needle at the lowest position depress cam follower crank turn the balance wheel until the movable knife reaches the extremity of its stroke c Manually rotate the inner hook in the direction indicated by arrow in Figure and adjust gap between the movable knife Monable knife and the inner h...

Page 18: ... balance wheel comes in line with the black mark point on the ann To adjust loosen two tension r i aS cam clamp screws A d Opening degree oftension disc should be adjusted with the tension release roller B mounted on the convex portion ofthread release cam as shown in Fig To adjust loosen the screws C and draw the wire e Make fine adjustment by loosening the nut D f Loosen the nut D and make the o...

Page 19: ...og and needle damp Since he throat plate and feed dog are special parts designed for thread trimming machine be sure to use those specified by us 2 Lean the machine head backward 3 Loosen tvfo connecting link clamp bolts j 4 Remove the spring M 5 Loosen the hook bracket clamp screws A and B and adjust gap between each needle and hook 6 When the needles and hooks have been adjusted install the spri...

Page 20: ... Needle bar stroke 36 mm Presser foot stroke l6 mm by Leg 8 mm by hand Vertical stroke of upper feed 2 6 mm Needle No DPX 17 23 Hook Horizontal full rotating Large Thread take up lever Slide lever Stitch adjusting Dial system Lubrication system Automatic lubrication Motor Clutch motor 370W I Servo motor 550W Needle Standard 8_ mm gauge Special 3 2 4 4 8 6 4 9 5 12 7 16 19 25 4 mm Note Some materia...

Page 21: ...A ARM BED AND ITS ACCESSORIES 29 28 2 2 27 26 H t tt 25 t 1 il 6 7 2 8 9 10 35 34 33 32 17 ___ 11 0 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 22: ...I I 1 I Al7 H4724B8001 Plate I 1 I I A 18 H4725B8001 Thread guide 1 I I 1 Al9 H3200B2100 Screw 1 1 1 1 SM9 64 C40 x6 5 A20 HA300B2190 Screw 2 I 2 I SMl 1 64 40 x8 All H3200B2120 Screw 1 I SM9 64 C36 x6 5 A22 H3000D2160 Screw 1 I 1 I SM9 64 40 x6 5 A23 H4726B8001 Thread guide middle I 1 I I A24 H472788001 Face plate I I I 1 A25 H2400B2080 Screw 2 2 2 2 SM3 l6 28 xI1 A26 H2400B2070 Thread guide uppe...

Page 23: ...B THREAD TENSION REGULATOR MECHANISM 1 2 3 14 15 16 17 18 19 I 50 49 37 36 19 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 24: ...180682 Pin 2 3 2 3 B21 H3306B0661 Thread guide 1 I I I B22 HA10680676 Screw I I I I SM9 64 40 x6 B23 HA31080702 Thread tension releasing plate I 2 1 2 824 H4710C8001 Thread tension spring I 2 I 2 825 HAI 1587010 Thumb nut revolution stopper I 2 I 2 B26 HA31080701 Thumb nut complete I 2 I 2 B27 HA31080705 Thread tension disk 2 4 2 4 B28 H322186816 Pin I I B29 H3221B0689 Thread tension stud I I B30 ...

Page 25: ...I B45 H4805C8001 Thread tension stud I I B46 H3230K0751 Screw I I I I SMI 1 64 40 xt0 B47 H322 1B6817 Pin I I I I B48 H3221B6818 Tension releasing pin 1 I B48 H4916B8001 Tension releasing pin I I B49 H3200B2100 Screw I I I I SM9 64 40 x6 5 B50 H322IB6819 Stopper I I I I _ 21 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 26: ...C ARM SHAFT MECHANISM 7 8 16 17 27 10 32 31 29 22 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 27: ...OOF2130 Screw I I I I SMIS 64 28 xJ4 5 C14 H3205J0662 Bearing I I Cl5 H3205J0661 Collar I I Cl6 HAI 13F0684 Screw 2 2 SMl5 M 28 x8 5 C17 H471ID8001 Pulley I I C18 HAI 10D0672 Screw 2 2 SMI 1 64 28 x J2 c 19 H3200C2030 Cog belt I I I I C20 H4713D8001 Spring plate I I I I C21 H4714D8001 Pin I I I I c22 H4715D8001 Link I I I I C23 H007013025 E type stop ring I I I I GB T896 2 s C24 H4716D8001 Twist s...

Page 28: ...D UPPER SHAFT PRESSER FOOT MECHANISM 38 37 36 35 34 33 9 10 11 121314 24 I From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 29: ... f D19 H4741E8001 Collar I I I I D20 H4742E8001 Screw I I I I SMI 1 64 40 x5 5 D21 H3100G2170 Screw I I I I SMl 4 24 xJ7 D22 H4730E8001 Lever spring I I I I D23 H4729E8001 Screw I I I I SM15 64 28 x79 D24 H4727E8001 Twist spring I I I I D25 H4728E8001 Knee lifting lever I I I I D26 H3100G2130 Screw I I I I SMl 4 24 x7 D27 H4726E8001 Nut I I I I D28 H4725E8001 Screw I I I I SMl 4 24 xI9 D29 HAii lG...

Page 30: ...D46 H4719E8001 Link I I I I D47 HAI00E2150 Screw 2 2 2 2 SM1l 64 40 x I0 D48 H4722E8001 Washer 2 2 2 2 D49 H4721E8001 Bell crank guide 1 1 1 I D50 H4753E8001 Screw I I I I SMI 1 64 40 xt4 S D51 H4708D8001 Screw 2 2 2 2 SM l 4 24 x13 D52 H4757E8001 Lifting presser foot I I D52 H3100G2110 Lifting presser foot I I 26 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 31: ...E NEEDLE BAR THREAD TAKE UP LEVER MECHANISM 2 17 24 23 22 50 5 6 46 P 47 48 49 27 e i I From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 32: ... I E20 H321 l lD604 Screw I I I I SM9 64 40 x8 5 E21 H4724F8001 Needle bar 1 I E21 H4806F8001 Needle bar I I E22 H4725F800I Vibrating presser bar I I I I E23 H3400C2020 Screw I I I I E24 H320012030 Washer I I I I E25 H3400C2010 Needle bar guide I I I I E26 H4726F8001 Vibrating presser bar Iink I I I I E27 H4753E8001 Screw 2 2 2 2 SMl 1 64 40 xl7 5 E28 H4728F8001 Vibrating presser bar guide I I I I...

Page 33: ...I I I E44 H3129F0691 Screw I I SM3 32 C56 x2 5 E45 HAI00C2170 Screw I I SMl 8 44 x4 5 E46 H3129F0693 Thread guide I I E47 H32132D104 Screw 2 2 SM9 64 40 x3 E48 H4739F8001 Needle clamp l 4 I I E49 H4740F8001 Needle I 2 I 2 E50 HA700F2100 Screw I I I I SM 1 64 40 x 29 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 34: ...F STITCH REGULATOR MECHANISM 11 3 4 6 13 16 17 I 24 22 21 20 19 30 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 35: ...50 Guide plate I I FlS HA300C2030 Screw I I SMI 1 64 4 x8 Fl6 H3200F2l 10 Spring I I I I F17 HA700F2030 Pin I I I I Fl8 HA720F0686 Screw I I I I SM3 I6 28 x18 Fl9 HA720F0685 Bushing I I I I F20 H4910G8001 Stitch length indicating plate I I I I F21 HA7421Fl20 Dial I I I I F22 HA720F0683 Stopper pin releasing lever I I I I F23 HA720F0687 Coil spring I I I I F24 HAl09F0671 Screw bar I I I I F26 H3206...

Page 36: ...G LOWER SHAFT FEED ROC KSHAFT MECHANISM 4 5 8 9 10 11 48 52 51 50 49 7 46 37 39 37 36 54 43 42 45 44 41 30 33 32 32 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 37: ...ddle I I I I Gl9 H4725H8001 Bushing I I I I G20 HAI05D0662 Screw I I I I SMl 4 40 x4 G21 H3205H0654 Screw I I 1 I SMl 4 40 x5 022 H4723H8001 Ball bearing I I I I 023 H4727H8001 B aring holder I I I I I_ 024 HA731 IC306 Screw 3 3 3 3 SM9 64 40 x7 G25 H4728H8001 Washer I I I I G26 H4729H800I Screw 1 1 I I M6 027 H003055060 Nut I I I I OB52008 M6 G28 H4731H8001 Feed connection crank right 1 1 1 I G29...

Page 38: ... I I 048 H3221IG205 Bolt 2 2 2 2 SM1 8 40 x7 049 H429050050 Bolt I I I I GB T78 M5x5 050 H3221 IOC05 Feed bar I 0 50 H4805H8001 Feed bar l I 50 H4CJ42H8001 Feed bar I 05 1 H3200H2040 Screw I l I I SM15 64 28 x 17 G52 H2013J0065 Washer I I I I G53 H003002030 Nut I I GB T6170 M3 054 H429030140 Screw I I GBm8 M3xl4 0 55 H3205H0653 Screw I I I I SMl 8 44 x4 056 H3205H0652 Felt I l I I G57 H4743H8001 F...

Page 39: ...H HOOK SADDLE MECHANISM WF925 WF926 WF925 AUT WF926 AUT 7 6 5 9 11 30 31 32 2 12 29 28 31 30 29 28 CZ A 32 35 14 15 16 26 27 26 27 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 40: ...3 1l204 Link I 2 I 2 H16 H3313 11104 Opener bracket I 2 I 2 HI H2004J0067 Screw I 2 I 2 HIS H3200I2030 Washer I 2 I 2 Hl9 H330SI0066 Opener I 2 I 2 H20 H00S0080S0 Spring washer I 2 I 2 GB f93 5 H21 HA104O06S8 Nut I 2 I 2 H22 H331211104 Hook shaft bushing upper I 2 H22 H4909l8001 Hook shaft bushing upper I 2 H23 H3204I06S7 Screw I 2 I 2 SM3 16 28 xJ4 S H24 H331211204 Washer I 2 H24 H491018001 Washe...

Page 41: ...I UPPER FEED ROCK SHAFT MECHANISM 3 2 1 _c_ I l 15 14 1 13 1 1 14 15 11 9 37 4 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 42: ... 08 H4912J8001 Screw I 2 SMl 8 44 x9 2 I09 H4913J8001 Screw I 2 SM9 64 40 x4 5 110 H4914J8001 Spring plate I 2 II I H4915J8001 Screw 3 6 SM3 32 56 x3 8 112 H4916J8001 Reversing spring I 2 113 H4917J8001 Guide I I 114 H4920J8001 Roller I 2 115 H4921J8001 Lever I 2 116 H4922J800I Cover I I 117 H4923J800I Guide right I I 118 H4924J8001 Knife pact right I I 119 H4925J8001 Screw I I SM9 64 40 x9 5 120 ...

Page 43: ...J KNIFE MECHANISM 36 37 38 19 21 re 22 i 8 9 10 24 3 25 1 2 12 30 i 22 39 142 43 47 l49 50 52 56 63 61 64 39 6 7 16 17 18 15 33 l 34 3 5 51 ...

Page 44: ...ut 2 2 GB T6l70 M5 118 HA300C2030 Screw I I SMI 1 64 40 x7 119 H4908K8001 Ann I 120 H4907K8001 Bolt I SMIS 64 28 xt2 5 121 H4906K8001 Link I J22 H4905K800I Screw 2 2 M5 0 5 x7 5 J23 HAIOOH2080 Pin type I I J24 H4946K7101 Thread releasing lever I I J25 H4943K8001 Spring I I J26 H4951K8001 Nut I I SMI 1 64 40 J27 H4954K8001 Nut I I SM3 16 28 128 H4956K8001 Screw 2 2 SMl 8 44 x7 129 H4955K8001 Bushin...

Page 45: ... SMl 4 24 xl6 J55 H4983K8001 Screw I I SMl 4 24 xJ3 156 H4967K8001 Screw 3 3 SM 1 64 40 x7 J57 H4966K8001 Stopper 1 I 158 H4981K8001 Holder I I 159 H003008050 Nut 2 2 GB f6172 I MS 160 H4977K8001 Mounting plate I I J61 H4980K8001 Holder 2 2 J62 H4965K8001 Set plate I I J63 H3700E2Q80 Pin type I I 164 H4969K800 Screw I I SM 1 64 40 x8 5 J65 H4 970K800I Screw I I SMI 1 64 40 x6 J66 H4971K8001 L ver ...

Page 46: ...K TOUCH BACKMECHANISM DETECTOR MECH ANISM 5 6 7 8 9 10 11 12 14 33 32 31 42 ...

Page 47: ... Screw 2 2 SM 5 64 28 x12 Kl4 H4931L8001 Pulley complete I I KIS HA703R0067 Washer I I Kl6 HA703R0065 Detector bracket complete I I Kl7 HA341 ID308 Screw I I SMIS 64 28 x7 KIS H4936L8001 Lever I I Kl9 HA l3F0684 Screw I I SM15 64 28 x7 5 K20 H4937L8001 Screw I I SM15 64 28 x6 K21 H4938L8001 Rubber ring I I K22 H4939L8001 pring I I K23 H4940L8001 Nut 2 2 K24 H4941L800l Screw 2 2 SM15 64 28 xJ4 K25 ...

Page 48: ...L OIL LUBRICATION MECHANISM 123 4 56 78 9 10 1 1 12 _ _____ J 13 _ 32 15 14 1a1116 19 10 36 15 35 34 15 27 26 25 24 23 22 21 44 ...

Page 49: ...SK0696 Oil pipe I I I I Ll9 HI 10012070 Pip I I I I L20 HI I0OI2090 Spring I I I I L21 HI 10012110 Spring holder I I I I L22 H3204D6SIO Screw I I I I SMl 8 44 x4 S L23 H321SK0693 1 Screw I I I I SM9 64 40 xS L24 H321SK0692 Filter I I I I L2S H321SK0694 Screw I I I I SM9 64 40 x L26 H47l8J7101 Mounting plate complete I I I I L27 H321SK069S Holder I I I I L28 H3200K0l70 Holder I I I I L29 HA73 1ICC0...

Page 50: ...L OIL LUBRICATION MECHANISM E E Fig If I f Part No Name N N N N Description No 0 0 0 0 i L44 H473IJ8001 Holder I I I I L45 HA300C2030 Screw I I I I 46 ...

Page 51: ...M ACCESSORIES 13 12 11 14 17 18 15 19 16 r 20 Z4 25 26 40 39 38 37 36 35 34 33 32 47 I I I 10 27 2 8 31 ...

Page 52: ...uide I I Ml7 H3200L0130 Oil can I I I I MIS H3200L0120 Cotton stand I I I I Ml9 H3300L0040 Bobbin winder I I I I M20 H2008O0068 Belt cover I I M21 HA300C2170 Screw 2 2 SMIl 64 40 x8 M22 HA300J2280 Screw 2 2 2 2 SM 1 64 28 x8 M23 HA300J2250 Screw I 1 M4x8 M24 H240586601 Belt cover complete I I M24 H4953N7101 Belt cover complete I I M25 H003008040 Nut I I GBff6I72 I M4 M26 HA30SJ066S Belt cover I I ...

Page 53: ...r ACCESSORIES E r j j I 1 I 0 lf 0 _ I N N N N Description 0 art N Name j Jo 0 0 0 M42 HA100J2180 Vinyl wer 1 1 I I iv143 H l8L0681 Felt I I I I I I I I 49 ...

Page 54: ...474588001 H4749F8001 H4766E8001 H4758F8001 H4753H 8001 H 4749B8001 H4750B8001 WF926 AUT 1 8 3 2mm H 4937B8001 H4741F8001 H 4758E8001 H 4750F8001 H4945H8001 H4732B8001 H4733B8001 5 32 4mm H 4938B8001 H 4742F8001 H 4759E8001 H 4751F8001 H4946H 8001 H4732B8001 H 4733B8001 3 16 4 8mm H493988001 H4743F8001 H4760E8001 H4752F8001 H4947H8001 H 4732B8001 H 473388001 1 4 6 4mm H 491788001 H 4737F8001 H4757E...

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