Global WF 975-LH, Instruction & Parts Manual

Page 1: ...GLOBAL WF 975 LH 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: ...ify the rotational direction of the pulley with the power on the pulley should rotate counterclockwise when viewed from pulley 3 Verify the voltage and single or three phase with those given on the machine nameplate 3 Precautions for operating conditions I Avoid using the machine at abnormally high temperatures 35 C or higher or low temperatures 5 C or lower 2 Avoid using the machine in dusty cond...

Page 4: ...From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 5: ...lamp screw 2 G 4 3 ATTACHING REMOVING THE BOBBIN CASE Fig 5 l Raise lever I of the hook and remove the bobbin case together with the bobbin in it 2 Fit the bobbin case into the hook driving shaft and tilt the lever 4 WINDINGABOBBIN Fig 6 1 Route the thread in the order of A B and C before winding it round the bobbin several times 2 Set bobbin presser I down to bring the winder in contact with the ...

Page 6: ... the bobbin is directed to the right and put it into the bobbin case 2 Pass the thread in threading slit 1 in the bobbin case route it under the tension spring and draw it out from notch Caution As long as the bobbin is correctly the thread in direction A makes tJ ie bobbin rotate in direction B 6 HREADING THE MACHINE HEAD Fig 8 Thread the machine as illustrated in the figure in the order of 1 thr...

Page 7: ...n screw 2 clockwise toward C to increase the bobbin thread tension or counter clockwise toward D to decrease it 10 11 9 THREAD TAKE UP SPRING Fig 12 I To change the stroke of thread take up spring 1 1 Loosen screw 2 in the stopper and move stopper 3 to the right or left 2 Move the stopper to the right to increase the stroke of the thread take up spring or to the left to decrease it 12 1 To change ...

Page 8: ...sser foot Fig 15 The alternate vertical strokes ofthe walking foot and presser foot I Loosen screw 2 ofthe top feed cranL 2 Bring the thread take up lever to its highest position and lower the presser bar lifting lever Move top feed crank 3 to left Ato increase the stroke of the presser foot or to the right B to increase it 14 12 HEIGHT OF THE FEED DOG Fig 16 Feed dog l has been factory adjusted t...

Page 9: ...crew 5 in the hook driving shaft saddle and move the hook driving shaft saddle to the right or left until a cler ance of Oto 0 05 mm is provided between the blade point of the hook and needle 7 After the adjustment securely tighten the screw 6 Then align the blade point ofthe hook with the center ofthe needle and tighten screw 4 in the gear 14 ADJUSTING THE NEEDLE GUARD OF THE HOOK Fig 18 After re...

Page 10: ... Caution Take care not to allow any play in needle bar frame 2 2 Adjusting the relationship between the feed dog and the needle bar 1 Set the feed regulating dial to its minimum value 2 Loosen clamping screw 3 in the feed rock shaft crank 3 Adjust the position ofthe feed dog so that the needle comes to the center ofthe needle hole in the feed dog slightly closer to the operator 17 SAFETY MECHANISM...

Page 11: ...all the timing belt I Installation is carried out analogously in reverse order C 2 The synchronization of the upper shaft and the lower shaft should be guaranteed when assembling the toothed belt When rotating the belt pulley make the thread take up lever on the upper point and then adjust the arrow on the belt pulley bushing to the water level position the belt should be assembled justfollow the ...

Page 12: ...A ARM BED AND ITS ACCESSORIES 09 37 36 9 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 13: ...middle 1 Al7 H2400B2080 Screw 2 3 16 28 X13 Al8 H32 12B0066 Thread guide 1 Al9 H3200B2 100 Screw 1 9 64 40 X6 5 A20 HG2 10B8001 Throat plate base frame 1 A21 H5333B8001 Screw 2 11 64 40 X18 A22 H5340B8001 Throat plate 1 A23 H5341B8001 Screw 2 11 64 40 X15 A24 H5337B8001 Bed slide side plate left 1 A25 H5339B8001 Screw 4 9 64 40 X4 A26 H5334B7101 Bed slide 1 i 27 H5338B800 1 Bed slide side plate ri...

Page 14: ...AD TENSION REGULATOR MECHANISM 01 02 03 04 05 06 07 08 09 10 11 12 13 36 35 34 33 32 31 30 29 28 11 14 15 16 17 21 22 j 1_i 23 24 25 26 27 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 15: ...16 H330082040 Spring 1 B17 HA710B0671 Thumb nut 1 B18 H322180682 Pin 2 B19 HA10680676 Screw 1 9 64 40 X6 B20 H3306B0661 Thread guide 1 B21 HA3 10B0702 Tension releasing disc 1 822 H4710C800 Spring 1 B23 HAI 15B7010 Thumb nut revolution stopper 1 B24 HA3 1080701 Thumb nut l B25 HA31080705 Thread tension disc 2 B26 H322180686 Thread tension stud I 1 4 40 X23 B27 H324818721 Thumb nut l B28 H4713C8001...

Page 16: ...C TAKE UP THREAD AND ARM SHAFT MECHANISM 05 04 07 14 28 3 1 30 03 02 01 20 13 24 41 40 45 51 4 4 46 44 53 52 50 54 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 17: ...20 HA307C0662 Screw 2 1 4 40 X6 2 1 IIG205 D800 I Upper feed driving rod I c 112014 10068 Oil fell I C2 l H2000C2030 Fell retainer I C2 1 H5314C80q l Ann shaft I JC l 115326C800 I Arm shalt bushing middle I I15327C800 I Felt I I1 5332C800 I Feed cam right 1 C28 IIA307C0662 Screw 2 1 4 40 X6 29 115329C800 I Connecting rod for upper f eed 1 r m I1 5330C800 I Felt 1 1 11 1120 1IICI06 Holder 1 l2 11 0...

Page 18: ... Screw I 15 64 28 x8 5 C47 H4714D8001 Pin l C48 H4718D8001 Pin I C49 H4716D8001 Spring for pulley I C50 H007013025 E type stop ring I GB T896 2 5 C51 H4719D8001 Short lever for pulley I C52 H4713D800l Long lever for pulley I C53 H4715D8001 Pin I C54 H4717D8001 Lever for pulley I C55 H4723D8001 Screw 2 l5 64 28 x4 5 15 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 19: ...HOOK SHAFT MECHANISM 22 04 03 61 62 5 6 I 20 45 44 14 27 2 6 28 3 1 t 35 32 g 33 3 9 34 36 T T 37 0 o 3 8 42 0 ffl 46 47 16 54 t 55 1 53 52 59 58 50 51 56 57 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 20: ...1 Needle bar connecting stud 1 D20 H3204D65 13 Felt I D21 HA731 ICD06 Screw I 9 64 40 x8 5 D22 H5322F8001 Thread guide for needle bar I D23 H3129F0691 Screw I 3 32 56 x2 5 D24 H4740F8001 Needle 1 DPxJ7 23 D25 HAIOOC2170 Screw I l 8 44 x4 5 D26 H5320D7101 Rotating hook I KRT34 1NR D27 HIIOOE20 10 Bobbin I BO PF541 D28 H5337D8001 Screw I 9 64 40 x10 D29 H5323D8001 Rotating position guide I D30 H4162...

Page 21: ...I D5 1 HA34110308 Set screw 2 I5 64 28 x7 D52 H4107D0671 Safe clutch bushing 1 D53 H4107D0672 Safe clutch spring 1 1 54 H5309D800 I Safe clutch shaft 1 D55 H609020 120 Safe clutch shaft pin 1 A2x12 D56 HG206E800 1 Rotating hook shaft collar 1 D57 HE05 1C8001 Screw 2 SM1 4 40 x5 5 D58 HG205E800 1 Rotating hook shaft bushing right I D59 H53 19D800 1 Oil wick D60 HA34 1ID308 Screw I I5 64 28 x7 D6 1 ...

Page 22: ...E PRESSER FOOT FEEDING MECHANISM 39 19 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 23: ...w I 3 16 28 E20 H3100G2050 Thread release spring I E21 H3109G065 I Thread release guide assy I E22 HG209F800 1 Presser bar lining lever I E23 1 1310002 130 Hinge screw l l 4 24 x7 E24 HAI00C2l90 Screw 2 Il 64 40 x8 E25 I IG21 0F8001 Screw 2 15 64 28 x I0 1 i6 ll531 8G800I Hanging rod l E27 1153 14G800 1 Screw l 3 l 6 28 x4 5 E28 H4727E800 1 Twist spring I E29 IIG2 l2F800I Screw I E30 H3I00F2070 Wa...

Page 24: ...0 Nut I 7 32 32 E47 H3 112F0662 Nut I 1 4 28 E48 HAI00C2040 Screw I 11 64 40 x5 5 E49 H3 l 15F0671 Screw I 1 4 28 xI6 E50 H5334F8001 Walking bar retaining plate I E51 H2004J0067 Screw 2 9 64 40 x7 E52 H53 15F8001 Walking bar guide roller I E53 HG2 13F8001 Felt 1 21 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 25: ...F STITCH REGULATORMECHANISM 13 58 54 57 22 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 26: ...haft I F20 H5327H8001 Control lever crank I F21 H5343H8001 Screw I 3 64 32 x16 F22 HA341ID308 Screw I 15 64 28 x7 F23 H5323H8001 Control lever crank link A I F24 H5333H800 1 Hinge screw 3 3 l 6 32 x8 5 F25 H5324H800 1 Hinge screw 1 3 16 32 x 3 5 F26 H5322H8001 Feed driving rocker shaft arm I F27 HA104G00l 2 Screw I 3 16 28 x 2 F28 H5325H8001 Nut I 3 16 32 F29 HG207G8001 Tension spring I F30 H5329H...

Page 27: ... 28 x10 F52 HA100F2130 Screw 1 15 64 28 F53 H5332H800 1 Feed lever connecting link B I f54 H5338H800 I Feed regulator bushing I F55 H5335H8001 Hinge pin 1 F56 H5342H800 I Feed lever 1 F57 HA34 11 D308 Screw I l5 64 28 x7 F58 H5336H800 1 Screw 1 l5 64 28 x14 3 F59 HAI13F0683 Screw I 3 16 28 x6 5 F60 HA I13F0684 Screw 2 15 64 28 x8 5 F6 1 H53 12H800I Oil wick 1 F62 H53 IOE800 1 Feed bar support 1 F6...

Page 28: ...G ACCESSORIES QI CID 4f I 09 10 17 18 12 13 11 16 26 27 8 25 24 02 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 29: ...HPGIOOE202 S shaped hook 2 GI9 H4740F8001 Needle 2 DPx l723 j20 l IA300 12070 Screw driver large I 21 I IA300J2200 Screw driver middle I G12 HA300 122 IO Screw driver small I 23 IIIIOOE20 10 Bobbin 2 G24 H200400069 Oil assy I G25 H403080750 Screw 4 M8x75 Ci26 H005001080 Washer 4 G27 11003002080 Nut 4 M8 Ci28 11201500065 Knee lifter 2 i29 l1 802045250 Wood screw 4 4 5x25 i30 11201500067 Set blore I...

Page 30: ...From the library of Superior Sewing Machine Supply LLC www supsew com ...