Global 3995AUT Series, Instruction Manual Book And Parts Book

Page 1: ...INSTRUCTION MANUAL BOOK PARTS BOOK 3995DD 3995AUT Ser is GLOBALSEW COM DIRECT DRIVE TOP AND BOTTOM FEEN LOCKSTTICH SEWING MACHINE WITH AUTOMATIC THREAD TRIMMER ...

Page 2: ...10 22 Adjusting the feed dog height 10 23 Adjusting the feed dog angle 11 24 Adjusting the difference of stitch length between the forward and backtacking 11 25 Adjusting the tension release 11 26 Adjusting the timing of needle and feed mechanism 12 27 Adjusting the rotary hook lubrication amount 12 28 Adjusting the height of needle of needle bar and the timing with hook 13 29 Adjusting the oil pu...

Page 3: ...Operation Instruction From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 4: ...Max stitch length 8mm 112mm Needle bar stroo 37mm Ufting amount 3 5 5 Smm of presser feet Needle DPx17 23 IDPx17 25 Presser footlBvhm J 18mm lifting heightIBy lqiee 16mm Hook Large lubrication hook Lubrication Automatic lubrication Motor power 750W 3 Installing the oil pan Fig 1 1 Insert the two head cushion 2 into the front corners of the oil pan CD 2 Insert the two head cushion into the back cor...

Page 5: ...ne head onto the head cushions which are on the top of the oil pan comers 4 Tap the rest bar into the table hole NOTE Tap the rest bar securely into the table hole if not the machine head will not be safe when it is tilted back 5 Installing the knee lifter assy Fig 3 Insert the knee lifter assy D into the shaft under the oil pan and slightiy tight the screw From the library of Superior Sewing Mach...

Page 6: ... the knee lifter plate is fully pressed 8 After adjustment tighten the nut 7 Lubrication Fig 5 1 0il amount Please fill the oil according to the mark indicated on the oil pan Mark A means the highest position Mark B means the lowest position if the oil amount is lower than the Mark B oil will not be pumped and machine will be jammed 2 Fill the oil Please fill the 18 sewing oil into the oil pan unt...

Page 7: ...e arm and face plate fully lubricate the parts showed by the arrows Install the face plate again lift the presser foot and operate the machine at a lower speed of 1000 lS00spm and observe the oil running through the oil gauge window After one month then the speed can be increased according to the different sewing operation From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 8: ... draw the bobbin case out of the hook 11 Winding the bobbin thread Fig 9 1 Turn the power on 2 Place the bobbin CD onto the bobbin winder shaft 3 Wind the thread several circles around the bobbin in the direction indicated by arrow 4 Push down the bobbin presser arm 5 Life the presser foot 6 Depress the treadle the winding operation will start 7 0nce finished the bobbin presser arm will release au...

Page 9: ...e notch 4 Check that the bobbin should tum clockwise if the thread is pulled 5 Hold the latch and p Iace the bobbin case in the hook I13 Threading the needle thread Fig 11 I Raise the thread take up lever to its highest posistion This will make threading easier and will prevent the thread from coming out at the sewing start Threading as below if the resistance of thread is large hhread trails 5 0m...

Page 10: ...ll be when turn the dial from a larger setting to a smaller setting it will be easy to turn if the reverse lever is pressed down 11s Sewing and backtacking Fig 13 1 Turn the power on 2 Depress the treadle to start sewing When the reverse lever CD is pressed or the backtacking button is on during sewing the feed will be reversed After release the feed will recover to normal 7 I I I o From the libra...

Page 11: ...thread tension adjust the needle thread tension so that a good even stitch seam is obtained 1 Lower the presser foot 2 Adjust by turing the thread tension nut 8 7 Adjusting the presser foot pressure Fig 1 5 Adjusting the presser foot pressure 1 Loosen the lock nut CD 2 Turn the adjusting screw to adjust the pressure of presser foot if it s not enough please tum the screw to increase the pressure T...

Page 12: ... the presser foot 2 Loosen the screw 3 Turn the thread tension bracket to adjust the spring position 4 Tighten the screw The standard tension of the spring is 0 3 0 6N 5 Push the needle thread with your finger until it is slightly higher than the thread tension bracket and so that the upper thread is not pulled out 6 Pull the needle thread down until the spring CD is at the same height with the up...

Page 13: ...ad take up tension 21 Adjusting the presser foot height Fig 19 The standard height of predder foot CD is 8mm when it is lifted by hand 1 Loosen the screw to lift the presser bar 2 Put a measurement gauge with 8mm height under the presser foot 3 Loosen the screw and adjust the height of presser foot 4 Tighten the screw I 22 Adjusting the feed dog height Fig 20 I 1 Set the stitch length maximum when...

Page 14: ...erence of stitch length between the forward snd backtacking Fig 22 1 Remove the rear cover 2 Loosen the screw CD and turn the connecting stud Turn the stud clockwise the forward stitch length will be longer and the backtacking stitch length will be shorter Turn the stud counterclockwise the forward stitch length will be shorter and the backtacking stitch length will be longer 3 Tighten the screw C...

Page 15: ...eel UD slightly lower than the reference mark screw 3 Continue to turn the machine pulley set the second screw of eccentric wheel UD as refernce mark make the third screw J of feed cam slightly higher than the reference mark screw 4 If need a non timing position loosen the three screw of eccentric wheel UD adjust the eccentric cam in the direction of arrow A or B To increase the tension of thread ...

Page 16: ... tip of the hook should be aimed at the center of needle 1 Turn the machine pulley to raise the needle bar CD from its lowest position until the reference line B is aligned with the bottom edge of the needle bar bush When the needle bar moves up 2mm the clearance between the upper pf needle hole and the hook tip should be 1 3 1 Smm 2 Loosen the screw and make the hook tip aimed at the center of ne...

Page 17: ... the materials to be sewm Loosen the screw and move the screw upward to increase the lifting amount of move the screw downward to decrease the lifting amount 3 Adjusting the forward backward clearance of the two feet To keep the front groove of walking foot not strike the rear of the presser foot the clearance of C must be kept about 3mm Loosen the screw of feed arm R and then turn the feed rock s...

Page 18: ...The clearance between fixed knife CD and movable knife shoule be 0 3mm 2 Adjust the position illustrated by the Fig 30 3 Move the bobbin case opener and adjust the holder of fixed knife 3 Thread trimmer cam lever shaft Fig 31 l Install the shaft CD on the machine bed first 2 Install the cam lever Lon the shaft CD as illustrated 3 Slightly turn the shaft CD and install the positioning block as illu...

Page 19: ...en fix the cam 3 Set the solenoid inactive and make the cam lever restore to the original position there should be a 0 5 1 0mm clearance between cam and roller 6 Adjusting the knices Fig 34 l The relation between fixed knife and movable knife The clearance between movable knife CD and needle center is 7 Smm and the clearance betwwwn fixed knife and needle center is 5mm 2 Set the solenoid active th...

Page 20: ...plate 6 Turn the machine pulley and lift the needle above the needle plate check if the needle tip is blunt if yes change a new one 7 Tilt back the machine head 8 Remove the bobbin case 9 Clean the hook with a soft cloth and check if the hook is worn out 10 Take out the bobbin from the bobbin case and clean the bobbin case with a soft cloth 11 Insert the bobbin into the bobbin case and place the b...

Page 21: ...Parts Manual From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 22: ... 14 2 e 14 3 14 14 4 t 14 6 2 3 37 2 37 4 37 1 37 37 5 6 7 5 37 8 37 7 37 10 f 37 9 11 10 18 11 t 16 19 12 14 15 13 35 1 0 42 20 47 f 48 r rr 42 1 42 2 42 3 42 5 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 23: ...t 1 1 14 2 Gll 1 14 2 Tension spring 1 1 14 3 Gll 1 14 3 Thread tension disk presser 2 2 14 4 Gll 1 14 4 Thread tension guide 1 1 14 5 Gll 1 14 5 Tension post 1 1 14 6 Gll 1 14 6 Tension nut 1 1 15 Gll 1 15 Motor asm 1 550W Gll 1 15 Motor asm 1 750W 16 Gll 1 16 Washer 4 4 17 Gll 1 17 Spring washer 4 4 18 Gll 1 18 Screw 4 4 19 Gll 1 19 Hand wheel 1 1 20 Gll 1 20 Screw 2 2 21 Gl2 1 21 Magnets 1 22 G...

Page 24: ... 14 2 e 14 3 14 14 4 t 14 6 2 3 37 2 37 4 37 1 37 37 5 5 6 7 37 8 37 10 37 7 f 37 9 11 10 20 11 t 16 19 12 14 15 13 35 1 0 42 20 47 f 48 r rr 42 1 42 2 42 3 42 5 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 25: ...n 2 2 37 7 Gll 1 37 7 Disc presser 1 1 37 8 Gll 1 37 8 Tension spring 1 1 37 9 Gll 1 37 9 Stopper 1 1 37 10 Gll 1 37 10 Tension nut 1 1 38 Gll 1 38 Set screw 1 1 39 G12 1 39 Magnet cord rubber 1 40 Gll 1 40 Thrad guide 1 1 41 Gll 1 41 Screw 1 1 42 Gll 1 42 Screw 1 1 42 1 Gll 1 42 1 Tension disc 1 1 42 2 Gll 1 42 2 Thrad guide 1 1 42 3 Gll 1 42 3 Pre tension stud 2 2 42 4 Gll 1 42 4 Tension spring ...

Page 26: ...2 Needle bar and thread take up mechanism 14 19 2 1 17 1 21 0 36 2 1 0 27 48 41 46 l 29 22 32 34 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 27: ...ion wheel 1 1 24 Gll 2 24 Needle bar 1 1 25 Gll 2 25 Thread guide 1 1 26 Gll 2 26 Needle 1 1 DP 17 23 27 Gll 2 27 Set screw 1 1 28 G12 2 28 Guide 1 29 Gll 2 29 Slide block 1 1 30 G12 2 30 Screw 2 31 Gll 2 31 Needle bar clamp assy 1 1 31 1 Gll 2 31 1 Needle bar clamp 1 1 31 2 Gll 2 31 2 Set screw 1 1 32 G12 2 32 Screw 1 33 G12 2 33 Wire holder U 1 34 G12 2 34 Wire holder D 1 35 Gll 2 35 Washer 1 1 ...

Page 28: ...3 Presser f oot mecha n1sm 28 27 I I I I I I I 21 I I I I I I 22 8 I I I J 15 s 9 8 3 29 24 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 29: ... 1 15 Gll 3 15 Shoulder screw 1 1 16 Gll 3 16 Bush 1 1 17 Gll 3 17 Presser bar 1 1 18 Gll 3 18 Guide bracket 1 1 19 Gll 3 19 Screw 1 1 20 Gll 3 20 Spring compression 1 Gl2 3 20 Spring compression 1 21 Gll 3 21 Adjusting screw presser 1 Gl2 3 21 Adjusting screw presser 1 22 Gll 3 22 Adjusting nut presser 1 Gl2 3 21 Adjusting nut presser 1 23 Gll 3 23 Presser foot inside 1 1 24 Gll 3 24 Screw 1 1 25...

Page 30: ...4 Feed mech an1sm 26 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 31: ...19 Gll 4 19 Pin 1 1 20 Gll 4 20 Bush L 1 1 21 Gll 4 21 Washer 2 2 22 Gll 4 22 Feed lifting arm 1 1 23 Gll 4 23 Shaft 1 1 24 Gll 4 24 Screw 1 1 25 Gll 4 25 Screw 1 1 26 Gll 4 26 Connecting stud 1 1 27 Gll 4 27 Feed regulator 1 1 28 Gll 4 28 Screw L 1 1 29 Gll 4 29 Screw S 1 1 30 Gll 4 30 Bush 1 1 31 Gll 4 31 Shaft 1 1 32 Gll 4 32 Rubber cap 1 1 015 7 33 Gll 4 33 Pin assy lever 1 1 34 Gll 4 34 Sprin...

Page 32: ...4 Feed mechan ism 28 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 33: ...4 53 Link 2 2 54 Gll 4 54 Set screw 1 1 55 Gll 4 55 Link 2 2 56 Gll 4 56 Shaft 1 1 57 Gll 4 57 Screw 1 1 58 Gll 4 58 Screw 1 1 59 Gll 4 59 Shaft 1 1 60 Gll 4 60 Feed regulator crank 1 1 61 Gll 4 61 Pin shaft L 1 1 62 Gll 4 62 Screw 1 1 63 Gll 4 63 Pin shaft R 1 1 64 Gll 4 64 Stopper 1 1 65 Gll 4 65 Spring 1 1 66 Gll 4 66 Eccentric wheel 1 1 67 Gll 4 67 Screw 3 3 68 Gll 4 68 Holder 1 1 69 Gll 4 69 ...

Page 34: ...per feed mechanism 54 53 s 6 23 2255 21 __ _ 20 3 66 6 5 18 155 33 16 I 6 4 11 65 7 30 30 57 55 48 56 61 68 67 47 50 41 44 1 45 39 38 40 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 35: ...5 16 Roller shaft assy 1 1 17 Gll 5 17 Crank 1 1 18 Gll 5 18 Screw 1 1 19 Gll 5 19 Screw 4 4 20 Gll 5 20 Lever guide 1 1 21 Gll 5 21 Screw 2 2 22 Gll 5 22 Feed lifting arm crank L 1 1 23 Gll 5 23 Pin 1 1 GBll7 86 A4 20 24 Gll 5 24 Nut 1 1 GB173 86 M6 0 75 25 Gll 5 25 Screw 1 1 26 Gll 5 26 Nut 2 2 27 Gll 5 27 Bracket 1 1 28 Gll 5 28 Link 1 1 29 Gll 5 29 Screw 2 2 30 Gll 5 30 Feed lever 1 1 31 Gll 5...

Page 36: ...per feed mechanism 54 53 s 6 23 2255 21 __ _ 20 3 66 6 5 18 155 33 16 I 6 4 11 65 7 32 30 57 55 48 56 61 68 67 47 50 41 44 1 45 39 38 40 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 37: ... 5 48 Bush M 1 1 49 Gll 5 49 Screw 1 1 50 Gll 5 50 Retaining ring C 1 1 GB894 86 25 51 Gll 5 51 Washer 1 1 52 Gll 5 52 Feed arm 1 1 53 Gll 5 53 Feed lifting shaft 1 1 54 Gll 5 54 Bush 2 2 55 Gll 5 55 Screw 4 4 56 Gll 5 56 Collar 1 1 57 Gll 5 57 Screw 2 2 58 Gll 5 58 Bush L 1 1 59 Gll 5 59 Upper feed shaft 1 1 60 Gll 5 60 Screw 1 1 61 Gll 5 61 0 ring 1 1 62 Gll 5 62 Oil seal 1 1 63 Gll 5 63 Spring ...

Page 38: ...6 Hook mechanism 3 18 17 32 22 21 12 15 14 IQ 11 34 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 39: ...Gll 6 14 Filter Gll 6 15 Screw Gll 6 16 Bush lower shaft L G12 6 16 Bush lower shaft L Gll 6 17 Adjusting screw oil Gll 6 18 Adjusting screw Gll 6 19 Collar Gll 6 20 Screw Gll 6 21 Bush lower shaft R Gll 6 22 Screw Gll 6 23 Plunger Gll 6 24 Spring Gll 6 25 Hold plat Gll 6 26 Screw Gll 6 27 B case holder position bracket Gll 6 28 Screw Gll 6 29 Bush lower shaft M Gll 6 30 Holder plate Gll 6 31 Wash...

Page 40: ...7 Lubricat1on mechanism 27 9 t t 3 1 2 4 36 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 41: ...sy 1 1 15 Gll 7 15 Holder 1 1 16 Gll 7 16 Screw 1 1 17 Gll 7 17 Oil tube L 1 G12 7 17 Oil tube L 1 18 Gll 7 18 Oil wick 1 1 CD 19 19 Gll 7 19 Rubber cap 4 4 CD11 8 20 Gll 7 20 Rubber cap 2 2 CDB 8 21 Gll 7 21 Rubber cap 1 1 CD27 22 Gll 7 22 Rubber cap 1 1 CDS 7 23 Gll 7 23 Rubber cap 1 1 24 Gll 7 24 Oil gauge window 1 1 25 Gll 7 25 Back cover 1 1 26 Gll 7 26 Rubber cap 1 1 CD25 5 27 Gll 7 27 Packi...

Page 42: ...8 Thread trimming mechanism 3995AUT 3995CXAUT 2 ca 3 IL 4 so 5 a 62 39 38 t 37 36 34 Jl 30 35 34 1 I 33 32 12 40 30 42 38 64 l 47 48 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 43: ...G12 8 15 Wire holder 1 16 G12 8 16 Terminal pin 2 17 G12 8 17 Pin 1 18 G12 8 18 Retaining ring 2 19 G12 8 19 Tension release wire 1 20 G12 8 20 Nut 2 21 G12 8 21 Tension release lever 1 22 G12 8 22 Screw 1 23 G12 8 23 Nut 1 24 G12 8 24 Holder F knife 1 25 G12 8 25 Lower thread finger 1 26 G12 8 26 Screw 1 27 G12 8 27 Screw 1 28 G12 8 28 Fixed knife 1 29 G12 8 29 Holder M knife 1 30 G12 8 30 Nut 2 ...

Page 44: ...8 Thread trimming mechanism 3995AUT 3995CXAUT 2 ca 3 IL 4 so 5 a 62 39 38 t 37 36 34 Jl 30 35 34 1 I 33 32 12 40 30 42 40 64 l 47 48 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 45: ... block 1 47 Gl2 8 47 Spring 1 48 Gl2 8 48 Screw 2 49 Gl2 8 49 Collar 1 50 Gl2 8 50 Plastic ring 1 51 Gl2 8 51 Thread trimmer cam lever L 1 52 Gl2 8 52 Screw 2 53 Gl2 8 53 Roller 2 54 Gl2 8 54 Nut 2 55 Gl2 8 55 Thread trimmer solenoid base 1 56 Gl2 8 56 Seal washer big 1 57 Gl2 8 57 Screw 3 58 Gl2 8 58 Washer 1 59 Gl2 8 59 Seal washer small 1 60 Gl2 8 60 Connector 1 61 Gl2 8 61 Cover 1 62 Gl2 8 62 ...

Page 46: ...9 Revere stitching mechanism 3995AUT 3995CXAUT 12 42 From the library of Superior Sewing Machine Supply LLC www supsew com ...

Page 47: ... 10 3 Support 1 10 4 G12 9 10 4 Screw 2 10 5 G12 9 10 5 Bracket 1 10 6 G12 9 10 6 Spring 1 10 7 G12 9 10 7 Actuator 1 10 8 G12 9 10 8 Baffle 1 10 9 G12 9 10 9 Screw 2 11 G12 9 11 Solenoid cover 12 G12 9 12 Screw 13 G12 9 13 Washer 14 G12 9 14 Space collar 15 G12 9 15 Pin 16 G12 9 16 Connecting lever 17 G12 9 17 Solenoid lever 18 G12 9 18 Pin 19 G12 9 19 Screw 20 G12 9 20 Cord holder 21 G12 9 21 Cl...

Page 48: ...1O Accessories for model 19 14 5 16 15 44 ...

Page 49: ...ad cushion L 2 2 18 Gll 10 18 Head cushion S 2 2 19 Gll 10 19 Oil tank 1 1 20 Gll 10 20 Thread stand assy 1 1 21 Gll 10 21 Head rest 1 1 22 Gll 10 22 Wrench 1 1 23 Gll 10 23 Wrench 2mm 1 1 2GB T5356 1998 24 Gll 10 24 Wrench 3mm 1 1 3GB T5356 1998 25 Gll 10 25 Wrench 2 5mm 1 1 2 58GB T5356 1998 26 Gll 10 26 Lifter shaft 1 1 27 Gll 10 27 Spring 1 1 28 Gll 10 28 Bracket 1 1 29 Gll 10 29 Adjusting scr...

Page 50: ...OLOBAL GLOBALSEW COM ...