typical GC0303D Page 23 Operation Instructions Manual Download | Manualshive

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2. Needle bar and thread take-up mechanism

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Summary of Contents for GC0303D

Page 1: ...OPERATION INSTRUCTION PARTS MANUAL DIRECT DRIVE AUTO LUBRICATION UPPER LOWER FEED LOCKSTITCH SEWING MACHINE DIRECT DRIVE AUTO LUBRICATION UPPER LOWER FEED LOCKSTITCH SEWING MACHINE WITH THICK THREAD G...

Page 2: ...12 63391371 POST CODE 215223 Http www typicalwpchina com E mail export typicalwpchina com TYPICAL SEWING MACHINE WANPING MACHINERY CO LTD Please don t adjust and repair the machine by non professional...

Page 3: ...foot pressure Adjusting the thread tension spring Adjusting the upper thread guide Adjusting the presser foot height Adjusting the feed dog height Adjusting the feed dog angle Adjusting the difference...

Page 4: ...Operation Instruction...

Page 5: ...th Needle bar stroke Lifting amount of presser feet Needle By knee Hook Lubrication Motor output By hand Presserfoot liftingheight Medium heavy weight materials 2000 s p m 1800 s p m Large lubrication...

Page 6: ...ns in the work table and the place the machine head onto the head cushions which are on the top of the oil pan corners 4 Tap the rest bar into the table hole NOTE Tap the rest bar securely into the ta...

Page 7: ...osition within a distance of 16mm above the needle plate when the knee lifter plate is fully pressed 8 After adjustment tighten the nut 7 Lubrication Fig 5 1 Oil amount Please fill the oil according t...

Page 8: ...ve the rubber cap A on the top of the 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 1...

Page 9: ...with bobbin into the hook shaft 2 To remove the bobbin case pull the latch and draw the bobbin case out of the hook 11 Winding the bobbin thread Fig 9 1 Turn the power on 2 Place the bobbin onto the...

Page 10: ...ss the thread through the slot and spring plate and finally pull it out of the notch 4 Check that the bobbin should turn clockwise if the thread is pulled 5 Hold the latch and place the bobbin case in...

Page 11: ...itch length in mm The larger the number the longer the stitch length will 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...

Page 12: ...t while the thread end coming out of the bobbin case is held Needle thread tension After adjust the bobbin thread tension adjust the needle thread tension so that a good even stitch seam is obtained 1...

Page 13: ...w 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...

Page 14: ...guide rightward To decrease the thread take up tension Decrease Increase 20 Adjusting the presser foot height Fig 18 The standard height of presser foot is 8mm when it is lifted by hand 1 Loosen the s...

Page 15: ...feed dog Fig B 4 Securely tighten the set screw It s necessary to adjust the feed dog height again after this adjustment 23 Adjusting the difference of stitch length between the forward and backtacki...

Page 16: ...as reference mark make the third screw of eccentric wheel UD slightly lower than the reference mark screw 3 Continue to turn the machine pulley set the second screw of eccentric wheel UD as reference...

Page 17: ...the second reference line B on the needle bar is aligned with the bottom edge of the needle bar bush the tip of the hook should be aimed at the center of needle 1 Turn the machine pulley to raise the...

Page 18: ...of presser feet Adjust the lifting amount of two feet to match the materials to be sewn Loosen the screw and move the screw upward to increase the lifting amount or move the screw downward to decreas...

Page 19: ...t Loosen the screw and reinstall the needle 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...

Page 20: ...Parts Manual...

Page 21: ...6 2 6 3 6 4 6 5 22 23 20 21 18 19 3 5 5 5 2 2 1 12 11 7 9 9 1 9 2 9 4 9 10 9 5 9 6 9 7 9 8 15 16 9 3 9 11 10 4 25 26 24 24 1 24 2 24 3 8 17 16 27 28 13 14 29 30 31 32 34 33 35 38 37 36 1 Casting mech...

Page 22: ...19 20 21 22 23 24 24 1 24 2 24 3 25 26 27 28 29 30 31 32 33 34 35 GB93 6 GB 818 M5X25 17 No Part number Name Qt Remark Face plate Screw Thread guide Thread guide Screw Thread guide assy Thread guide P...

Page 23: ...33 34 36 37 38 23 39 35 8 9 31 1 31 2 18 10 11 32 2 Needle bar and thread take up mechanism...

Page 24: ...le bar and thread take up mechanism No Part number Name Remark Upper shaft Robber cap Collar Screw Bush L Bush M Set screw Bearing R Oil seal Hand wheel Screw Thread take up lever set Thread take up l...

Page 25: ...22 11 21 28 27 29 30 20 3 Presser foot mechanism...

Page 26: ...001 1 Presser bar lifter Screw Lifter crank O ring Lifter lever Guide plate Screw Screw Collecting rod Screw Lever Spring extension Knee lifter bar Spring hook Shoulder screw Bush Presser bar Guide br...

Page 27: ...76 22 4 Feed mechanism...

Page 28: ...length dial 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 36 1 36 2 37 38 39 40 41 42 20T3 008 75WF4 001 36T4 001A1a1 75WF4 005A 51T5 001A6 36T4 0...

Page 29: ...24 76 4 Feed mechanism...

Page 30: ...6 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 2 1 3 1 1 1 1 2 1 2 1 1 1 1 1 1 2 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1 1 25 2 1 3 1 1 1 1 2 1 2 1 1 1 1 1 1 2 1 1 1 1 3 1 1 1 1 1 1 1 1 1 1...

Page 31: ...12 13 14 15 16 17 67 18 19 20 66 1 1 21 22 23 24 25 26 27 28 29 30 31 32 33 34 64 65 37 38 39 40 26 21 35 36 41 42 43 44 45 47 48 61 49 50 51 52 53 54 55 56 57 58 59 60 46 54 55 55 55 19 9 63 62 26 5...

Page 32: ...25 GB T879 1 3 8 GB T117 4 20 7WF5 050 27 2 2 1 1 1 1 1 1 4 2 1 1 1 1 1 1 1 2 4 1 2 1 1 1 1 2 1 1 2 1 1 1 1 1 2 1 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 1 2 3 1 2 1 1 1 1 1 1 1 1 2 1 5 Upper feed mechanism 0...

Page 33: ...29 28 30 6 Hook mechanism...

Page 34: ...1 1 2 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 1 1 1 1 1 1 1 1 1 8 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 1 2 1 2 1 1 1 1 1 1 1 1 1 6 Hook mechanism No Part number Name 0303D 0303DCX Qt Remark Vertical shaft Bevel gear u...

Page 35: ...30 31 15 32 7 Lubrication mechanism...

Page 36: ...2 2 T 1 0 0 3 C 3 2 2 T 1 0 0 3 C 4 2 2 T 1 0 1 5 2 2 T 1 0 1 6 2 2 T 1 0 1 7 2 2 T 1 0 0 8 2 4 1 W F 1 0 0 5 1 3 W F 2 0 3 5 2 4 1 W F 1 0 0 6 2 2 T 1 0 0 6 2 2 T 1 0 0 7 7 W F 4 0 1 1 3 3 T 3 0 0 6...

Page 37: ...26 27 28 25 8 9 11 10 12 13 29 29 30 30 31 32 33 7 34 35 36 37 38 39 32 40 8 Accessories...

Page 38: ...03B7 22T9 003B8 33 DPX17 23 2 GB T5356 1998 3 GB T5356 1998 2 5 GB T5356 1998 GB T5781 M8 12 M8 20 GB896 9 1 1 1 1 4 3 3 1 1 1 1 1 1 1 2 2 2 2 1 1 1 1 1 1 1 1 1 1 2 2 1 1 1 1 1 1 1 1 1 1 8 3 5 8 Acces...

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