HIGHLEAD GC20688-BDCE Series, Instruction Manual Parts Catalog

Page 1: ...Catalog SHANGHAI BIAOZHUN HAILING SEWING MACHINERY CO LTD GC20688 BDCE Serie Compound Feed Heavy Material Lockstitch Sewing Machine Instruction Manual From the library of Superior Sewing Machine Suppl...

Page 2: ...tension 6 7 Installing the needle 6 8 Alternating presser foot movement amount 7 9 Adjusting the presser foot pressure 7 10 Adjusting the stitch length 7 11 Using the manual switches 7 12 Cleaning 7 1...

Page 3: ...is turned off 19 2 Timing of the deactivation of the knife 19 3 Position of the release block 19 4 Lubrication of the eccentric 19 5 Stroke of the knife 19 6 Timing of knife movement 20 7 Knife overla...

Page 4: ...ewing machine is first turned on verify the rotational direction of the pulley with the power on The pulley should rotate counterclockwise when viewed from the pulley 4 Verify the voltage and single o...

Page 5: ...on the control box have signals of function showing and usually different wires have different kinds of joint Caution the pin of synchronizer wire is the same with another two external pins and if th...

Page 6: ...crews 3 2 Install the set plate 2 to the back of the machine arm with the two screws 4 4 Adjusting the needle stop position 1 Adjusting the needle up stop position When the sewing machine stops in the...

Page 7: ...as follows a Turn off the power switch b When the black mark stops in a position over the mark on the belt cover the needle down stop position disc 2 should be turned in the opposite direction as the...

Page 8: ...ter of the material Upper thread tension can be adjusted by thread tension nut 4 and 5 see the picture of above Turn the thread tension nut clockwise to increase the needle thread tension Turn the thr...

Page 9: ...equired Adjust the tension with screw 7 See the picture of above 7 Installing the needle Note Before attach needle be sure to turn off the power 1 Turn the balance wheel by hand to raise the needle ba...

Page 10: ...adjustment dial 3 to set the little stitch length The sewing machine will switch between the two stitch lengths each time the stitch length change switch is pressed 11 Using the manual switches 1 Quic...

Page 11: ...lubrication with the least possible amount of oil Let the sewing machine run approx 2 minutes And run in intervals Hold a piece of paper next to the hook and check if sufficient oil is spun oil onto...

Page 12: ...l be reduced if the tension is reduced the lengths will be increased 15 Back tacking When the reverse lever 1 or the quick reverse switch is pressed during sewing the feed direction will be reversed W...

Page 13: ...surface of the needle plate 2 to the end of the needle bar 1 is 18 5 mm 5 Tighten the screw 3 install the face plate 18 Adjusting the gap between the needle and the rotary hook tip The gap between the...

Page 14: ...the middle of the needle Press needle against hook protection 1 manually The needle should not touch the hook tip 21 Adjusting the needle and feed mechanism timing 1 Horizontal feed direction Set the...

Page 15: ...er rotary hook 2 is 0 5 0 7 mm when the opener 1 is at its closest position to the inner rotary hook 2 1 Turn the machine pulley to move the opener 1 in direction a opening direction and then loosen t...

Page 16: ...ernating presser foot movement amount 1 Maximum alternating presser foot movement amount Carry out the following adjustment to set the maximum alternating movement amounts for the inner presser foot 1...

Page 17: ...esser foot movement dial to the B position d Loosen the screw 3 e Turn the machine pulley toward you to align the tip of the needle and the top of the feed dog with the top of the needle plate f Move...

Page 18: ...ture of above The thread holding spring 1 holds the lower thread after thread trimming to prepare it for the next sewing operation The clearance between the thread holding spring 1 and the side of the...

Page 19: ...e pulley to move the roller 4 of the driving knife arm 3 to the outermost side right side of the thread trimmer cam 5 3 Loosen the bolt 6 4 Move the driving knife 1 so that the distance between the bl...

Page 20: ...reference hole 3 and the center of the roller 4 of the driving knife arm should be in a straight line when the thread take up lever is at the highest position The white point on the pulley and the poi...

Page 21: ...should adjust the torque transmittable from safety clutch 1 Loosen counter nuts 3 2 Adjust torque 3 Tighten counter nuts 3 again 34 Regulate the atmospheric pressure When the air cylinder works normal...

Page 22: ...ife during lifting of the sewing feet with the knee lever Through this setting a lifting of the sewing feet up to a certain position should be made possible e g to turn the material without the knife...

Page 23: ...sults in an optimum clamping effect Loosen screw 6 Insert the wrench through the hole in the housing wall Turn shaft 5 When the knife 9 is at the lower dead center the overlap should be 0 5mm Tighten...

Page 24: ...21 A ARM BED AND ITS ACCESSORIES 48 49 81 w5 79 80 84 69 70 From the library of Superior Sewing Machine Supply LLC...

Page 25: ...nsion stud 1 1 A18 H7212I8001 Washer 1 1 A19 H4715B8001 Plug 2 2 A20 HF965B8001 Fixing clamp 1 1 A21 HF964B8001 Winder shaft 1 1 A22 H401030120 Screw 1 1 M3 12 A23 HF952B8001 Disc 1 1 A24 H5731F8001 P...

Page 26: ...ring for slide plate 1 1 A61 H401020025 Screw 1 1 M2 2 5 A62 H7342C8001 Screw 2 2 A63 H7339C7101 Mounting plate complete 1 1 A64 H4735B8001 Plug 1 1 A65 HF914B8001 Screw M5 12 10 10 A66 HF997B8001 Gas...

Page 27: ...HM41B88001 Crack 1 1 A93 HM41B98001 Screw 1 1 A94 HM42B08001 Screw 1 1 A95 H005014080 Washer 1 1 A96 HE60I77101 Pushing plate 1 1 A97 HM43B28001 Chip funnel 1 1 A98 H7327G8001 Screw 3 3 M4 10 A99 HM43...

Page 28: ...25 B THREAD TENSION REGULATOR MECHANISM 1 I 2 3 5 4 6 49 50 16 17 18 r 19 26 27_ C 28 t 29 30 20 21 23 31 32 From the library of Superior Sewing Machine Supply LLC...

Page 29: ...HF916C8001 Thread guide 1 1 B20 HA310B0705 Tension discs 4 4 B21 HA310B0702 Tension release discs 2 2 B22 HA115B0703 Tension spring 1 B23 HA115B7010 Stopper 2 2 B24 HA310B0701 Tension nut 2 2 B25 H43...

Page 30: ...100 Screw 2 1 B45 HF906C8001 Magnet support 1 1 B46 HF922C8001 Solenoid 1 1 B47 H403050120 Screw 2 2 M5 12 B48 H4710C8001 Tension spring 1 1 B49 H003002040 Nut 1 B50 H003045040 Nut 1 B THREAD TENSION...

Page 31: ...G MECHANISM 1 3 6 8 9 10 11 13 16 17 18 19 21 22 l 4 5 7 12 14 15 20 24 25 26 30 32 33 ft jj lJ 27 4344 50 51 52 53 54 55 53 56 77 78 79 80 57 59 58 60 611 From the library of Superior Sewing Machine...

Page 32: ...ring 1 1 C20 HF932D8001 Ball bearing 1 1 C21 H431060080 Screw 2 2 M6 8 C22 HF929D8001 Bushing 1 1 C23 H431060100 Screw 1 1 M6 10 C24 HF934D8001 Pulley 1 1 C25 H005008080 Washer 1 1 C26 H415080250 Scr...

Page 33: ...72G8001 Screw 1 1 C61 JZDP1700P23 Neddle JZDP1700P23 1 2 DP 17 23 C62 HF931G7101 Needle bar bracket 1 1 C63 H403040100 Screw 1 1 M4 10 C64 HF943G8001 Oil satchel 1 1 C65 HF947G8001 Oil wick 3 3 C66 HF...

Page 34: ...31 D PRESSER FOOT MECHANISM 80 81 67 68 69 70 71 e 72 73 74 75 58 59 60 62 95 From the library of Superior Sewing Machine Supply LLC...

Page 35: ...Inner presser cam 1 1 D20 H428060060 Screw 2 2 M6 6 D21 HF946E8001 Inner presser rod 1 1 D22 HF947E8001 Bearing 1 1 D23 HF948E8001 Rod pin 1 1 D24 HF949E8001 Oil wick 1 1 D25 HF960E8001 Oil wick 1 1...

Page 36: ...Screw 2 2 D81 HF934F8001 Guide 1 1 D82 HF928F8001 Pin 1 1 D83 HF930F8001 Oil wick 1 1 D84 HF932F8001 Screw 1 1 D85 HF979E8001 Stopper claw 1 1 D86 HF939F8001 Oil wick 1 1 D87 H431050100 Screw 1 1 M5 1...

Page 37: ...34 E UPPER FEED LIFTING ROCK SHAFT MECHANISM 16 50 I j__ 38 37 4J f 34 From the library of Superior Sewing Machine Supply LLC...

Page 38: ...HF906F8001 Spreader shaft bush L2 1 1 E19 H424050160 Set screw 1 1 E20 H003002050 Nut 1 1 E21 HF997F8001 Stopper 1 1 E22 HE61F88001 Crack 1 1 E23 H415060160 Screw 1 1 M6 16 E24 HE60F58001 Set screw c...

Page 39: ...688 DCE GC20688 BDCE Remarks E55 H428060160 Screw 1 1 E57 H415040550 Screw 4 4 E58 H005008040 Spring washer 4 4 E59 H005004040 Washer 4 4 E UPPER FEED LIFTING ROCK SHAFT MECHANISM From the library of...

Page 40: ...37 F STITCH REGULATOR MECHANISM 1 n 30 31 21 23 24 57 56 55 From the library of Superior Sewing Machine Supply LLC...

Page 41: ...Reverse stitching arm U 1 1 F22 HF934H8001 Pin 1 1 F23 H428060060 Bolt 1 1 M6 6 F24 HF927H8001 Collar 1 1 F25 HF933H8001 Rod 1 1 F26 H007013050 E tpye retaining ring 5 2 2 F27 HF970H8001 Reverse stitc...

Page 42: ...M10 10 F53 H3100D2090 Presser spring 1 1 F54 HF963H8001 Key 1 1 F55 HF966H8001 Oil seal 1 1 F56 HF958H8001 Shaft 1 1 F57 HF967H8001 Oil seal 1 1 F58 HF961H8001 Guide 2 2 F59 H005009050 Elastic washer...

Page 43: ...T MECHANISM 1 2 n if iii 3 J f o 4 37 38 39 86 85 45 46 48 45 51 22 2o 1 _ 87 23 21 I l 34 39 38 37 ffl 42 24 44 41 jr 1 rfl iiiiili l rx L U _jiiiii 47 7 I __________ L__ 69 70 6 77 78 79 80 i From t...

Page 44: ...rew 2 2 G21 HM40I78001 Feed dog 8 1 1 HM41I58001 Feed dog 12 1 1 G22 HF949I8001 Feed bracket 1 1 G23 HF953I8001 Pin 1 1 G24 HF929I8001 Oil seal 3 3 G25 HF924E8001 Feed shaft bushing L 1 1 G26 HF927I80...

Page 45: ...0 E tpye retaining ring 5 2 2 G64 HF961H8001 Slide block 2 2 G65 HF925I8001 Back sylinder connection 1 1 G66 HF960H8001 Pin 1 1 G67 HF917I8001 Lower feed cam 1 1 G68 H428060080 Bolt 2 2 M6 8 G69 HF990...

Page 46: ...43 I HOOK SADDLE MECHANISM 47 48 49 50 51 52 79 80 81 82 35 From the library of Superior Sewing Machine Supply LLC...

Page 47: ...ng knife 1 H22 HF913J8001 Driving knife shaft 1 1 H23 H415050250 Bolt 2 2 M5 25 H24 H005005050 Washer 2 2 H25 HF905J8001 Fixed knife support bracket 1 H25 HE40J68001 Fixed knife support bracket 1 H26...

Page 48: ...rk washer 5 5 H58 HF991J8001 Hook support 1 1 H59 HF90AJ8001 Oil wick 1 1 H60 HF999J8001 Adjusting pin 1 1 H61 HF90BJ8001 Adjusting guide rail 1 1 H62 HF997J8001 Bolt 2 2 H63 HF995J8001 Shaft 1 1 H64...

Page 49: ...Washer 1 1 H87 HF969J8001 Driving gear 1 1 H88 H403030080 Screw 4 4 H89 HC01387018 O ring 1 1 H90 HG164K8001 Bearer 1 1 M4 10 H91 H415040120 Screw 2 2 H92 HG175K8001 Pin 1 1 H93 H007013035 Lock washe...

Page 50: ...47 I OIL LUBRICATION MECHANISM From the library of Superior Sewing Machine Supply LLC...

Page 51: ...HF962K8001 Tape 1 1 I21 HA04042160 Screw 2 2 I22 HF960K8001 Guard plate 1 1 I23 HF956K7101 Valve 1 1 I24 HF955K8001 Main oil pipe 1 1 3 5 110 I25 HF920K8001 Oil joint 2 2 I26 HF921K8001 Oil pipe 1 1 7...

Page 52: ...Oil pipe 1 1 7 5 110 I48 HF926K8001 Support spring 2 2 I49 HF932K8001 Felt part 1 1 I50 HA300I2040 Cable tie 1 1 I51 HF934K8001 Oil pipe 1 1 3 5 250 I52 HF937K8001 Oil pipe 1 1 3 5 600 I53 HE60K88001...

Page 53: ...50 J ACCESSORIES 0 s 4 5 10 6 7 11 12 13 27 32 From the library of Superior Sewing Machine Supply LLC...

Page 54: ...16 HA300J2070 Screw driver L 1 1 J17 HA300J2200 Screw driver M 1 1 J18 HA300J2210 Screw driver S 1 1 J19 HF908L8001 Belt guard R 1 1 J20 HF915L8001 Rubber washer 1 1 J21 H401060120 Bolt 1 1 J22 HF907L...

Page 55: ...52 K PNEUMATIC CONTROL UNIT 4 2 7 3 7 8 10 11 1 2 14 13 32 18 15 17 16 19 20 21 From the library of Superior Sewing Machine Supply LLC...

Page 56: ...1 CN1 K09 H801045200 screw 2 2 K10 HA300J2230 washer 4 4 K11 HE60M47101 pneumatic assy 1 1 K12 HA300I2040 nylon fixer 1 1 K13 HF958M8001 windpipe 2 2 300MM 6 K14 HF914M8001 windpipe 3 3 800MM 4 K15 H4...

Page 57: ...54 L KNIFE MECHANISM s ll 89 78 From the library of Superior Sewing Machine Supply LLC...

Page 58: ...19 HE61N88001 supporting block 1 1 L20 H415040250 screw 1 1 M4 25 L21 H415030140 screw 1 1 M3 14 L22 H005001030 washer 1 1 3 L23 HE61N98001 supporting block 1 1 L24 H415040250 screw 2 2 M4 25 L25 HE62...

Page 59: ...63 HE61N08001 bushing 2 2 L64 HE66N28001 oil nozzle 1 1 L65 H102050300 screw 1 1 M5 30 L66 HE66N38001 collar 1 1 L67 H428040040 screw 1 1 M4 4 L68 H007013070 Retaining ring 1 1 L69 HE66N48001 Setting...

Page 60: ...L90 HE68N68001 link 1 1 L91 H415050100 screw 1 1 L92 HE68N88001 pin 1 1 L93 HE68N98001 block 1 1 L94 HE69N08001 control lever 1 1 L95 HF01080300 hand knob 1 1 M8 30 L96 HE69N18001 block 1 1 L97 H41503...

Page 61: ...21 64854304 E mail highlead online sh cn http www highlead com cn The description covered in this manual is subject to change for improvement of the commodity without notice 2014 09 Printed SHANGHAI...