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ZJ

927/928

 

HIGH-SPEED FEED-OFF-THE-ARM CHAINSTITCH MACHINE SERIES

 

INSTRUCTION MANUAL AND 

PARTS LIST

Summary of Contents for ZJ927 Series

Page 1: ...ZJ927 928 HIGH SPEED FEED OFF THE ARM CHAINSTITCH MACHINE SERIES INSTRUCTION MANUAL AND PARTS LIST...

Page 2: ......

Page 3: ...nvironment 3 Unpacking and transportation 3 Installation and preparation 3 Operation advert item 4 Maintenance inspection and repair INSTRUCTION MANUAL 5 Warning symbol 5 7 Work table and motor 7 Work...

Page 4: ...ulley rotating direction 19 Thread Tension 19 Adjusting the thread tension 19 20 Stitch Length Adjustment Presser Foot Pressure Adjustment 22 Cleaning 22 Daily cheaning 22 Changing the lubrication oil...

Page 5: ...ipper adjustment 30 Thread release shaft adjustment 30 Lower thread take up timing adjustment 30 Installing the lapper 31 Puller height adjustment Machines with puller 31 Puller timing adjustment Mach...

Page 6: ...wire SAFETY OPERATION Warning label and show tag Warning symbol When the machine is running please make sure eg needle guard belt cover earth wire ect the parts are in the correct places to assure pe...

Page 7: ...e machine is not suitable for working in outdoor or the place where is strong sunlight The machine is not suitable for working in the environment where is full of dust or have causticity or radioactiv...

Page 8: ...the proper sunlight place or reasonable place to installation the machine so make sure the environment comfortable According the motor s instruction to install the motor If the installation is not com...

Page 9: ...e needle or moving parts when you are operating the machine Turn off the electric power when you don t need use the machine When you are operating the machine if the machine get any problems or unusua...

Page 10: ...n 2 1 3 Safety devices Finger guard Thread take up cover Pulley cover etc Please follow the instruction on the labels at all times when using the machine if the labels have been removed or are difficu...

Page 11: ...h Characteristic Needle Thread Type Needle gauge Standard Motor Normal sewing speed spm Two Needles 3200 Three Needles 3000 6 Two Needles Thin Materials Two Needles Medium Materials Three Needles Medi...

Page 12: ...Work table and motor Work table Common Work table Servo Direct Drive Work table 2 1 3 4 5 1 3 5 6 7...

Page 13: ...the correct belt cover which corresponds to the motor being used Select the correct motor from those listed in the above table Be sure to connect the ground if the ground connection is not secure ser...

Page 14: ...t to stuff into a machine base place machine again at the bedplate Assuer the motor belt orller and machine roller in a same lever when fixing the machine The common machine bedplate press to pack ske...

Page 15: ...ewing machine should only be installed by a qualified technician Ask your Brother dealer or a qualified electrician for any electrical work that may need to be done The sewing machine weighs more than...

Page 16: ...s far as possible into the notches in the pulley cover base Furthermore check that the pulley cover base is parallel to the bed if it is not parallel the pulley cover may touch the machine pulley 7 6...

Page 17: ...the presser lifter pedal Connect the ground wire to the sewing m achine head and motor Use the correct type of ground wire and washer Remove lower thread guide holder screw Secure the ground wire to...

Page 18: ...d then install pulley cover B to pulley cover A with the three screws 6 If the machine is being used with the puller attached install the puller belt cover with the two screws 8 8 Place the V belt ont...

Page 19: ...the oil under any circumstances as it can cause vomiting and diarrhoea Keep the oil out of the reach of children The sewing machine should always be lub ricated and the oil supply replenished before i...

Page 20: ...and fill the oil tand with oil Attach the oil hole cover If the machine is being used with the puller attached remove the cover screws and f ill with oil until the level reaches the upper reference li...

Page 21: ...ute to a longer service life for the machine Correct Operation Needles and Threads The needle and threads to be used vary depending on sewing conditions Select the correct ones by referring to the tab...

Page 22: ...s the lower threads as shown in the figure below Threading the upper threads CAUTION CAUTION Pass the lower threads as shown in the figure below 1 3 2 1 2 3 2 3 1 1 2 3 3 2 1 3 2 1 1 1 2 2 3 3 6 5 4 4...

Page 23: ...ifter pedal place a fabric under presser foot and release presser foot lifter pedal Depress treadle to start the machine After sewing the work keep sewing until it reaches thread cutter and then cut t...

Page 24: ...Less tension Less tension Adjust the upper thread tension properly by turning upper thread adjusting screw 1 More tension Less tension 2 Adjust the lower thread tension properly by turning lower thre...

Page 25: ...on keep turning the machine pulley until the desited numeral appears in the c enter of the pulley cover windows The higher the value of the numeral the la rger the stitch length becomes Release the fe...

Page 26: ...ferring to this table Puller feed Fabric with high elasticity Fabric with low elasticity Correct Insufficient Excessive Feed direction Feed direction Neither non alignment not sewing wrinkles Neither...

Page 27: ...looper side plate and clean away any thread scraps and other rubbish After cleaning close the looper side plate Checking Check that the threads are threaded correctly If the tips of the needles are b...

Page 28: ...ith puller Remove the eight screws and then open the puller top cover Draw up all of the lubricating oil inside the machine into the oil bottle Fill the machine with oil until the oil level reaches th...

Page 29: ...istance between the p oint of the needle and the top of the n eedle plate will be 14mm when the ne edle clamp is raised to its highest posi tion Remove the three screws and then rem ove the needle pla...

Page 30: ...and then loosen two s et screws on lower belt wheel Turn the pulley toward yourself until need les come down to the lowest position Tighten two set screws securely and then tighten cap screw Loosen se...

Page 31: ...crew which is at t he rear relative to the up down cam turning direction is aligned with the looper connec ting rod adjustment hole To adjust loosen the set screw which is at t he front relative to th...

Page 32: ...loopers with the centers of the ne edles Loosen the set screw and then raise or l ower the needle guard so that the distan ce from the bottom of the needle guard and the needle is 0 2mm Tighten the s...

Page 33: ...er of the thread release lever thread hole is 7 9mm above the center of the thread hole in the upper thread tension br acket when the needle bar is at its lowest posi tion Turn the pulley until the ne...

Page 34: ...ide the greater will be the upper thread loops Tighten the screw 1 2 Upper thread nipper adjustment for two needles for three needles 1 2 3 Thread nipper cam Adjust so that the maximum clearance betwe...

Page 35: ...e an adjustment so that when the loopers begin moving backward lower thread take up contacts thread and is 7mm up form low er thread take up base 1 Insert screw driver through the adjusting h ole in t...

Page 36: ...or down until puller is 0 1 to 0 2 mm above the top of the neelde plate After the adjustment retighten set screw Puller timing adjustment Machines with puller Reference line 1 2 Make an adjust so tha...

Page 37: ......

Page 38: ...ism Upper threading mechanism 1 3 5 7 9 11 13 17 21 25 35 37 41 45 47 51 57 59 61 Lower threading mechanism Different parts list Gear box haul material wheel Gear box Direct drive haul material wheel...

Page 39: ...Machine frame components 927 928 1 1 2 3 4 6 7 8 9 11 14 15 25 28 16 17 18 19 20 20 21 22 23 31 10 12 29 30 20 24 26 27 928 W 5 32 13...

Page 40: ...R Hinge Screw SM3 57 Font Cover Spring Screw SM3 57 Rubber Cap L Thread Guide Hinge Assy L Font Cover Spring Front Cover 2 Rubber Cap Surveyor s rod Window O Ring Screw SM7 94 Machine frame components...

Page 41: ...Upper shaft mechanism 3 4 6 7 8 9 8 10 11 12 16 17 18 19 20 21 15 16 14 5 1 927 PULLY 928 PULLY 2 13 3 22...

Page 42: ...earing Felt Screw SM9 52 Retaining Ring Washer Bearing Presser Screw SM4 76 Collar Screw M6 Oil Tank Assy Screw SM7 94 O Ring Oil Tank O Ring Oil Gauge Window Oil Gauge Cover Screw SM3 57 Ball Bearing...

Page 43: ...Needle bar mechanism 1 2 3 4 5 6 7 8 11 11 3 12 13 14 15 16 17 19 20 7 7 7 7 22 22 23 21 18 927 THREAD TAKE UP CRANK 9 928 NEEDLE CLAMP 24 25 10 5 927 NEEDLE CLAMP 928 THREAD TAKE UP CRANK...

Page 44: ...Needle Bar GuideAssy Screw SM3 57 Wick Ninpper Needle Bar Clamp Screw SM3 57 Rubber Cap Needle Bar Cork Needle Bar Bush Upper Wick Ninpper Needle Bar Bush Lower Needle Bar 927 Thread Take Up Crank Scr...

Page 45: ...Presser bar mechanism 1 2 3 4 5 6 7 2 3 5 8 7 2 3 5 9 12 13 14 15 16 17 18 19 13 23 21 22 11 10 927 PRESSER BAR 928 PRESSER BAR A 928 PRESSER BAR B 24 25 26 27 30 28 29 31 20 3 32 7 33 33 33...

Page 46: ...ver Rubber Cap Rubber Cap Screw SM4 36 Face Plate Facking Presser Bak Lifter Shoulder Screw Shoulder Screw knee Lifter Lever Chain Rod Hook Chain Twist Spring Nut Washer Presser Plate Spring B Presser...

Page 47: ...mechanism 9 927 ECCENTRIC ADJUSTER 928 ECCENTRIC ADJUSTER 23 22 21 20 19 24 2 1 3 6 9 8 10 2 15 14 13 12 11 18 16 17 26 31 32 25 5 7 4 23 22 21 20 19 24 927 ECCENTRIC WHEEL 27 28 29 30 928 ECCENTRIC W...

Page 48: ...Wheel Screw M6 Presser Bak Lifter Push Button Spring Washer O Ring Ring Screw SM5 95 927 Eccentric Adjuster Eccentric Wheel Outside Pin Spring Rachter Stopper Screw Twist Spring Eccentric Wheel Insid...

Page 49: ...Lower shaft mechanism 1 2 3 4 5 6 7 8 9 10 11 11...

Page 50: ...Lower Shaft Screw SM4 36 Ball Bearing Ball Bearing Ball Bearing Bush Screw M4 Retaining Ring Bearing Presser Screw SM4 76 Screw SM6 35 Ball Bearing 12 Lower shaft mechanism...

Page 51: ...6 37 38 39 21 20 19 18 4 3 2 1 7 10 11 12 13 14 30 34 33 32 31 29 28 27 26 25 23 22 17 16 15 24 5 6 53 927 ECCENTRIC WHEEL 41 927 LOOPER BASE 928 LOOPER BASE 48 47 46 42 43 44 50 45 49 51 52 13 8 9 54...

Page 52: ...per Shaft Looper Shaft Bush B Looper Shaft Bush F Screw SM5 95 Looper Lever Pin Screw SM4 36 Screw SM4 36 Plate LooperConnectingRodAssy Screw SM2 38 Looper Lever Eccentric Wheel Sleeve Looper Connecti...

Page 53: ...6 37 38 39 21 20 19 18 4 3 2 1 7 10 11 12 13 14 30 34 33 32 31 29 28 27 26 25 23 22 17 16 15 24 5 6 12 53 927 ECCENTRIC WHEEL 41 927 LOOPER BASE 928 LOOPER BASE 48 47 46 42 43 44 50 45 49 51 52 15 8 9...

Page 54: ...ric Wheel 928 Eccentric Wheel Screw SM4 36 Screw SM4 36 Looper Holder L Screw SM3 57 Screw SM3 57 Looper Holder L Looper Holder M Looper Holder R Screw SM3 57 Lapper Guide Plate Looper Holder S 16 SM5...

Page 55: ...8 31 30 60 59 58 50 57 56 36 37 38 39 41 40 42 43 44 45 46 47 49 50 51 52 48 53 54 55 17 29 41 40 928 928 12 9 8 7 6 5 4 3 2 9 8 11 9 2 7 U P P E R T H R E A D R E G U L A T O R A S S Y 61 9 2 8 U P P...

Page 56: ...ate Screw SM3 57 Thread Guide Screw SM4 76 Upper Thread Guide Screw SM2 38 Tension Release Shaft UpperThread Tension Bracket Nut SM4 36 Screw Screw SM4 36 Tension Release Crank Screw Tension Release C...

Page 57: ...8 31 30 60 59 58 50 57 56 36 37 38 39 41 40 42 43 44 45 46 47 49 50 51 52 48 53 54 55 17 29 41 40 928 928 12 9 8 7 6 5 4 3 2 9 8 11 9 2 7 U P P E R T H R E A D R E G U L A T O R A S S Y 61 9 2 8 U P P...

Page 58: ...ew Connecting Rod Short Connecting Rod Tension Release Stud Screw SM5 95 UpperThreadGuideBracket Screw SM3 57 Upper Thread Guide SM3 18 5 Screw SM3 18 Thread Tension Disc Spring Screw Upper Thread Tak...

Page 59: ...7 4 20 21 22 22 20 23 24 25 19 18 17 16 15 14 12 11 13 48 4 47 4 41 42 4 43 44 45 46 35 37 38 32 33 40 22 27 26 28 29 30 39 1 928 1 3 2 3 36 31 34 21 19 Lower threading mechanism 49 41 42 4 43 44 45...

Page 60: ...36 L Tr Take UpLeverBracket Lower Thread Guide Screw SM2 38 Lower Thread Presser Thread Release Base Guide Plate Screw SM2 38 Screw SM3 57 Lower Thread Guide Screw SM3 18 Lower Thread Guide Screw SM3...

Page 61: ...0 6 7 4 20 21 22 22 20 23 24 25 19 18 17 16 15 14 12 11 13 48 4 47 4 41 42 4 43 44 45 46 35 37 38 32 33 40 22 27 26 28 29 30 39 1 928 1 3 2 3 36 31 34 19 Lower threading mechanism 49 41 42 4 43 44 45...

Page 62: ...Cover Ra Looper Cover La Looper Cover Lb Lower Thread Feed BarGuide Nut SM4 36 Thread Retainer Thread Guide Disc Spring Nut Arm Thread Guide M Lower Thread Guide Thread Nipper Prop 24 Screw SM3 57 Low...

Page 63: ...m Type 25 TVx64 14 TVx64 14 TVx64 14 TVx64 14 TVx64 14 TVx64 14 TVx64 14 2ZJ104 2ZJ3016 2ZJ108 2ZJ7032 2ZB104 2ZB108 2ZB7032 2YJ104 2YJ3016 2YJ108 2SB104 2SB3016 2SB108 2SB7032 2JB104 2JB3016 2JB108 2...

Page 64: ...3016 2YJ108 2YJ7032 2YJ7032 2SB104 2SB3016 2SB108 2SB7032 2SB7032 2JB104 2JB3016 2JB3016 2JB108 2JB7032 2JB7032 2WZ3016S 2WZ3016L ZJ Needle Clamp JZ Needles ZB Needle Plate YJ Presser Foot Assy SB Fee...

Page 65: ...L 3ZB104H 3PLZB308H 3YJ104L 3YJ104H 3PLYJ308H 3SB104L 3SB104H 3PLSB308H 3JB104L 3JB104H 3PLJB308H 3PLZJ9032H 3PLZJ5016H 3PLZB9032H 3PLZB5016H 3PLZB104XH 3PLYJ9032H 3PLYJ104XH 3PLSB9032H 3PLSB5016H 3PL...

Page 66: ...H 3PLZB5016XH 3PLYJ308XH 3PLYJ5016XH 3PLSB9032XH 3PLSB5016XH 3PLJB308XH 3PLJB9032XH 3PLJB5016XH 32PLZJ308H 32PLZJ9032H 32PLZJ5016H 32PLZB308H 32PLZB9032H 32PLZB5016H 32PLYJ308H 32PLYJ9032H 32PLYJ5016H...

Page 67: ...16XH 32PLYJ104XH 32PLYJ308XH 32PLYJ9032XH 32PLYJ5016XH 32PLSB104XH 32PLSB308XH 32PLSB5016XH 32PLZJ102XH 32PLZB102XH 32PLYJ102XH 32PLSB102XH 32PLJB102XH 3ZJ104H 3ZJ104H 3ZJ104H 3PLZJ9032XH 3ZB104H 3PLZ...

Page 68: ...JB9032H 3ZJ104H 3PLZJ308H 3PLZJ5016H 3PLZJ308XH 3PLZJ9032XH 3PLZJ5016XH 3PLZB308H 3PLZB5016H 3PLZB104XH 3PLZB308XH 3PLZB9032XH 3PLZB5016XH 3PLYJ308H 3PLYJ5016H 3PLYJ104XH 3PLYJ308XH 3PLYJ9032XH 3PLYJ5...

Page 69: ...31...

Page 70: ...t Huang Twist Huang bolt Press sole to twist Huang Press sole bolt Roll flower Luo a mother Lock tight bolt Twist Huang bolt Press the sole twist Huang Press sole bolt Protect a steel wire Protect ste...

Page 71: ...33...

Page 72: ...iece Nut Support Support bolt Lead a needle piece bolt Lead a needle piece Lead a needle piece Nut Support Support bolt Lead a needle piece bolt Lead a needle piece Nut Support Support bolt Lead a nee...

Page 73: ...Gear box haul material wheel 1 3 4 9 8 7 6 5 10 11 12 6 13 14 16 17 19 18 16 2 20 21 22 15 4 23 35...

Page 74: ...per Shaft Screw M5 Timing Belt Wheel Assy Upper Screw SM3 57 Timing Belt Cover U Timing Belt Timing Belt Wheel Assy Lower Screw Timing Belt Cover D Screw Washer Puller Bracket Screw M4 Lower Shaft 1 2...

Page 75: ...37 12 12 13 14 15 18 19 20 21 17 16 9 6 7 6 4 2 3 2 1 7 8 2 1 5 4 3 6 22 23 24 25 34 32 24 5 40 33 44 11 45 37 25 27 46 1 48 47 35 26 10 36 25 38 39 41 42 2 2 25 8 1 2 3 11 46 2 31 30 4 28 29 49 43 50...

Page 76: ...l Screw M6 Packing Puller Device Top Cover Screw M4 Screw Ring Feed Regurate Button Bush Spring Feed Adjust Button Eccentric Adjuster Connecting Rod Collar Screw M5 Eccentric Wheel Shaft Bush Screw Cl...

Page 77: ...39 12 12 13 14 15 18 19 20 21 17 16 9 6 7 6 4 2 3 2 1 7 8 2 1 5 4 3 6 22 23 24 25 34 32 24 5 40 33 44 11 45 37 25 27 46 1 48 47 35 26 10 36 25 38 39 41 42 2 2 25 8 1 2 3 11 46 2 31 30 4 28 29 33 49 50...

Page 78: ...Washer Collar Screw M4 Pin Bearings Ball Bearing Bush Feed Shaft Bush 40 Belt Cover Feed Shaft Universal Joint Shaft Universal coupling guard Universal Joint Assy Screw Timing Belt...

Page 79: ...60 1 2 3 4 5 4 5 2 3 6 7 8 9 10 11 9 10 12 18 19 20 21 22 23 32 33 34 35 46 45 42 37 36 3 40 39 38 31 30 29 25 26 27 28 13 14 15 16 12 17 49 61 51 52 53 54 62 55 56 52 53 54 55 56 51 50 49 41 44 63 5...

Page 80: ...ft for linking balls Nut M6 LH Ball parts Lower Screw SM3 18 Crank cover Connecting Rod Ball Bearing Eccentric Wheel Screw SM6 35 Presser Adjust Screw Spring Presser Bar Screw SM4 36 Face Plate Suppor...

Page 81: ...60 1 2 3 4 5 4 5 2 3 6 7 8 9 10 11 9 10 12 18 19 20 21 22 23 32 33 34 35 46 45 42 37 36 3 40 39 38 31 30 29 25 26 27 28 13 14 15 16 12 17 49 61 51 52 53 54 62 55 56 52 53 54 55 56 51 50 49 41 44 63 5...

Page 82: ...Lower Puller LowerPullerComponentPicture Puller Shaft Upper Puller Stent Ring Rolling Shaft Spring Star Ferry Star Ferry Link Screw M3 Wheel 9 32 Wheel 1 4 Wheel 5 16 LowerPullerComponent Upper Pulle...

Page 83: ...30 29 28 27 26 25 24 23 22 21 20 19 10 18 14 14 13 12 11 10 9 8 7 6 5 4 3 2 6 17 4 5 16 15 1 45 Double haul material wheel 31...

Page 84: ...4 36 Wheel Shaft Pin Ring Upper Wheel Component Star Ferry Link Upper Wheel Upper Wheel Stent Wheel Shaft Front Feed Arm Cap Packing Looper Cover Ra Feed Bar Eccentric Shaft Looper Thread Guide Looper...

Page 85: ...rs device 26 1 43 3 5 6 7 4 8 2 9 10 11 12 13 14 16 17 15 22 24 25 27 23 29 28 E 19 20 21 31 32 33 34 30 44 TYPE A 18 58 4 36 52 38 8 2 39 40 11 41 42 14 13 12 45 TYPE B 35 37 28 47 48 48 49 56 57 55...

Page 86: ...ing Screw M3 Screw M3 57 Scissors Fix Slice Looper Thread Guide Looper Thread Guide Bracket Screw M3 Screw M3 Spring 48 Auto wire cutters device Conjunction set M3 3 Screw M3 WindpipeLimitSlice Long S...

Page 87: ...rs device 26 1 43 3 5 6 7 4 8 2 9 10 11 12 13 14 16 17 15 22 24 25 27 23 29 28 E 19 20 21 31 32 33 34 30 44 TYPE A 18 58 4 36 52 38 8 2 39 40 11 41 42 14 13 12 45 TYPE B 35 37 28 47 48 48 49 56 57 55...

Page 88: ...fe Component Fixed Knife Component Scissors Cover Screw M4X20 Scissors Type A Scissors Type B 50 Washer Mat piece Eliminate a machine Transfer a soft tube Base Base support Crest pole Bag Eliminate a...

Page 89: ...Gas control device 51 17 11 12 8 4 10 6 4 4 9 7 14 3 26 13 16 22 19 20 23 18 21 25 24 3 4 4 5 3 3 1 2 15...

Page 90: ...Thread Keep APC6 01 Filter AF1500 Wood Screw ST4 8 Barometer fix Screw M3 PF Wheel Spirit Valve Plate Spring 52 Screw M5 Collar Machine valve S3B M5 L M5C L Connector PL04M5C Ball parts Screw M4x6 Mac...

Page 91: ...Pneumatic device 43 41 34 35 29 30 31 32 33 19 18 17 14 13 12 16 6 5 15 5 6 2 3 4 23 22 21 20 11 10 9 8 7 1 24 25 27 42 28 36 26 53 38 37 39 40...

Page 92: ...Nut Lamp Screw M3 Screw M6 Clip Connector Keep APG8 6 Windpipe UCS8 Thread Keep APC8 02 Air rifle AG Y PU Windpipe PU8 Connector Washer M4 38 Screw M4 Upper Presser Bak Lifter Screw M3 Lower Presser...

Page 93: ...Pneumatic device 43 41 34 35 29 30 31 32 33 19 18 17 14 13 12 16 6 5 15 5 6 2 3 4 23 22 21 20 11 10 9 8 7 1 24 25 27 42 28 36 26 55 38 37 39 40...

Page 94: ...56 Pneumatic device Valve ASL6 M5B Washer 5 Support Air cock Y transition connector 4 Windpipe 6 Windpipe Y transition connector...

Page 95: ...Servo direct drive device 1 20 20 23 24 57 3 22 2 27 7 5 26 6 15 8 18 10 16 11 21 17 12 13 14 19 25 4 9...

Page 96: ...A Shaft coupling Flange HookDrivingShaftSprocket Motor Screw M6 Fixed Position Disk Disk Packing Motor Timing Belt Cover Screw M6 Screw M3 Shaft coupling B Screw M4 Leaf Spring Belt Corer Plate Vane w...

Page 97: ...58x50 120x110 155x120 270x170 340x105 1 2 3 4 6 7 4 8 9 10 17 20 19 24 21 23 22 25 26 27 28 29 30 4 5 32 33 15 14 13 12 11 31 928 PS PS 34 35 38 39 36 37 40 16 18 41 59...

Page 98: ...mm Allen Key ScrewDriver medium 17 19 Spanner 10Spanner Oiler Oiler Thread Tweezers Thread Stand 340X105 Accessory bag 270X170 Accessory bag 155X120 Accessory bag 120X110 Accessory bag 58X50Accessory...

Page 99: ...58x50 120x110 155x120 270x170 340x105 1 2 10 17 25 24 21 23 22 28 29 30 27 26 31 32 33 34 35 37 38 15 14 13 12 11 PS SD PS 16 18 61 20 19 31 928 SD 40 5 9 4 7 6 4 3 39 8...

Page 100: ...50Accessory bag Puller Timing Belt Fixed Support Screw SM4 76 Pulley Belt Cover Chain S S Hook Screw M6 Washer Screw M6 Cushion Rubber Spring Washer M6 Nut M6 Base Cushion 5mm Allen Key 4mm Allen Key...

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