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MSK-8400BL-18  
MSK-8420BL-18 

Industrial Sewing Machine 

 
 
 

Instruction Manual 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

  

Summary of Contents for MSK-8400BL-18

Page 1: ...MSK 8400BL 18 MSK 8420BL 18 Industrial Sewing Machine Instruction Manual...

Page 2: ...ust the needle thread tension and bobbin thread tension 6 7 2 Adjust the pressure of presser foot 7 3 Adjust the safety clutch device 7 9 1 MSK 8420BL 18 machine casting components 10 13 2 MSK 8400BL...

Page 3: ...Operation instruction...

Page 4: ...y hand More than 16mm by pedal Large vertical auto lubricating hook DP 17 Nm125 180 6 4mm standard Auto lubricating A B Special needle gauge available mm 3 2 4 4 8 8 9 5 12 7 16 19 25 4 Applications M...

Page 5: ...controller E An automatic presser foot lifter is also available please refer to parts manual Part 7 Knee lifter and winding components 1 5 Install the thread stand Fig 4 The thread stand should be lo...

Page 6: ...ust grease meanwhile the grease can harden and the dust can cover the machine surface during long time storage and shipment so the dust and grease must be cleared by clean cloth with gasoline 2 2 Exam...

Page 7: ...edle gauge the relevant parts can be ordered from the factory 1 Coordination amongneedle thread and materials Please use needle DP 17 or 135 17 Nm125 180 the coarseness of needle should be in accordan...

Page 8: ...thread can be cut by thread cutter shown in Fig 12 Wind the thread A several circles around cutter C draw the thread and the thread is cut 3 2 Threading Fig 13 A Every thread should be drawn through...

Page 9: ...d get the bobbin thread then draw them a little apart from thepresser foot 1 Adjust the needlethread tension and bobbin thread tension All forms of stitches are shown in Fig 20 The normal stitch of se...

Page 10: ...to the thickness of the sewing materials If stitch on heavy weight materials the pressure should be increased by turning the pressure adjusting screw on the back of machine head clockwise on the contr...

Page 11: ...nd loosen the set screw of eccentric pin and turn the eccentric pin C After adjustment please tighten the set screw 3 4 Adjust the upper feed mechanism Fig 23 If the upper and lower feed are not in ti...

Page 12: ...l become shorter C After adjustment tighten the special stud The common vertical stroke of presser foot can be adjusted within the range of 2 6mm 3 6 Adjust the hook oil amount Fig 26 It adopts plunge...

Page 13: ...Parts manual...

Page 14: ...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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 14 45 12 13 1 MSK 8420BL 18 mac...

Page 15: ...stopper setplate Oil stopper Needle plate Pin shaft Thread releasing lever Right sliding plate Left sliding plate Rubber plug 14 5 Rubber plug 12 7 Back fitting cover Rubber plug 12 7 43WF1 001 43WF1...

Page 16: ...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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 14 45 12 13 1 MSK 8420BL 18 mac...

Page 17: ...olling discassembly Screw Stop plate Thread take up spring Thread take up spring shaft Screw Thread releasing pin long Thread tension retainingplate Thread releasing spring Spring retaining plate Scre...

Page 18: ...1 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 37 38 39 40 41 42 43 44 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 14 45 2 MSK 8400BL 18 machine casting comp...

Page 19: ...late Oil stopper setplate Oil stopper Needle plate Right sliding platespring retainer Thread releasing lever Right sliding plate Left sliding plate 14 5 12 7 Back fitting cover Rubber plug 12 7 Rubber...

Page 20: ...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 37 38 39 40 41 42 43 44 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 14 45 43 12 13 65 16...

Page 21: ...nsion disc Screw Screw Thread controlling discassembly Screw Stop plate Thread take up spring Thread take up spring shaft Screw Thread releasing pin long Thread tension retainingplate Thread releasing...

Page 22: ...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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 36 14 8 13 18...

Page 23: ...ink lever Screw Screw Presser foot liftingmovable plate Rolling ball shaft Rolling ball Washer Screw Upper shaft timingpulley Lower shaft timingpulley Bobbin winding shaft Screw Upper shaft bushing mi...

Page 24: ...20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 42 43 45 1 45 59 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 45...

Page 25: ...bar thread guide Needle holder screw Needle set screw Needle Needle bar rockingsliding block Sliding block shaft Needle bar rocking left crank Pin Washer 1WF5 017 1WF5 018 1WF5 031 1WF5 019 1WF2 018 1...

Page 26: ...20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 42 43 45 1 45 59 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 45...

Page 27: ...asher Screw Feed dog Feed dog Screw Oil felt Feed dog lifting fork Nut Screw Screw 1WF5 022 1WF5 027 1WF5 028 43WF5 001 1WF4 018 1WF5 005 1WF5 004 1WF5 003 1WF5 049 1WF5 002 1WF5 046 1WF5 047 1WF5 001...

Page 28: ...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 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 28 24...

Page 29: ...aring Bearing pressing ring Screw Oil wick Pin 1WF2 063 1WF2 060 1WF2 059 1WF2 061 1WF2 064 1WF2 065 1WF2 070 1WF2 069 1WF2 072 1WF2 071 1WF2 075 1WF2 026 1WF2 076 1WF2 074 1WF2 062 1WF2 034 1WF2 033...

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

Page 31: ...ch length adjusting crank shaft Stitch length adjusting crank Screw Screw Collar Reverse feed adjustingbracket Oil wick Oil wick Guiding plate Screw 1WF4 025 1WF4 030 1WF4 026 1WF4 014 1WF4 028 1WF4 0...

Page 32: ...36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 2 3 4 5 6 7 8 9 10 11 12 13 14 15 17 16 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 44 28 36 53 54 55 56 57 58 59 Automatic presser foot lifter co...

Page 33: ...er bar springlever bracket Screw Presser foot liftingbar Screw Thread releasing plate Presser bar guidingbracket Screw Presser bar Screw Thread releasing springlever Screw Crank assembly Screw Block S...

Page 34: ...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 37 38 39 40 41 42 43 44 45 46 47 48 49 16 16 23 23 23 16 20 21 26 20 21 30...

Page 35: ...Oil wick Oil pipe Oil pipe Oil pipe clamp Oil pipe Oil wick Oil wick Clamp Oil pipe clamp Oil nozzle assembly Oil filter fixingbracket 1WF6 001 1WF6 034 1WF6 003 1WF6 005A 1WF6 004 1WF6 007 1WF6 008 1...

Page 36: ...1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 32...

Page 37: ...driver middle Screwdriver small Needle thread guideassembly Machine head cover Oil tank Thread stand Thread stand Magnet Oil draining screw Wash Oil pan 33TF 010 22T9 007F1 22T9 007F2 22T9 009 22T9 01...

Page 38: ...www reliablecorporation com...

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