Reliable MSK-8400BL-18 Instruction Manual
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Reliable MSK-8400BL-18 Instruction Manual

Industrial sewing machine
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MSK-8400BL-18
MSK-8420BL-18
Industrial Sewing Machine
Instruction Manual

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Summary of Contents for Reliable MSK-8400BL-18

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

  • Page 2: Table Of Contents

    2. Adjust the pressure of presser foot 3. Adjust the safety clutch device Parts manual 1. MSK-8420BL-18 machine casting components 2. MSK-8400BL-18 machine casting components 3. Upper shaft and presser foot components 4. Needle bar and lower feed components 5. Lower shaft thread looping components 6.
  • Page 3 Operation instruction...

  • Page 4: Machine Installation

    MSK-8400BL-18 sewing machine adopts single straight needle and vertical auto-lubricating hook for thread looping, it has all of the advantages of MSK-8420BL-18.
  • Page 5 1.4 Install the presser foot lifting controller (Fig. 3) First connect the chain B with presser foot lift lever C by hooks A, then install the pedal assembly D on the rung of the stand, move the controller E leftward or rightward to make the chain in one line, fix it with bolt and nut, finally connect the hook with the controller E.

  • Page 6: Operation Preparation And Notice Before Running

    1.7 Connecting the clutch lever to the pedal (Fig. 6) A. The optimum tilt angle of pedal against floor is approx. 20 30 . B. Adjust the clutch of motor so that the clutch lever C and draw bar B run in line. C .

  • Page 7: Coordination Among Needle, Thread And Materials

    Oil screen Single needle Long groove leftward Clearance B. When the machine starts for initial time or reuse after a long time, the proper oil amount should be filled in the sections of machine shown by arrows in Fig. 8,9. When it is in operation, please observe the oil sparking in oil screen to check the oil condition.

  • Page 8: Winding The Bobbin Thread

    3. Winding the bobbin thread 3.1 The method of winding Insert the bobbin B into winder shaft, threading the thread A to upper and lower holes of pin E, then to thread tension disc F, draw the thread tip and wind thread several circles around bobbin B, put the winding lever D into bobbin B, then it can automatic winding when sewing.

  • Page 9: Adjust The Needle Thread Tension And Bobbin Thread Tension

    1. Adjust the needle thread tension and bobbin thread tension All forms of stitches are shown in Fig. 20 The normal stitch of sewing machine is shown in Fig. 17A. If stitch is abnormal, the puckering and thread breakage will occur, the needle thread tension and bobbin thread tension should be adjusted so that the normal stitch can be obtained.

  • Page 10: Adjust The Pressure Of Presser Foot

    A. If the stitch seam shows as Fig. 17B, indicates that the needle thread tension is too tight or the bobbin thread tension is too loose. Please turn the thread tension nut counter-clockwise to release the needle thread pressure; or turn the bobbin lace adjusting screw with a screwdriver to increase the bobbin thread tension.( See Fig.
  • Page 11 Button White mark Eccentric pin Tighten Loosen Lower shaft Set screw Horizontal shaft crank (right) Link Reference line Upper layer feed decrease Upper layer feed decrease Upper layer feed decrease Special stud Upper layer feed increase Upper layer feed increase Upper layer feed increase 3.2 How to reset the safety clutch device (Fig.22) A.
  • Page 12 3.5 Adjust the vertical stroke of presser foot (Fig. 25) When stitch on the very elastic materials or the t h i c k n e s s o f s e w i n g m a t e r i a l s c h a n g e s , t h e adjustment should be done in the following order: A.

  • Page 13: Parts Manual

    Parts manual...

  • Page 14: Msk-8420Bl-18 Machine Casting Components

    1.MSK-8420BL-18 machine casting components...
  • Page 15 1.MSK-8420BL-18 machine casting components No . Part number 43WF1-001 43WF1-002 43WF1-003B 43WF1-004B 1WF1-015 1WF1-016 1WF1-017 1WF1-011 22T1-007 1WF1-032 1WF1-038 1WF1-039 1WF1-019 1WF1-030 1WF1-027 1WF1-028 1WF1-003 1WF1-004 1WF1-005 1WF1-034 1WF1-036 1WF1-007 1WF1-006 1WF1-018 1WF1-013 1WF1-009 1WF1-008 1WF1-012 1WF1-021 1WF1-020 1WF1-035 1WF1-037 1WF1-023 1WF1-033 1WF1-040...
  • Page 16 1.MSK-8420BL-18 machine casting components...
  • Page 17 1.MSK-8420BL-18 machine casting components No . Part number 1WF1-010A 1WF1-010B 1WF1-010C 1WF1-010D 1WF1-010E 1WF1-010M 1WF1-010H 1WF1-010G 1WF1-010S 1WF1-010F 1WF1-010R 1WF1-010Q 1WF1-010J 1WF1-026 1WF1-025 1WF1-010K 1WF1-010I 1WF1-024 1WF1-010L 1WF1-010W 1WF1-010P 1WF1-043 22T2-004 43WF1-006 35WF1-006 Name Thread tension fixing bracket assembly Thread guide bracket Thread guide plate Spring Thread guide b acket screw assembly...

  • Page 18: Msk-8400Bl-18 Machine Casting Components

    2.MSK-8400BL-18 machine casting components...
  • Page 19 No . Part number 44WF1-003 Machine bed 43WF1-002 Machine arm Screw Screw 44WF1-002 Model label 44WF1-005 Brand label Rivet 1WF1-015 Upper thread guide 1WF1-016 Screw 1WF1-017 Back cover 1WF1-011 Screw 22T1-007 Washer 1WF1-032 Cover 1WF1-038 Front slide plate 1WF1-039 Screw 1WF1-019 Thread take-up lever cover 1WF1-030...
  • Page 21 No . Part number 1WF1-010A Thread tension fixing bracket assembly 1WF1-010B Thread guide bracket 1WF1-010C Thread guide plate 1WF1-010D Spring 1WF1-010E Thread guide bracket screw assembly Thread releasing pin (short) 1WF1-010M Thread tension nut 1WF1-010H Thread tension spring 1WF1-010G Thread releasing disc 1WF1-010S Thread tension disc 1WF1-010F...
  • Page 22 39 40 35 37 38 55 56...
  • Page 23 No . Part number 43WF2-001 Upper shaft 1WF2-022 Upper shaft bushing (front) 1WF2-023 Screw 1WF2-024 Oil felt 1WF2-021 Needle crank 1WF2-020 Screw 1WF2-007 Screw 1WF2-010 Screw 1WF2-009 Screw 1WF5-026 Eccentric cam Stop ring 1WF5-041 Slot for front crank sliding block 1WF2-026 Stop ring 1WF2-030...
  • Page 24 75 76 5 6 7 8 9 10 12 13 MSK-8420BL-18 36 37 MSK-8400BL-18 59 61 64 65 43 45 46 47 48 49...
  • Page 25 SM5/16" 28/10 SM15/64" 28/8 2.5 240 cotton thread SM15/64" 28/12 3 25 3 80 cotton thread SM3/32" 56/4.6 SM9/64" 40/8.5 MSK-8420BL-18 MSK-8400BL-18 SM11/64" 40/12 Washer GB848-85 SM11/64" 40/15 MSK-8420BL-18 MSK-8400BL-18 MSK-8420BL-18 MSK-8400BL-18 SM9/64" 40/4.3 MSK-8400BL-L18 DP 17 23#...
  • Page 26 75 76 5 6 7 8 9 10 12 13 MSK-8420BL-18 36 37 MSK-8400BL-18 59 61 64 65 43 45 46 47 48 49...
  • Page 27 Remark SM1/4" 24/8 SM1/4" 40/4 Stop ring 5 GB896-86 3 55 cotton thread Wool felt SM3/16" 28/12 2.5 430 cotton thread MSK-8420BL-18 MSK-8400BL-18 SM15/64" 28/16 Washer 6 GB95-85 SM1/8" 40/7 MSK-8420BL-18 MSK-8400BL-18 SM1/8" 44/4 Wool felt SM1/8" 40/13.5 SM11/64" 40/6...
  • Page 28 31 32 34 35 42 43 44 45 53 54 47 48 50 51 52...
  • Page 29 Bearing 1WF2-050 Bearing pressing ring 1WF2-049 Screw 1WF4-044 Oil wick 1WF4-043 Note: the figure in the bracket is the parts quantity of MSK-8400BL-18 Name Remark SM14/64" 28 2.5 14 cotton thread SM3/16" 32 SM9/64" 40/4.5 Washer 4 GB848-85 Washer 4 GB848-85 SM3/16"...
  • Page 30 29 30...
  • Page 31 No . Part number 1WF4-025 Stitch length adjusting rocking lever 1WF4-030 Screw 1WF4-026 Set screw 1WF4-014 Stitch length link 1WF4-028 Eccentric shaft 1WF4-046 Reverse feed shaft Reverse feed crank 1WF4-047 Screw 1WF4-027 Screw 1WF4-021 1WF4-048 Reverse feed lever 1WF4-040 Sliding block Crank spring 1WF4-049 Spring bracket...
  • Page 32 33 34 Automatic presser foot lifter components 58 59...
  • Page 33 Block Solenoid assembly 43WF3-01-DA Screw Washer Washer Name Stop ring 3.5 GB896-86 SM1/64" 40/12 SM1/4" 24/16.5 (For presser foot lifter by pedal) (For automatic presser foot lifter) (MSK-8420BL-18) (MSK-8400BL-18) SM9/64" 40/8.5 SM11/64" 40/15 SM1/4" 24 23 PF-9 GB93-8 GB97.1-8 Remark...
  • Page 34 20 21...
  • Page 35 Washer 4 GB7246-87 SM /64" 40/ SM /64" 40/ SM 1/ 4" 40/10 3D 1 90 SM1/8" 44/4.5 H62 brassiness MSK-8420BL-18 MSK-8400BL-18 2.5 430 cotton thread 3D 0.5 410 3D 1 445 MSK-8420BL- 3D 0.5 220 2.5 300 2.5 240 (MSK-8420BL-18)
  • Page 37 Screwdriver (middle) Screwdriver (small) Needle thread guide assembly Machine head cover Oil tank Thread stand Thread stand Magnet Oil draining screw Was h Oil pan Remark 'O' type 1050 1 bag DP 17 23# S=2.5MM S=3MM (MSK-8420BL-18) (MSK-8400BL-18) SM5/16" 25/10...
  • Page 38 www.reliablecorporation.com...

This manual is also suitable for:

Msk-8420bl-18

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