Reliable MSK-8420B User Manual

MSK-8400B MSK-8420B Industrial Sewing Machine Instruction Manual

21201918NormalABC-7-hookthreadsliding platehooksliding platetension adjusting screwloosentighteninner stop piece112thread4.3.5 Placing bobbin (Fig.18

25242322buttonbalance wheelpressure adjusting screwreduceincreaseteeth - belt pulleyshaftsafety clutch device-8-needle thread tensionincreasereduce

262728stop platewhite markeccentriclower shaftloosentightenset screwbelteccentricreference linebuttonspecial screwhorizontal shaft crankupper layer fe

3029oil amount adjusting screwincreasereducenutspecial screwcrankincreasereducecrank link-10-5.5 Presser foot lift volume adjustment (Fig.29) wh

Parts Manual

1-11-28283434333313131212323231313030292927272626353536 36 39 39 25 25 242437 37 1312131266 66 65 65 40 40 23 23 20 20 191922 22 212113 13

Item Part number 1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19..20.21.22.23.24.25.26.27.28.29.30.31.1. MSK-8420B Arm Parts-12-1WF1-0011WF1-002

1-13-28283434333313131212323231313030292927272626353536 36 39 39 25 25 242437 37 1312131266 66 65 65 40 40 23 23 20 20 191922 22 212113 13

-14-Item Part number 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.Guid set plateSet pl

2-15-26323113123029282725243337 23 2235131263 64 381920 2113 13 12 12 41 40 39 13 12 11 1097 8 2 6 3 4 5 14 16 15 62 53 42 43 44 45 46

CONTENTS1. Brief introduction2. Main specifications3. Installation and preparation 3.1 Installation 3.1.1 Location of the machine 3.1.2 Insta

2. MSK-8400B Arm Parts-16-Item Part number Bed ArmPinScrewScrewTrade mark plateModle plateNailUpper thread guideScrew Back coverScrew WasherCcove

2-17-26323113123029282725243337 23 2235131263 64 381920 2113 13 12 12 41 40 39 13 12 11 1097 8 2 6 3 4 5 14 16 15 62 53 42 43 44 45 46

-18-Item Part number Oil retainerThroat plateSpring retaining plateThread releasing leverRight sliding plateLeft sliding platePlug 14.5Plug 12.7Ba

41 42 44 6 33 7 50 51 12 9 5 8 2 1 3 36 52 53 13 20 31 30 32 29 17 21 19 22 23 24 25 26 27 28 4 45 46 49 48

3. Upper Shaft Presser Foot Parts-20-Item Part number Upper shaft Front bushingScrewOil feltNeedle crankScrewScrewScrewScrewPresser foot lift ecce

41 42 44 6 33 7 50 51 12 9 5 8 2 1 3 36 52 53 13 20 31 30 32 29 17 21 19 22 23 24 25 26 27 28 4 45 46 49 48

-22-Item Part number Screw Nut Connecting leverConnecting screwWasherOil tube assemblySpingPresser foot lift rear crankScrewPresser foot lift fron

1 30 29 28 27 26 10 11 38 40 43 42 44 43 45 14 15 16 17 18 19 2025 24 23 22 32 31 21 42 46 47 48 49 177 76 75 69

4. MSK-8420B Needle Bar And Lower Feed Parts-24-Item Part number Oil wick Shaft for needle bar motion holderScrewScrewOil wick Bushing for thread

1 30 29 28 27 26 10 11 38 40 43 42 44 43 45 14 15 16 17 18 19 2025 24 23 22 32 31 21 42 46 47 48 49 177 76 75 69

1. MSK-8420B Arm parts2. MSK-8400B Arm parts3. Upper shaft and presser foot parts4. MSK-8420B Needle bar motion and Lower feed parts5. MSK-8400B

-26-Item Part number Bushing for needle bar motion shaftSet screwShaft for needle bar motionScrewRear crank for needle bar motionConnecting nut Li

1 30 29 28 27 26 10 11 38 40 43 42 44 43 45 14 15 16 17 18 19 2025 24 23 22 32 31 33 35 34 21 42 46 47 48 49 177

5. MSK-8400B Needle Bar And Lower Feed Parts-28-Item Part number Oil wickShaft for needle bar motion holderScrew Screw Oil wick Bushing for threa

1 30 29 28 27 26 10 11 38 40 43 42 44 43 45 14 15 16 17 18 19 2025 24 23 22 32 31 33 35 34 21 42 46 47 48 49 177

-30-Item Part number Description P cs 42.43.44.45.46.47.48.49.50.51.52.53.54.55.56.57.58.59.60.61.62.63.64.65.66.67.68.69.70.71.72.73.74.75.

6£-31£-292828272612345 6 7 91011 1213141516171819202123 2224258 31 32 33 34 35 36 37 3839 40 41 42 43 44 45 46 47 48 50 51 52 493053546. MSK

6. MSK-8420B Rock Shaft And Thread Looping Parts-32-Item Part number Right hook saddle Screw Upper bushing of hook saddle Lower bushing of hook s

6£-33£-292828272612345 6 7 91011 1213141516171819202123 2224258 31 32 33 34 35 36 37 3839 40 41 42 43 44 45 46 47 48 50 51 52 493053546. MSK

-34-Item Part number Oil wickRock shaftFeed dog lift camSet screwRight bushing for rock shaftOil wickSplit stop ringSpringButtonSet screwFeed camF

7-35-282727262512345 6 7 91011 1213141516171819202123 222430 31 32 33 34 35 36 3738 39 40 414243 44 45 4647 4950 51 8 525329487.MSK-8400B Ro

12smallbigBABAoil felt-1- Both the models adopt straight twin-needle and two horizontal hooks with auto lubrication for th

7.MSK-8400B Rock Shaft And Thread Looping Parts-36-Item Part number Description P cs Right hook saddleScrewUpper bushing of hook saddleLowe

7-37-282727262512345 6 7 91011 1213141516171819202123 222430 31 32 33 34 35 36 3738 39 40 414243 44 45 4647 4950 51 8 525329487.MSK-8400B Ro

-38-Item Part number Description P cs Rock shaftFeed dog lift camSet screwRight bushing for rock shaftOil wick Split stop ringSpringButton S

8-39-345678 91 2 10 2121316 15 1920 30 29 28 26 27 24 25 22 2 23 21 11 24 18 17 143 4 5 6 7 898.Stitch Length Adjusting Parts

-40-Item Part number Description P cs 8.Stitch Length Adjusting PartsStitch length adjusting swing leverScrewSet screwStitch length linkStit

3236404142434445464847393837353433311819202122242926213457681112916154914131028271928239-41-30179.Presser Foot Lift Parts

9.Presser Foot Lift Parts-42-Item Part number Description P cs Sliding block railScrewScrewNutScrewSpringKnee lift leverPressure adjusting s

3236404142434445464847393837353433311819202122242926213457681112916154914131028271928239-43-30179.Presser Foot Lift Parts

9.Presser Foot Lift Parts-44-Item Part number Description P cs ScrewWasherRetain ringKnee lifter stop bracketAdjust screwAdjust nutScrewPosi

10-45-3 4 12 13 2140394443234547 16 46 48 21 20 26 15161718192021 22 23 24 25 26 27 2836 23 35 34 16 31 32 33 16 30 2916 38 23 3721 49

AACCBB345ACB-2-3.1.4 Knee control presser foot lifter installation(Fig.3) a. Installing Install Connector A , Bell Crank B , Bel

10.MSK-8420B Lubrication Parts-46-Item Part number Description P cs Oil felt press springScrewOil feltOil pipeOil wickOil cupOil cup coverS

10-47-3 4 12 13 2140394443234547 16 46 48 21 20 26 15161718192021 22 23 24 25 26 27 2836 23 35 34 16 31 32 33 16 30 2916 38 23 3721 49

-48-Item Part number Description P cs WasherFilter screwOil filter bracketOil pipe clampOil pipeOil pipe clampOil tray assemblyOil wickOil p

11-49-3 4 5 9 45 43 42 44 23 2 1 40 41 39 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 16 31 32 33 16

1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.1WF6-0011WF6-0341WF6-0031WF6-005A1WF6-0041WF6-0071WF6-0081WF6-0091

11-51-3 4 5 9 45 43 42 44 23 2 1 40 41 39 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 16 31 32 33 16

-52-Item Part number Description P cs WasherFilter screenOil filter bracketOil pipe clampOil pipePipe clampOil tray assemblyOil wickOil pipe

12-53-18 18 662 2 3 3 1 1 4 4 5 5 161619198 8 9911111212131314141515171710107712.Accessories

1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.33TF-01022T9-007F122T9-007F222T9-00922T9-0101WF2-06533TF-01133TF-0161F-0091F-0111F-01033TF-01233TF-013

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ABCDGFE10 - 12 mmDCBA20¡«30678CAB-3-DEABA3.1.6 Connecting the clutch lever to the pedal (Fig.6) 1)The optimum tilt angle of pedal A wit

9101112oil markoil screen-4-3.2.2 Examination Though every machine is confirmed by strict inspec-tion and test before delivery, the machine

1314ABCDEGH21F-5-long groovelong groove leftwardclearance(a) (d) (b) (c)A4.1 Coordination between needle, thread and sewingmaterial Please use n

L7 L5 L4 L3' L3 L2' L2 LR7 R1151617-6-AABCCD EA A AB BL11 R11L8L9L10L11L12L13R8R9R10from right to left from left to rightdetail chart t