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NLI DKN-3, Instruction Manual, Page: 24 / 40

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NLI DKN-3 Instruction Manual Download Page 24

20 

04. Crank Shaft & Main Shaft Parts

02.

クランクシャフト、下軸関係 

Summary of Contents for DKN-3

Page 1: ...NLIF 008 NEWLONG INDUSTRIAL CO LTD NLI 016...

Page 2: ...ntents of this manual are subject to change without prior notice for improvement and safety purpose DKN 3 DKN 3 The instruction manual and parts list is subject to change without prior notice Be caref...

Page 3: ...TY GROUND EARTH 6 BE SURE POWER AND AIR SUPPLY IS OFF BEFORE PERFORMING MACHINE MAINTENANCE PARTS REPLACEMENT ADJUSTMENTS OR CLEANING 7 DO NOT OPERATE MACHINE WITH GUARDS AND COVERS REMOVED 8 DO NOT T...

Page 4: ...usting the machine or replacing parts Wear safety glasses Make sure before starting the machine that all covers and shields are in place and closed Do not touch on the machine when it is run Turn powe...

Page 5: ...ht of Needle Bar 13 6 3 Fixing Loop Guide 13 6 Trouble Shooting 14 15 Parts List 17 Diagram of Screw Nut Washer 34 35 Numerical index of Parts 36 37 1 Specifications 2 2 The Points Before Operation 2...

Page 6: ...rpm 5 000rpm Stitch range 5 0 9 5mm 4 0 9 0mm 3 6 8 0mm Seam Double thread chain stitch type 401 2 401 No of Needle 1 Needle 1 2 Needle 2 1 Needle 1 No of Thread 1 thread 2 2 thread 4 1 thread 2 Appli...

Page 7: ...e correctly referring to the threading on the machine and the threading diagram Fig 1 2 3 Threading Fig 1 2 3 Fig Fig Needle Thread 1 1 Looper Thread 1 1 Needle Thread 1 1 Looper Thread 1 1 DKN 3 DKN...

Page 8: ...upper G a Needle Bar Bushing lower H b Feed Bar Ass y L c Feed Crank Link Ass y M d Feed Lift Eccentric Ass y K d Looper Avoid Eccentric Ass y J Run the machine by hand to check that it turns smoothly...

Page 9: ...e Setting Fig 5 Insert a new needle into needle bar as deep as it will go The concave part of needle should be faced to rear side of stitching direction Then tighten the needle bar nut C firmly to avo...

Page 10: ...orward To adjust the position of the Looper Drive Rocker Shaft D first loosen the stud F of the Looper Drive Lever J and loosen the Screw H Slightly push or pull the Shaft to obtain the required timin...

Page 11: ...Screw F and turn the Screw G as required Turning Screw G to the right will make the Looper go away from you and turning it to the left will make the Looper get nearer to you After the adjustment tigh...

Page 12: ...travel loosen the nut E and turn the screw F to adjust the levelness of the feed dog Turning the screw to the left will make the leading edge of the feed dog raised and turning it to the right makes...

Page 13: ...en the Screw C and move the Needle Guard B in the vertical direction Be careful that the Needle A slightly touch the Needle Guard B so that the clearance between A and B is 0 to 0 1mm After the adjust...

Page 14: ...istance between its thread contact surface and the hole of the needle thread take up hole C is 5mm Check the size of the loop formed as the needle goes up and raise the needle thread take up wire B if...

Page 15: ...machine correctly Reduce tension Adjust timing of needle and looper Tighten the screw Thread skips 1 Needle setting not correct Bent or damaged needle 2 Needle thread regulator set too low 3 Needle th...

Page 16: ...12 1 2 3 4 5 6 1 2 3 1 2 3 4 1 2 3 4 5 6 1 2 1 2 3 7...

Page 17: ...main parts 4 The last figure on the parts stamp number advances on each improvement of the parts 5 Parts No described in of Remarks means constitution of the assembly The parts list is subject to cha...

Page 18: ...14 01 Cloth Cover Side Cover Parts 01...

Page 19: ...Screw Cover cloth plate Spring Spring Washer Screw Screw Edge Guide Washer and nut Screw Holder needle guard Screw Needle Guard Screw Side Cover Screw Stud Face Plate lower Screw Open Plate Washer Sp...

Page 20: ...16 02 Head Cover Oil Pump Parts 02...

Page 21: ...775071 51295A 51295B Plate oil and baffle Screw Gasket Upper Cover Screw Screw Gasket Head Cover Felt Gasket Screw Block head oil tube mounting Lock washer Nut Clamp head oil tube Screw Pad Felt Oil...

Page 22: ...18 03 Thread Tension Thread Guide Parts 02...

Page 23: ...uide Base Screw Needle Thread Controller Screw Nut Washer Tension Post Support Screw Lead In Guide Tension Post Eyelet Tension Post Ferrule Tension Disc Tension Post Tension Spring looper thread Tensi...

Page 24: ...20 04 Crank Shaft Main Shaft Parts 02...

Page 25: ...using Screw O Ring O Bearing Holder Collar Ball Bearing 6302ZZ Bearing Holder Screw Ball Bearing 6202ZZ Oil Seal SC224211 Bearing Holder Collar B B O Ring O Counter Weight Screw Crank Shaft Main Shaft...

Page 26: ...22 05 Needle Bar Needle Lever Parts 02...

Page 27: ...eedle Bar Bushing lower Needle Bar Bushing upper Needle Thread Take Up Screw Needle Lever Ass y Needle Lever Needle Bar Connection Screw Screw Link Pin Oil Wick Retaining Ring Connecting Link Screw Ne...

Page 28: ...24 06 Presser Foot Lifter Lever Parts 02...

Page 29: ...Connection and Guide Screw Screw Guide Plate presser bar connection Screw Screw Presser Spring Nut presser spring regulator Presser Spring Regulator Lifter Lever Link Screw Bell Crank presser foot lif...

Page 30: ...26 07 Looper Drive Connecting Rod Parts 02...

Page 31: ...Screw Screw Screw Looper Rocker Ass y Looper Stud Looper Rocker Looper Rocker Cone Screw Nut Screw Nut Looper Screw Loop Guide Screw Oil Drip Plate Screw Ball Joint left Screw Nut left thread Nut Loop...

Page 32: ...28 08 Feed Dog Feed Drive Parts 02...

Page 33: ...w Feed Crank Link Ass y Feed Crank Link Ferrule Feed Crank Link Pin Oil Wick Washer Nut left thread Main Shaft Head Plate Scale Screw Feed Crank Stud Screw Screw Feed Crank Stud Insert X Ring X Retain...

Page 34: ...180B 15 4 56190 21 32 56193A 17 26 56301 15 6 56313 27 20 56316 23 30 56316C 23 33 56322B 21 45 56322C 29 42 56334B 29 27 56334L 29 31 56334N 29 29 56335D 29 23 56335L 29 22 56336 29 14 56336B 29 6 56...

Page 35: ...22585 17 16 22585A 15 43 22586R 23 26 22587K 21 28 22637P 24 29 35 22651CB 4 29 30 22651CD 4 29 26 22653L 8 21 26 22711 19 7 22758C 25 16 25 27 22760A 15 14 22764C 21 37 22798C 29 15 22801 29 46 22829...

Page 36: ...32 DKN 3BP SCREW NUT WASHER...

Page 37: ...33 DKN 3BP SCREW NUT WASHER...

Page 38: ...MEMO...

Page 39: ...MEMO...

Page 40: ...NEWLONG INDUSTRIAL CO LTD 2007 06 06 URL E mail http nlwww com mail info nlwww com TEL03 3603 2284 FAX03 3603 2253 125 0063 4 8 14...

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