NLI DN-2 Series Instruction Manual Download Page 30 | Manualshive

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26

05. CRANK SHAFT AND ARM ROCKER SHAFT

クランクシャフト、上軸関係

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Summary of Contents for DN-2 Series

Page 1: ...NLIF 008 NEWLONG INDUSTRIAL CO LTD NLI 012...

Page 2: ...ual are subject to change without prior notice for improvement and safety purpose A Needle Bar and Needle Thread Take Up are moving at high speed A Hazardous mark is attached to the machine When the m...

Page 3: ...VOLTAGES OTHER THAN SPECIFIED FOR THE MACHINE 5 BE SURE MACHINE IS CONNECTED TO BUILDING ELECTRICAL SAFETY GROUND EARTH 6 BE SURE POWER AND AIR SUPPLY IS OFF BEFORE PERFORMING MACHINE MAINTENANCE PART...

Page 4: ...ing the machine or replacing parts 2 Wear safety glasses 3 Make sure before starting the machine that all covers and shields are in place and closed 4 Do not touch on the machine when it is run 5 Turn...

Page 5: ...7 Diagram of Screw Nut Washer 34 35 Numerical index of Parts 36 37 1 Specifications 2 2 The Points Before Operation 2 3 Threading 3 4 4 5 Adjus ment 5 1 5 1 1 Check of Looper Travel Distance 5 1 2 Che...

Page 6: ...ag PP woven cloth bag PP PE Paper hessian laminated bag Feed Dog 014311 014291 024121 034202 034203 Throat Plate 014241 014221 024091 034192 034193 Presser Foot 012201A 012211A 022081A 032342A 032343A...

Page 7: ...DN 2W DN 2LHS DN 2HS 3 Threading 3...

Page 8: ...o drain oil open Cock C of Fig 1 Replace oil once every 2 000 hours of operation When you have just received a new machine or if machine has been stored for some time sliding parts of machine may be d...

Page 9: ...t position is obtained CAUTION 1 Measure dimension as Looper 1 goes around Needle 5 2 Loosen nut b of Fig 2 and align eccentricity of Eccentric Ball d of Looper Connecting Rod Ass y 3 with line x conn...

Page 10: ...left side edge of Needle 5 is the same as Looper 1 passes Needle in forward and backward movements A A 0 3mm is allowable To adjust loosen screw a of Fig 2 and turn Eccentric Ball c of Looper Bell Cr...

Page 11: ...rank 8 Clearance between Needle and Looper as Looper passes this side of Needle in its backward movement should be 0 05 to 0 5mm Looper Avoid Eccentric Cam 9 is used for adjustment Slant of Looper can...

Page 12: ...o that clearance between Needle and Needle Guide clearance A of Fig 9 is 0 zero mm as Needle goes up Firmly tighten set screw a after adjustment Be sure that Needle Guide will not push Needle Turn pul...

Page 13: ...Adjustment in Longitudinal Direction Adjust Feed Drive Eccentric Cam 17 with its adjust screw a of fig 11 so that feed amount of Feed Dog 12 is 10mm To adjust loosen screw b of Fig 11 of Feed Drive E...

Page 14: ...cing at your end observe following procedures Loosen screw b of Fig 11 of Feed Drive Eccentric Cam 17 and turn adjust screw a counterclockwise to enlarge stitch spacing and clockwise to reduce it Tigh...

Page 15: ...e Holder DN 2W will clear Presser Foot Ass y 21 even when Needle Bar 10 is lowered to its lowest position 3 2 Pressure Adjustment of Presser Foot Ass y Pressure of Presser Foot Ass y 21 is so adjusted...

Page 16: ...he needle bar Two important points must be observed when you install a new needle a The shaved part of the needle must face the leading direction of the machine Fig 13 b Push the needle in the needle...

Page 17: ...oint gets in line with left side edge of Needle in forward and backward movements Fig 16 6 3 Fixing Throat Plate Thread Retainer Fix Thread Retainer at Throat Plate keeping it having 1 1mm clearance f...

Page 18: ...hreading Thread machine correctly 2 Looper thread too tight Reduce tension 3 Improper timing of needle and looper Adjust timing of needle and looper 4 Presser foot screw loosened Tighten the screw No...

Page 19: ...6 15 1 2 3 4 5 6 1 2 3 1 2 3 4 1 2 3 4 5 6 1 2 1 2 3...

Page 20: ...memo...

Page 21: ...the stamp number of its 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 old parts No The parts list is subject...

Page 22: ...01 BUSHING PARTS 18...

Page 23: ...ew for 031091 Crank Shaft Bushing middle Crank Shaft Bushing middle Screw for 031073 041033 Crank Shaft Bushing front Crank Shaft Bushing front Screw for 031063 041043 Arm Rocker Shaft Bushing rear Ar...

Page 24: ...20 02 OILING PARTS...

Page 25: ...251 045071 Dust Cover Rubber Pad Oil Gauge HL VA 01 Oil Filter Cover Oil Filter Screw for 035281 Oil Pipe Cock PF1 8 Washer for 015141 015142 Oil Pan Fixing Screw Oil Pan Fixing Screw Oil Pipe Screw f...

Page 26: ...03 MISCELLANEOUS COVER PARTS 22...

Page 27: ...ew for 035131 Screw for 035131 Screw for 035111A 045051A Cloth Plate Slide Spring Screw for 015091 Stopper Spring Screw Screw Screw Guide Guide Screw for 015111 Gasket Rear Cover Screw for 035222 Gask...

Page 28: ...24 04 THREAD TENSION PARTS...

Page 29: ...t Tension Disc Tension Post Ferrule Tension Nut Tension Spring Nut for 035021A 035021B Needle Thread Controller A Needle Thread Controller A Screw for 035031 045021 Screw for 035031 045021 Washer for...

Page 30: ...26 05 CRANK SHAFT AND ARM ROCKER SHAFT...

Page 31: ...ar Pulley Holder Key for 031151 3 16 Screw Pulley Screw for 031181 Washer for 031181 Screw for 031181 Balance Weight Screw for 031131 Crank Shaft Connecting Rod Ass y Crank Shaft Connecting Rod Ass y...

Page 32: ...28 06 NEEDLE BAR AND PRESSER FOOT PARTS...

Page 33: ...ut Needle DR 2 25 Presser Spring Regulator Nut Presser Spring Guide Presser Spring Presser Bar Connection Presser Bar Connection Screw for 032191 042061 Presser Bar Presser Foot Ass y Presser Foot Ass...

Page 34: ...30 07 LOOPER ROCKER AND CONNECTING PARTS...

Page 35: ...033022A Looper Bell Crank Hinge Pin Screw for 033051 Screw for 033051 Looper Bell Crank Inside Cover Looper Bell Crank Inside Cover Screw for 033061 043031 Looper Connecting Rod Ass y Screw Washer Nut...

Page 36: ...32 08 FEED MECHANISM DRIVING PARTS...

Page 37: ...Rocker Crank Pin Screw for 034041 Feed Rocker Feed Rocker Screw for 034041 Oil Felt Split Pin Feed Rocker Screw Shaft Ass y Nut Washer Feed Bar Shaft Feed Bar Feed Bar Screw for 034061 044041 Feed Lif...

Page 38: ...5 21 035921 21 18 024071 33 36 1 032342A 29 37 035061 25 7 035931 21 21 024091 33 32 1 032343A 29 38 035062 25 19 035941 23 28 024101 33 35 1 032351 29 31 035071 25 5 035952 23 41 024121 33 29 1 03236...

Page 39: ...N40207 27 19 31 5 SCREW 3 16S28014 19 8 9 32N28210 31 18 3 32S56004 33 46 3 16S28017 19 3 3 8N28214 29 12 3 32S56006 21 27 3 16S28018 27 13 1 2N20216 33 18 3 32S56008 23 10 3 16S32004 23 16 1NW1 4 23...

Page 40: ...SCREW NUT WASHER DN 2HS 2W 36...

Page 41: ...SCREW NUT WASHER DN 2HS 2W 37...

Page 42: ...memo...

Page 43: ...memo...

Page 44: ...NEWLONG INDUSTRIAL CO LTD 2007 11 22 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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