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ミシンを縫っていてトラブルが発生しましたら、次の表を参考にして対処してください。 

6. 

ミシンのトラブルの原因と対処

 

15

トラブル内容 

原    因 

対    処 

1.

ルーパーに傷がある。 

ルーパーを交換する。 

2.

上糸調子のテンションが強すぎる。 

テンションを弱くする。 

3.

送リ金が摩耗して縫目が細かくなる。 

送リ金を交換する。 

4.

糸立から針までの間で糸がもつれたり、からまったり
する。 

糸がもつれたり、からまないよう糸通しに注
意する。 

5.

針が正常に取り付けられていない。曲がったり損傷し
ている。 

針の取り付け方が正常かどうか確認する。 
新しい針に交換する。 

6.

上糸調子のテンションが極端に弱すぎる。 

テンションを強くする。 

上糸が切れる 

 

 

1.

下糸のテンションが強すぎたり、極端に緩すぎる。 

糸調子のテンションを調整する。 

2.

ルーパーに傷がある。 

ルーパーを交換する。 

3.

糸立からルーパーまでの間で糸がからまったり、もつ
れたりする。 

糸がもつれたり、からまないよう糸通しに注
意する。 

下糸が切れる 

 

 

1.

糸の通し方がまちがっている。 

正しく糸を通す。 

2.

下糸調子のテンションが強すぎる。 

下糸調子のテンションを弱くする。 

3.

針とルーパーのタイミングが合っていない。 

針とルーパーのタイミングを調整する。 

4.

押エ金の止メネジが緩んでいる。 

押エ金止メネジを締める。 

空縫が出ない 

 

 

1.

針が正常に取り付けられていない。 
針が曲がったり損傷している。 

針の取付け方が正常か確認する。 
新しい針に交換する。 

2.

上糸調節が低くセットしすぎている。 

上糸調節を上げる。 

3.

熱のため糸が針にくっつく。 

糸に油を使用する。 

4.

針棒が高くセットされている。 

針棒を下げる。 

5.

上糸が針ガイドで押さえつけられてループがうまくで
きていない。 

針ガイドを下げる。 
 

6.

下糸が緩すぎてよい三角形をつくらない。 
(かえり目飛び) 

下糸のテンションを強くする。 
 

目飛び 

 

 

1.

針とルーパーのタイミングが悪い。 

針とルーパーのタイミングを調整する。 

2.

針が曲がっている。 

針を交換する。 

針が折れる 
ルーパーが折れる 

 

 

1.

押エ金圧が弱い。 

押エ金圧を強くする。 

2.

針が曲がっている。 

針を交換する。 

3.

送リ金が摩耗している。 

送リ金を交換する。 

縫目幅が不揃い 

縫目が曲がっている 

 

 

 

Содержание DN-2 Series

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 20: ...memo...

Страница 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...

Страница 22: ...01 BUSHING PARTS 18...

Страница 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...

Страница 24: ...20 02 OILING PARTS...

Страница 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...

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

Страница 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...

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

Страница 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...

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

Страница 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...

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

Страница 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...

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

Страница 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...

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

Страница 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...

Страница 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...

Страница 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...

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

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

Страница 42: ...memo...

Страница 43: ...memo...

Страница 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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