JUKI DLN-415 Instruction Book Download | Manualshive

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Summary of Contents for DLN-415

Page 1: ......

Page 2: ... _ __ ___ _ Up to 5 000 s p m Stitch length _ _______ _ O 4mm 5 32 Stitch adjuster _ _ _ _ _ _ Dial system Reverse sewing _ _ _ _ Lever system Needles _ __ _ ___ _ __ DB Xl 16x231 ll 14 16 la Lubricating oil _ ___ __ New Defrix Oil No 1 ...

Page 3: ...g weswre Of the eed lever 9 inserting the neel3e 10 l talling and removing rhe sewing hook 10 Relation txiween the hOOk and the needle 1 Adjusting the height of the presser bar 12 Adjusting the amount of tiw thread takeup 12 DLN 415L INSTRVCTlCN BOOK 13 NOWl Due fO impro ementr 0 the machine some Dam Of rtle operational procedures of this lNSiRUCTlON BOOK might be changed wittlaut notice ...

Page 4: ...nected directly to the power source use a 3 phase 4 0 0 W l 2 HP clutch mata Use a hl type V belt The relation between the number oi rotation oi the machine with the dimenrion of the motor pulley is shown in the table Effective diameter The effective diameter oi the motor pulley rnGk S the diameter a measured from the center of the V belt when the belt is wound around the machine Cycle 50 60 No of...

Page 5: ...l 0 3 up to the mark HIGH 2 Watch and see that the oil level doer not go below the LOW mark 3 Under normal conditions when the ma chine is run after il is filled up with oil the oil will spurt against the oil right window Caution 1 When the oil gets dirty change it with new fresh oil If the oil plug oi the veservob is removed oil will come out 2 When the mathine is to be run for the first time or ...

Page 6: ...e l y a f t e r t h e odiurtment so w h e n ad 1 jurting hove this ii mind 2 The oil adjusting pin I The oil adjusting pin has a carved groove as shown in the figure When this groove and the oii hole oi the main rhait come rogcthpr the oil amount gets more 2 When the groove is at the opposite side of the oil hole the oil amount gets Ierr 3 The red mark on the oil adjuster shows the ride without th...

Page 7: ... wheel m right and place the thread take up to the highest positiart 1 Pass the needle thread in the order shown by the iigure 2 Pair ihe thread to the needle eye lrom lcit to righr 3 Pull out about 70cm 4 of the thread from the needle eye ...

Page 8: ...BOBBIN THREAD H o w t o i n s e r t t h e b o b b i n 1 Hold the bobbin and inert it to the bobbin case 50 that Lhe thread vill be in right hvist condilion 2 Pair the thread to the thread pasring hole oi the bobbin case 6 ...

Page 9: ...ad tenson spring 1 Loosen the screw al the thread tension bracket 2 Rotate the thread tension bar To change the strength oi the thread take up spring 1 Loosen the ret screw remove the thread tenrion bar 2 Loosen the thread tension bar set screw and adjust 3 When the thread tension bar is turned to right the spring will get stronger and ii turned to left it Gil xet weaker Adjusting the bobbin threa...

Page 10: ...t activate the knee lifter once and the presw foot will cmne down to the original position 4 With the knee liiter the prerrer foot nilI go up about Wmm 25 64 Height of the feed dog The height a the feed dog from the surface of the throat plate is set from 0 7 0 8mm In sewing light weight materiali if this height is too high shrink stitching may result To adjust the height of the feed dog 7 Looseri...

Page 11: ...of the feed lever Irrespective oi the length of stitches the pull up spring is somewhat strengthened IO that during high speed sewing if the hand is releawd lrom the feed lever it will positively return to the original position When shorter stitcher are desired or when the rotation of the machine is to be slowed down it ii pasrible to decrease the pushing preriure oi the feed lever 1 When the adju...

Page 12: ...HOOK 10 During the running of the machine if thread hardr get into rhe hook or the position ai the hook changes for borne reason 01 to exchange the hook with a new one do ar follows in order 1 Rotate the hand wheel and bring the needle bar to the highest position 2 Remove the bobbin case and the needle 3 Remove the bobbin case base positioning finger ret screw and take out the bobbin case position...

Page 13: ...hing 4 Tighten the needle bar clamoing ret screw 3 DETER vlINE T H E P O S I T I O N OF THE SEWING HOOK 7 Rotate the hand wheel and match the lower carved line of the needle bar with the lower edge of the needle bar lower bushing 8 In this condition match the blade point of the haok with the center line of the needle 9 Make the clearance between the needle and the hook blade point to 0 05 mm and 1...

Page 14: ...ustment securely tighten the ret 5crew IADJUSTING THE AMOUNT OF THREAD TAKE UP I 3 7 b I The amount of the thread take up should be changed according to the length oi stitcher or thickness af the sewing cloth to produce ideal thread tension 1 When sewing heavy weight materials move the thread guide to your left The thread rake up amount of the take up gets more 2 When sewing light weight materials...

Page 15: ...slippers etc TIMING OF THE NEEDLE WITH THE SEWING HOOK When the needle has risen 1 8mml 5 64 from its lowest dead point the distance between the upper end of the needle eye and the blade point of the scwin hook should he 8mm 7 64 With the exception of above all other specifications xe identical with DLN 415 13 At that point the clcarancc between the needle and the biadc point of the sewing hook sh...

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